INDIA-OPPORTUNITIES | A guide to do business in India

Renewable Energy - Solar

Indian Renewable Development Agency (IREDA) initiatives:

Source: Ministry of New and Renewable Energy and www.ireda.in

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Solar Energy

India is endowed with vast solar energy potential. About 5,000 trillion kWh per year energy is incident over India’s land area with most parts receiving 4-7 kWh per sq. m per day. Hence both technology routes for conversion of solar radiation into heat and electricity, namely, solar thermal and solar photovoltaics, can effectively be harnessed providing huge scalability for solar in India. Solar also provides the ability to generate power on a distributed basis and enables rapid capacity addition with short lead times. Off-grid decentralized and low-temperature applications will be advantageous from a rural electrification perspective and meeting other energy needs for power and heating and cooling in both rural and urban areas.

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Solar Photovoltaic Market Development Programme

Technology

Photovoltaic pumping systems provide a welcome alternative to fuel burning generators or hand pumps. They provide the most water precisely when it is needed the most - when the sun shines the brightest! Solar pumps are simple to install and maintain. The smallest systems can be installed by one person in a couple hours, with no experience or special equipment required. Advantages of using PV-powered pumps include:

  • low maintenance
  • ease of installation
  • reliability
  • scalability

A SPV Water Pumping System consist of a DC / AC surface mounted / submersible / floating motor pump set, electronics if any, interconnect cables, a On-Off switch and a PV array mounted on a suitable structure with a provision of tracking.

Schemes Applicable

The programme is open to all categories of users including individuals, farmers, Non Governmental Organisations, Cooperative Societies, Corporate Bodies, Autonomous Institutions, Research Organisations, Banks, State/Central Government agencies etc subject to condition that the beneficiaries give an undertaking to the implementing agency that they do not own a SPV water pumping system and the present system would be utilized for water lifting applications.

Incentives Available

Accreted Depreciation : 80% on the first year.

Procurement Procedures

The SPV Pumping Systems can be procured from any of the approved manufacturers empanelled with IREDA. List of the approved manufacturers is as follows:

  • M/s. Photon Energy Systems
    1/482, Avanashi Road,
    Neelambur, Coimbatore – 641 014
    Phone: , 2627003
    Fax: 0422 - 2628504
  • M/s. Udhaya Semiconductors Ltd.
    Plot No. 775 – K, Road No. 45,
    Jublee Hills, Hyderabad – 560 033
    Phone: 040 – 23231685, 23231545
    Fax: 040 – 23546152, 23544839
  • M/s. Central Electronics Ltd.
    4, Industrial Area,
    Sahibabad – 201010, Uttar Pradesh
    Phone: 0120 – 2895166, 2895165
    Fax: 0120 – 2895147, 2895148
  • M/s. Surya Jyothi Devices Pvt. Ltd.
    E-3, Lajpat nagar - II
    New Delhi - 110 024
    Ph : 91-11-29814822, 29814129.
    Fax : 91-11-29819444
  • M/s Tata BP Solar India Ltd.
    Plot No. 78, Electronic City
    Hosur Road, Bangalore - 561 229
    Ph : 080-8520082/3, 8520973/4
    Fax : 080-8520972/116
  • M/s Tata BP Solar India Ltd.
    70-73 UGF, World Trade Centre
    Barakhamba Lane, New Delhi - 110 001
    Ph : 011-23411537, 23411538
    Fax : 011-23411539
  • M/s. Rajasthan Electronics & Instruments Ltd.
    2, Kanakpura Industrial Area
    Sirsi Road, Jaipur 302 012 Rajasthan
    Ph: 0141-352271, 354362, 63
    Fax : 0141-351926, 352841, 358808
  • M/s. Titan Consultants & Services Ltd.
    16, Aruna Enclave, Trimulgherry
    Secunderabad - 500 015
    Andhra Pradesh
    Ph : 040-7742085
    Fax: 040-7795629
  • M/s Premier Solar Systems (P) Ltd.
    41 S V Co-op Indl. Estate,
    Balanagar, Hyderabad - 500 037
    Ph: 040 – 23777521, 23777522
    Fax : 040 – 3771879
  • M/s. Bharat Heavy Electricals Ltd.
    P. B. No. 2626, Mysore Road,
    Bangalore – 560 026
    Ph: 080 – 6744283
    Fax: 080 - 6740137

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Standard Format

Loan application
Click Here To Download Application For Loan Assistance For Users Of Solar Thermal Systems (Right Click - Save Target As)
Click Here To Download Loan Application Form For Solar Thermal Intermediary Scheme (Right Click - Save Target As)

Documents required for the for availing disbursement
Click Here To Download Solar Thermal Direct User Scheme (Right Click - Save Target As)
Click Here To Download Solar Thermal Intermediary Scheme (Right Click - Save Target As)

List Of Officers In The Sector

Sh. R K Vimal
Asstt. General Manager (TS)
E mail : r.k.vimal@ireda.in

Sh. Rajesh Kujur
Deputy Manager (TS)
E mail : r.kujur@iredaltd.com

Frequently Asked Questions

Q1. What is a Solar Photovoltaic (SPV) System?
Ans. A SPV system consists of a Photovoltaic Array mounted on a Stand, Batteries, CCU, and other required equipments depending upon the size and requirement of power and current.

Q2. How does it work?
Ans. The Photovoltaic Array converts the solar energy into electricity, which is used for running the electrical equipments. The electricity produced either stored in the Battery bank or directly used for running the electrical equipment.

Q3. What does it save you?
Ans.

  • It operates on the freely available solar energy. Thus saves expenditure on diesel & electricity.
  • No fear of power cuts or scarcity of diesel.
  • It is trouble free, pollution free, has a long life and is reliable.
  • Unlike a diesel pump set, it does not produce noise.
  • It is easy to handle and operate.
  • The cost of operation and maintenance is negligible.

Q4. What is the Technology used in SPV Systems?
Ans. Solar cell is a primary device for Solar Photovoltaic systems since it converts solar radiation into electricity. Solar PV cells are made by fine sheets of silicon wafers, cutted in the required shape. The technology is mainly based on Monocrystalline silicon or polycrystalline technology. Number of such SPV cells are coupled in series and (or) parallel connection to design a SPV Module of required Power. These modules can be further coupled to form SPV array, to get desired power output to run the electrical appliances such as solar home systems, street lighting systems, small capacity SPV power plants, solar generators, building integrated photovoltaic (BIPV) systems and solar lanterns.
The Photovoltaic Array converts the solar energy into electricity, which is used for running any electrical appliances or can stored in a battery.
The system components of SPV Water Pumping System are:

  • PV Array
  • Battery Bank
  • Interface Electronics
  • Connecting Cables & Switches
  • Support Structure & Tracking System
  • Charge Controller Unit.
  • Electrical loads, such as, fans, lights, TV, etc.

Q5. Who are eligible to own a Solar Photovoltaic System under the Scheme?
Ans. An individual, non-governmental organization, cooperative society, corporate body, institution and Govt. Dept. etc.

Q6. What are the various SPV Systems eligible under the MNES Programme?
Ans.

  • Solar Lantern.
  • Solar Home System.
  • Street Lighting System.
  • Small Capacity SPV Power plants.
  • Solar Generators.
  • Building integrated Photovoltaic (BIPV) Systems.

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Q7. What are the financing norms under interest subsidy schemes?
Ans.

S.NO Feature Implementation through IREDA
1 Eligible categories of beneficiaries All categories of users including intermediaries and commercial organizations
2 Rate of Interest 7% (commercial borrowers who can claim depreciation benefits)

5% (individuals and other organizations)

Financial intermediaries who borrow funds from IREDA for on – lending at 5% or 7% rate of interest will be charged an interest rate of 2.5% or 4.5% respectively by IREDA. Such intermediaries will not be able to claim depreciation benefit and the on-lending arrangement will not be treated as a lease arrangement.
3 Loan period 3 Yrs
4 Moratorium 1 Year
5 Amount of loan 80% of the cost of the project
6 Upper Limits for a loan No Limit
7 Service Charges 1% of the loan disbursed
8 System Covered All types of SPV Systems except solar pumps. Loans will not be provided at subsidized rates for systems that are available with capital subsidy. With the exception of solar generators for which both subsidies and soft loans will be available.
9 Eligible Suppliers Only those SPV systems and power plants, which confirm to the MNES specifications & guidelines for 2001 – 02 or 2002 – 03 programmes and have obtained test certificates form SEC / Other Authorized Test Centers will be eligible for supply and other benefits under this scheme .

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Q8. What are the eligible models under interest subsidy scheme?
Ans. For Solar Lantern.

S.NO Models Lamp Battery Capacity At C/20 Rate PV Module Rating
1 MODAL I-A CFL 5W 12V, 7AH 8 to 9.9 Wp
2 MODAL I-B CFL 5W 12V, 7AH 10 to 11.9 Wp
3 MODAL II-A CFL 7W 12V, 7AH 10 to 11.9 Wp
4 MODAL II-B CFL 7W 12V, 7AH 12 to 14 Wp
5 MODAL III-A CFL 5W 6V, 14AH 8 to 9.9 Wp
6 MODAL III-B CFL 5W 6V, 14AH 10 to 11.9 Wp
7 MODAL IV-A CFL 7W 6V, 7AH 10 to 11.9 Wp
8 MODAL IV-B CFL 7W 6V, 7AH 12 to 14 Wp

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For Solar Home Systems:

MODEL Component Specifications Average Hours of Operation/ Day
1 PV Module 1x18 Wp under STC 1 Light, 3 – 4 Hrs.
Lamp 1xCFL (9W/11W)
Battery 1x12V, 20AH. Tubular Plate.
Others Components Control electronics. Module mounting hardware. Battery box. Inter connecting wires. Swiches. Operation, instruction and maintenance manual.
2 PV Module 1x37 Wp under STC 2 Lights, 3 – 4 Hrs.
Lamp 2xCFL (9W/11W)
Battery 1x12V, 40AH. Tubular Plate.
Others Components Control electronics. Module mounting hardware. Battery box. Inter connecting wires. Swiches. Operation, instruction and maintenance manual.
3 PV Module 1x37 Wp under STC 1 Light - 1 – 2 Hrs., 1 Fan – 1-2 Hrs.
Lamp 1xCFL (9W/11W)
Fan 1xDC Fan (with wattage less than 20W)
Battery 1x12V, 40AH. Tubular Plate.
Others Components Control electronics. Module mounting hardware. Battery box. Inter connecting wires. Swiches. Operation, instruction and maintenance manual.
4 PV Module 2x37 Wp or 1x74 Wp under STC 2 Light - 2 – 3 Hrs., 1 Fan – 2-3 Hrs.
Lamp 2xCFL (9W/11W)
Fan 1xDC Fan (with wattage less than 20W)
Battery 1x12V, 75AH. Tubular Plate.
Others Components Control electronics. Module mounting hardware. Battery box. Inter connecting wires. Swiches. Operation, instruction and maintenance manual.
5 PV Module 2x37 Wp or 1x74 Wp under STC 4 Lights – 3-4 Hrs.
Lamp 4xCFL (9W/11W)
Battery 1x12V, 75AH. Tubular Plate.
Others Components Control electronics. Module mounting hardware. Battery box. Inter connecting wires. Switches. Operation, instruction and maintenance manual.

Notes

  • All models will have a socket to provide power for 12V DC TV set, which is purchased separately.
  • Small white LED may be provided as an optional feature, with an independent switch.

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For Street Lighting Systems:

MODEL Component Specifications
1 Duty Cycle System should be designed to automatically switch ON at dusk, operate throughout night and automatically switch OFF at down.
PV Module 1x75 Wp or 2x37 Wp. Vop 16.4 V, Voc 21 V.
Lamp 11 W CFL, either 4 – Pin or 2 – Pin Type with light output of 900 +/- 5% lumens.
Battery 12V, 75AH. Tubular Plate.
Others Components Control electronics. Module mounting hardware. Battery box. Inter connecting wires. Swiches. Operation, instruction and maintenance manual.

For Solar Generators:

Model PV Capacity Estimated Cost
Model – I 150 Wp Rs. 45,000/-
Model – II 300 Wp Rs. 90,000/-
Model – III 450 Wp Rs. 1,35,000/-
Model – IV 600 Wp Rs. 1,80,000/-

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Notes

  • Subsidy of 40% with an upper limit of Rs. 40,000/- will be provided on eachgenerator.
  • User will also be eligible for loans on the balance cost of the solar generators.
  • Subsidy will be released directly by MNES to the Manufactures.
  • Subsidy will be released directly by MNES to the Manufactures.

Q9. What is the pattern of central financial assistance?

SPV Systems Central Subsidy Service Charge(Rs)
a) Solar Home Systems 50% of ex. Works Cost. Subject to maximum of North-eastern  Region 90% of ex. Works subject to a Max. of  
  18W Module, 1 light ¨    (1x18Wp PV module under STC, ¨    1x CFL ( 9w/11w), ¨    Battery: 1x12V , 20AH Tubular Plate Low        maintenance type lead  Acid Battery ¨    Control electronics, module mounting        Hardware, battery box, inter-connecting        Wires/cables, switches,        operation,instruction  And maintenance        manual) 3000 5000 200
  37W module , 2 lights ¨    1x37Wp PV module under STC, ¨    2x CFL ( 9w/11w), ¨    Battery: 1x12V ,40AHTubular Plate Low        maintenance type lead Acid Battery ¨   Control electronics,module mounting        hardware,battery box,inter-connecting        Wires/cables, switches,operation,        instruction  And maintenance manual)   5500 10000 200
  37 W module, 1 light, 1 fan ¨    (1x37Wp PV module under STC, ¨    1x CFL ( 9w/11w), ¨    1Xdc fan (with wattage less than 20 W) ¨    Battery: 1x12V ,40AH Tubular Plate Low       maintenance type lead Acid Battery ¨    Control electronics, module mounting       hardware, battery box, inter-connecting       Wires/cables, switches, operation       instruction  And maintenance manual) 5500 10000 200
  74W Module, 2 lights, 1 fan ¨    (2x37Wp PV module under STC, ¨    2x CFL ( 9w/11w), ¨    1Xdc fan (with wattage less than20 W) ¨    Battery: 1x12V,75 AH Tubular Plate Low       maintenance type lead Acid Battery ¨    Control electronics, module mounting       hardware, battery box, inter-connecting       Wires/cables, switches, operation,       instruction  And maintenance manual) 10000 18000 200
  74W Module, 4 lights ¨  (2x37Wp PV module under STC, ¨  4x CFL ( 9w/11w), ¨  Battery: 1x12V,75 AH Tubular Plate Low      maintenance type lead Acid Battery ¨   Control electronics, module mounting      Hardware, battery box, inter-connecting      Wires/cables, switches, operation,      instruction  And maintenance manual) 10000 18000 200
b) Street Lighting System 11000 20000 -Nil-
c) Power plants & other community systems 1,80,000/KWp of PV array capacity 3,50,000/KWp of PV array Cap. 10,000/- (power plants
d) Solar Generators 40% withan upper limit of Rs.40.000/ per generator    
  150 Wp PV Cap. 18000 Approx.    
  300 Wp PV Cap 36000 Approx.    
  450 Wp PV Cap 40000 Approx.    
  600 Wp PV Cap 40000 Approx.    

Q10. What is the eligible catagories of beneficiaries?
Ans.

SPV Systems   Eligible Categories of Beneficiaries
 Solar Home Systems   All Categories of individual beneficiaries & non profit Institutions /   Organizations. No individual would be given more than one system.
 Street Lighting Systems   All categories of non – commercial institutions / organizations, State Nodal   Agency, Electricity Boards, Panchayats, Zilla Parishads and DRDA’s.
 SPV Power Plants  / Others  Systems   All categories of non – commercial institutions / organizations, State Nodal    Agency, Electricity Boards, Panchayats, Zilla Parishads and DRDA’s.

Q11. Is there any loan available?
Ans. Yes, soft loans are available at an interest rate of 5% (individuals and other organizations) per annum and 7% (commercial borrowers who can claim depreciation benefits) and also Financial intermediaries who borrow funds from IREDA for on – lending at 5% or 7% rate of interest will be charged an interest rate of 2.5% or 4.5% respectively by IREDA. Such intermediaries will not be able to claim depreciation benefit and the on-lending arrangement will not be treated as a lease arrangement, through Indian Renewable Energy Development Agency Limited (IREDA). The minimum amount of soft loan will be Rs. 5 Lakhs for Direct User and Rs. 10 Lakhs for Intermediaries. The principal with the interest is repayable in 6 years (including one year moratorium) starting at the end of first year of sanction of the loan.

Q12. What is the performance guarantee for the system?
Ans. The manufacturers must provide a warranty for a minimum period of 2 years for the complete SPV system (including the battery) and a minimum 10 years for PV modules from the date of supply. Annual maintenance Contract (AMC) for the SPV Systems should be for a period of 5 years including the warranty period.

Q13. What is the minimum loan eligibilty from ireda?
Ans. Minimum loan for a project should be of Rs. Rs. 5 Lakhs for Direct User and Rs. 10 Lakhs for Intermediaries.

Q14. Who are the manufacturers and suppliers of spv water pumping systems?
Ans.

  • M/s. Photon Energy Systems
    1/482, Avanashi Road,
    Neelambur, Coimbatore – 641 014
    Phone: , 2627003
    Fax: 0422 - 2628504
  • M/s. Udhaya Semiconductors Ltd.
    Plot No. 775 – K, Road No. 45,
    Jublee Hills, Hyderabad – 560 033
    Phone: 040 – 23231685, 23231545
    Fax: 040 – 23546152, 23544839
  • M/s. Central Electronics Ltd.
    4, Industrial Area,
    Sahibabad – 201010, Uttar Pradesh
    Phone: 0120 – 2895166, 2895165
    Fax: 0120 – 2895147, 2895148
  • M/s. Surya Jyothi Devices Pvt. Ltd.
    E-3, Lajpat nagar - II
    New Delhi - 110 024
    Ph : 91-11-29814822, 29814129.
    Fax : 91-11-29819444
  • M/s Tata BP Solar India Ltd.
    Plot No. 78, Electronic City
    Hosur Road, Bangalore - 561 229
    Ph : 080-8520082/3, 8520973/4
    Fax : 080-8520972/116
    and
    M/s Tata BP Solar India Ltd.
    70-73 UGF, World Trade Centre
    Barakhamba Lane, New Delhi - 110 001
    Ph : 011-23411537, 23411538
    Fax : 011-23411539
  • M/s. Rajasthan Electronics & Instruments Ltd.
    2, Kanakpura Industrial Area
    Sirsi Road, Jaipur 302 012 Rajasthan
    Ph: 0141-352271, 354362, 63
    Fax : 0141-351926, 352841, 358808
  • M/s. Titan Consultants & Services Ltd.
    16, Aruna Enclave, Trimulgherry
    Secunderabad - 500 015
    Andhra Pradesh
    Ph : 040-7742085
    Fax: 040-7795629
  • M/s Premier Solar Systems (P) Ltd.
    41 S V Co-op Indl. Estate,
    Balanagar, Hyderabad - 500 037
    Ph: 040 – 23777521, 23777522
    Fax : 040 – 3771879
  • M/s. Bharat Heavy Electricals Ltd.
    P. B. No. 2626, Mysore Road,
    Bangalore – 560 026
    Ph: 080 – 6744283
    Fax: 080 - 6740137

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Solar Thermal Programme

Technology

Solar Water Heating System consists of solar collector, insulated hot water storage tank, insulated pipings, control and instrumentation etc. Solar Energy incident on the absorber panel coated with selected coating transfers the heat to the water flowing in the riser pipe underneath the absorber fins. The water passing through the raiser is then delivered to the insulated storage tank and the same water is re-circulated through the collector throughout the day till the maximum temperature is achieved.

Solar water heating system can be classified in 2 types based on the collector system.
a) Solar water heaters based on Flat Plate Collectors
b) Solar water heaters based on Evacuated Tube Collectors

Flat Plate Collectors:
In this type, solar radiation is absorbed by flat plate collectors which consists of an insulated outer metallic box covered on the top with glass sheet. Inside, there are blackened metallic absorber (selectively coated) sheets with built in riser tubes to carry water. The absorber absorbs the solar radiation and transfers the heat to the flowing water.

Evacuated Tube Collectors:
In this type, solar collector is made of double layer borosilicate glass tubes evacuated for providing insulation. The outer wall of the inner tube is coated with selective absorbing material. This helps absorption of solar radiation and transfers the heat to the water through the inner tube.

Solar water heating system can be classified in 2 types based on the circulation of water.
a) Thermosyphon system
b) Forced Flow or Forced Circulation System

Thermosyphon system:
In the thermosyphon system, water comes from the over head tank to bottom of solar collector by natural circulation and water circulates from the collector to storage tank as long as the absorber keeps absorbing heat from the sun and water gets heated in the collector. The cold water at the bottom of the storage tank runs into the collector and replaces the hot water, which is then forced inside the insulated hot water storage tank. The process of the circulation stops when there is no solar radiation on the collector. Thermosyphon system is simple and requires less maintenance due to absence of controls and instrumentation.

Forced Circulation System:
In the forced flow system, a pump is used for circulating water between the collectors and the insulated hot water storage tank. The forced flow systems are more efficient as compared to thermosyphon systems due to higher flow rate. Generally, the pumps are operated by differential temperature control (DTC) system, which senses the pre-setting temperature difference between inlet and outlet of the collectors.

Solar water heating systems are also further classified as
a) Direct System (Open Loop System)
b) Indirect System (Closed Loop System)

Open Loop System:
The Direct System is the one where the water circulates through the entire system i.e. collector to storage tank and the same hot water is used for various applications. These type of systems are generally not suitable for hard water due to the scaling problems in the risers and the headers of the collector.

Closed Loop System:
In the Indirect System, the thermic fluid is circulated between the collector and the insulated storage tank with the heat exchanger. The heat from the thermic fluid is then transferred to the water through heat exchanger in the storage tank. In this system, the thermic fluids are not in physical contact with the water in the storage tank. These systems are generally suitable for hard water.

Solar water heating systems can also be used for both domestic and commercial applications.

Domestic Application:
The Domestic solar water heating systems can substitute or supplement electrical geysers in bathrooms and kitchens for bathing and washing purposes. The solar water heating system is modular in nature and the capacity of the system can be designed as per the consumer’s requirement of hot water. Generally, a family of 4 members consumes on an average 100 litre of hot water a day at 60 degree Celsius. Hot water of 100 litre capacity at 60 degree Celsius approximate can be delivered by a single collector system of 2 sq.mtr. area. The solar water heating systems are generally provided with auxiliary backup in the insulated hot storage tank for the rainy and heavily overcast cloudy days.

Commercial Application:
The Commercial applications of solar water heating systems includes hotel industries, dairy industries, educational institutions, hospitals etc. for catering hot water for bathing and washing purposes. Generally, conventional electrical geysers / furnace oil / coal fired boilers / wood based boilers are the main sources of supply of hot water in these segments of industries. The solar water heating systems are also used in the process industries where the boiler supplies low pressure steam. Solar water heating systems are generally used as an excellent energy conservation and energy efficiency equipment by supplying hot water at 80 degree Celsius to boiler at pre-heater stage.

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Schemes Applicable

IREDA is providing soft loan under two different categories. One is Direct user scheme and other is Intermediary Scheme

  • Direct User Scheme
    The End user / customer who wish to install larger capacity solar water heating system can approach directly IREDA to avail IREDA soft loan facility. Minimum loan amount eligible for sanction under this catagory is is Rs.5.00 lakhs.
  • Intermediary Scheme
    Any Financial Institutions, Banks, Solar Thermal Manufacturers, Corporate Bodies, NBFCs, State Nodal Agencies, reputed NGOs can become intermediary of IREDA for on-lending soft loan to different end users for different kind of application. Minimum loan eligible for sanction under this category is Rs.10.00 lakhs.

Incentives Available

Interest Subsidy is available to the end users for both domestic and commercial application.

Depreciation : 80% on the first year.

For all other details, please refer MNES web site at www.mnes.nic.in on Solar Thermal Programme.

Procurement Procedures

Solar Water Heating System based on Flat Plate collectors with ISI marked / BIS approved Solar Collectors are eligible for IREDA soft Loan. Systems supplied by the following are eligible for IREDA Financing

  • Manufacturers of BIS certified solar collectors
  • Business Associates / authorized dealers of such manufacturers, on production of proper MOU executed between them.
  • Solar Water Heating System based on Evacuated Tube Collectors must utilise ETC Collectors supplied by MNES approved suppliers

Standard Format

Loan application
Click Here To Download Application For Loan Assistance For Users Of Solar Thermal Systems (Right Click - Save Target As)
Click Here To Download Loan Application Form For Solar Thermal Intermediary Scheme (Right Click - Save Target As)

Documents required for the for availing disbursement
Click Here To Download Solar Thermal Direct User Scheme (Right Click - Save Target As)
Click Here To Download Solar Thermal Intermediary Scheme (Right Click - Save Target As)

List Of Officers In The Sector

Sh. R K Vimal
Asstt. General Manager (TS)
E mail : r.k.vimal@ireda.in

Sh. Rajesh Kujur
Deputy Manager (TS)E mail : r.kujur@iredaltd.com

Frequently Asked Questions

Q1. WHAT IS SOLAR THERMAL WATER HEATING SYSTEM?
Ans. Solar Water Heating System is one of the widely used solar system by which we get hot water with the help of solar radiation for domestic, industrial application etc. Solar Water Heating System which converts Solar Energy into Thermal Energy and can replace any type of conventional heating system / fuel for thermal application like water heating, air heating etc.

Q2. HOW DOES IT WORK?
Ans. Solar Water Heating System consists of solar collector, insulated hot water storage tank, insulated pipings, control and instrumentation etc. Solar Energy incident on the absorber panel coated with selected coating transfers the heat to the water flowing in the riser pipe underneath the absorber fins. The water passing through the raiser is then delivered to the insulated storage tank and the same water is re-circulated through the collector throughout the day till the maximum temperature is achieved

Q3. WHAT DOES IT SAVE YOU?
Ans.
* Solar Water Heating System (SWHS) operates on solar radiation which is freely available thorough out the year. This saves expenditure on conventional fuel like coal, firewood, diesel, electricity etc.
* Solar Water Heating System (SWHS) is absolutely maintenance free system which can save time and money.
* SWHS is a pollution free system which can save the environment of GHG emissions.

Q4. WHERE WE CAN USE SOLAR WATER HEATING SYSTEM?
Ans. Hotel industries, Educational Institutions, Hostels, Hospitals, Dairy Industries, Canteens, Boiler pre-heating application etc. Wherever we need hot water for any application like bathing, vessels cleaning, drinking, cooking etc we can use this system without any fuel cost.
The solar water heating systems are also used in the process industries where the boiler supplies low pressure steam. Solar water heating systems are generally used as an excellent energy conservation and energy efficiency equipment by supplying hot water at 80 deg.c. to boiler at pre-heater stage.

Q5. WHAT IS THE CAPACITY OF SOLAR WATER HEATING SYSTEM AVAILABLE IN THE MARKET?
Ans. It is available from minimum 100 LPD (Litre per day) Capacity for both domestic and commercial application. It can deliver hot water at 60 Deg. C for domestic application and 80 Deg. C for commercial application.
It is available in the multiples of 100 litres in the market. For 100 LPD (Litre per day) Capacity Solar Water Heating System, we need 1 no. of Solar Collector of 2 sq. mtr area. It requires 4 sq. mtr shadow free area for installation on the roof.

Q6. WHAT ARE THE DIFFERENT TYPE OF SOLAR WATER HEATING SYSTEM AVAILABLE?
Ans. Solar water heating system can be classified in 2 types based on the collector system.
a) Solar water heaters based on Flat plate Collectors.
b) Solar water heaters based on Evacuated Tube Collectors.

Flat plate Collectors:
In this type, solar radiation is absorbed by flat plate collectors which consists of an insulated outer metallic box covered on the top with glass sheet. Inside there are blackened metallic absorber (selectively coated) sheets with built in riser tubes to carry water. The absorber absorbs the solar radiation and transfers the heat to the flowing water.

Evacuated Tube Collectors:
In this type, solar collector is made of double layer borosilicate glass tubes evacuated for providing insulation. The outer wall of the inner tube is coated with selective absorbing material. This helps absorption of solar radiation and transfers the heat to the water which flows through the inner tube.
Solar water heating system also classified in 2 types based on the circulation of water.
a) Thermosyphon system.
b) Forced flow or forced circulation system.

Thermosyphon system:
In the thermosyphon system, water comes from the over head tank to bottom of solar collector by natural circulation and water circulates from the collector to storage tank as long as the absorber keeps absorbing heat from the sun and water gets heated in the collector. The cold water at the bottom of storage tank run into the collector and replaces the hot water, which is then forced inside the insulated hot water storage tank. The process of the circulation stops when there is no solar radiation on the collector. Thermosyphon system is simple and requires less maintenance due to absence of controls and instrumentation.

Forced circulation system:
In the forced flow system, a pump is used for circulating water between the collectors and the insulated hot water storage tank. The forced flow systems are more efficient as compared to thermosyphon systems due to higher flow rate. Generally, the pumps are operated by differential temperature control (DTC) system, which senses the pre-setting temperature difference between inlet and outlet of the collectors.
Solar water heating systems are also further classified as Direct System (Open Loop System) and Indirect System (Closed Loop System).

Open Loop System:
The Direct System is the one where the water circulates through the entire system i.e. collector to storage tank and the same hot water is used for various applications. These type of systems are generally not suitable for hard water due to the scaling problems in the risers and headers of the collector.

Closed Loop System:
In the Indirect System, the thermic fluid is circulated between the collector and the insulated storage tank with heat exchanger. The heat from the thermic fluid is then transfer to the water through heat exchanger in the storage tank. In this system, the thermic fluids are not in physical contact with the water in storage tank. These systems are generally suitable for hard water.

Q7. IS THERE ANY SOFT LOAN / SUBSIDY AVAILABLE?
Ans. Yes, soft loan is available from Indian Renewable Energy Development Agency Limited (IREDA), New Delhi under MNES Interest Subsidy Scheme. Loan can be extended for both domestic and commercial application for any capacity of Solar water heating system. The principal with the interest is repayable in 6 years (including one year moratorium period).
Ministry of Non Conventional Energy Sources (MNES) is providing Interest Subsidy to promote the solar water heating systems through IREDA and few Nationalized Banks so that end users/ customers can take soft loan at lesser interest rate.
Apart from the above, few states are providing additional subsidy to promote the solar water heating concept and made mandatory for certain buildings, government buildings etc. to use solar water heating systems.

Q8. WHAT IS THE MINIMUM LOAN ELIGIBILTY FROM IREDA?
Ans. IREDA is providing soft loan under two different categories. One is Direct User scheme and other is Intermediary scheme.
Direct User scheme: The end user/ customer who wish to install larger capacity solar water heating system can approach directly IREDA to avail IREDA soft loan facility. Minimum loan amount eligible for sanction under this category is Rs.5.00 lakhs.
Intermediary scheme: Any Financial Institutions, Banks, Solar Thermal Manufacturers, Corporate Bodies, NBFCs, State Nodel Agencies, Reputed NGOs can become intermediary of IREDA for on-lending soft loan to different end users for different kind of application. Minimum loan amount eligible for sanction under this category is Rs.10.00 lakhs.

Q9. WHAT IS THE PERFORMANCE GUARANTEE FOR SOLAR WATER HEATING SYSTEM?
Ans. Under IREDA soft loan/ MNES Interest Subsidy scheme, Solar Thermal manufacturers are required to provide 5 years warrantee/ guarantee for complete solar water heating systems. Few manufacturers are providing 10 years guarantee for Solar Collectors.

Q10. What is the interest rate applicable for the sector?
Ans. Please refer enclosed Annexure – I for the detailed interest rate applicable for the different category of customers under Solar Thermal sector.

Q11. WHO ARE THE MANUFACTURERS AND SUPPLIERS OF SOLAR WATER HEATING SYSTEMS?
Ans. Please refer IREDA’s Brochure No. 3 or enclosed Annexure – II for the BIS approved manufacturers list under Solar Thermal sector.

Tecnología

El Sistema de Calentamiento Solar del Agua consiste en colector solar, depósito estanco de agua caliente, tuberías aisladas, control e instrumentación, etc. La incidencia de energía solar en el panel de absorción recubierto con recubrimiento selecto transfiere el calor al agua que fluye en la tubería de elevación situada bajo las aletas de absorción. El agua que pasa por el inversor, a continuación, se envía al depósito estanco, y la misma agua re-circula a través del colector durante todo el día hasta que se alcanza la temperatura máxima.

El sistema de calentamiento solar del agua puede clasificarse en 2 tipos en función del sistema del colector.
a) Calentadores solares de agua basados en placas solares
b) Calentadores solares de agua basados en Colectores de Tubo de Evacuación

Placas solares:
En este tipo, la radiación solar es absorbida por places solares que consisten en una caja metálica de exterior aislada y cubierta por arriba con una hoja de cristal. Dentro se encuentran hojas de absorción de metal ennegrecido (recubiertas de modo selectivo) con tuberías de elevación para llevar el agua. Las hojas de absorción reciben la radiación solar y transfieren el calor al agua que fluye.

Colectores de Tubos de Evacuación:
En este tipo, En este tipo, el colector solar está hecho de tubos de vidrio de borosilicato de doble capa evacuados para proporcionar aislamiento. La pared exterior del tubo interior está recubierta con material absorbente selectiva. Esto ayuda a la absorción de la radiación solar y transfiere el calor al agua a través del tubo interior.

El sistema de calentamiento solar del agua puede clasificarse en 2 tipos en función de la circulación del agua.
a) Sistema de Termosifón
b) Flujo forzado o el sistema de circulación forzada

Sistema de Termosifón:
En el sistema de Termosifón, el agua va de la cabeza del depósito a la parte inferior del colector solar por circulación natural y circula desde el colector hasta el depósito siempre que el absorbedor siga absorbiendo el calor del sol y el agua se caliente en el colector. El agua fría de la parte inferior del depósito va al colector y reemplaza el agua caliente, que, a continuación, se ve obligada a pasar dentro del depósito estanco de agua caliente. El proceso de circulación se detiene cuando no hay ninguna radiación solar en el colector. El sistema de Termosifón es simple y requiere poco mantenimiento debido a la ausencia de controles y de instrumentación.

Sistema de Circulación Forzada:
En el sistema de flujo forzado, se utiliza una bomba para hacer circular el agua entre los colectores y el depósito estanco de agua caliente. Los sistemas de flujo forzado son más eficientes, en comparación con los sistemas de termosifón debido a la mayor tasa de flujo. Por lo general, las bombas son operadas por un sistema de control de temperatura diferencial (DTC), que detecta la diferencia de temperatura pre-establecida entre la entrada y salida de los colectores.

Los sistemas de calentamiento solar de agua también se clasifican como
a) Sistema Directo (Sistema de Bucle Abierto)
b) Sistema Indirecto (Sistema de Bucle Cerrado)

Sistema de Bucle Abierto:
El sistema Directo es donde el agua circula a través de todo el sistema, es decir, desde el colector hasta el depósito y se utiliza la misma agua caliente para diversas aplicaciones. Generalmente, este tipo de sistemas no son adecuados para agua dura debido a los problemas de escalado en los elevadores y los cabezales del colector.

Sistema de Bucle Cerrado:
En el Sistema Indirecto, se distribuye el fluido térmico entre el colector y el depósito estanco con el intercambiador de calor. El calor del fluido térmico, a continuación, se transfiere al agua a través del intercambiador de calor en el depósito. En este sistema, los fluidos térmicos no están en contacto físico con el agua en el depósito. Estos sistemas son generalmente adecuados para agua dura.

Los Sistemas de calentamiento solar del agua pueden utilizarse tanto para aplicaciones domésticas y como comerciales.

Usos Domésticos:
Los Sistemas de calentamiento solar del agua pueden sustituir o complementar los géiseres eléctricos en baños y cocinas con fines de baño y lavado. El sistema de calentamiento solar de agua es modular por naturaleza y la capacidad del sistema puede ser diseñada según la exigencia de agua caliente del consumidor. Por lo general, una familia de 4 miembros consume un promedio de 100 litros de agua caliente al día a 60 grados Celsius. 100 litros de Agua a 60 grados Celsius aproximadamente pueden ser calentados por un sistema colector único de 2 metros cuadrados de área. Los sistemas de calentamiento solar de agua están generalmente provistos de una reserva auxiliar en el depósito estanco los días nublados y de lluvia.

Aplicaciones Comerciales:
Las aplicaciones comerciales de los sistemas de calentamiento solar de agua abarcan la industrias hotelera, industria de la leche, instituciones educativas, hospitales, etc. para uso de agua caliente para baño y lavado. Por lo general, los géiseres eléctricos convencionales, los hornos de aceite, las calderas de carbón y las calderas de leña son las principales fuentes de suministro de agua caliente en estos segmentos de industriales. Los sistemas de calentamiento solar del agua también se utilizan en las industrias de proceso donde la caldera suministra vapor de baja presión. Los sistemas de calentamiento solar de agua generalmente se utilizan como excelentes equipos de eficiencia y conservación energética para el suministro de agua caliente a 80 grados Celsius en la fase anterior a la caldera.

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Regímenes Aplicables

IREDA está proporcionando préstamos blandos en dos categorías diferentes. Uno es el régimen de usuario Directo y otro es el Régimen de Intermediario

  • Régimen de Usuario Directo
    El usuario final ó cliente que desee instalar un sistema de calentamiento solar de agua con mayor capacidad puede acudir directamente a IREDA para acogerse al servicio de préstamos blandos de IREDA. La cantidad mínima para aprobación como préstamo en esta categoría es de Rs. 500.000.
  • Régimen de Intermediario
    Cualquier Instituciones Financiera, Banco, Fabricante Solar Térmal, Cuerpos Corporativos, NBFCs, Agencias Estatales Nodales o reputadas ONGs pueden convertirse en intermediarios de IREDA para los préstamos blandos a diferentes usuarios finales para diferentes tipos de aplicación. La cantidad mínima para aprobación como préstamo en esta categoría es de Rs. 1.000.000.

Incentivos Disponibles

Están disponibles subvenciones de interés para usuarios finales para aplicaciones domésticas y comerciales.

Depreciación : 80% en el primer año.

Para otros detalles, por favor dirigirse a la web de MNES sobre Programa Termal Solar en www.mnes.nic.in.

Procedimientos de Contratación

Los Sistemas de Calentamiento Solar del Agua basados en colectores de Paneles Solares con el marcado ISI y Colectores Solares con aprobación BIS pueden recibir préstamos blandos de IREDA. Son elegibles para la Financiación IREDA los sistemas suministrados por los siguientes

  • Fabricantes de Colectores solares con certificación BIS
  • Socios de negocio o distribuidores autorizados de tales fabricantes, a condición de que exista el apropiado MOU entre ellos.
  • El Sistema de Calentamiento Solar del Agua basado en Colectores de Tubos de Evacuación tiene que utilizar Colectores ETC suministrados por proveedores aprobados por MNES

Formato Estándard

Standard Format

Solicitud de préstamo
Hacer Click Aquí Para Descargar La Solicitud De Asistencia De Prestamo Para Usuarios De Sistemas Solares (Right Click - Save Target As)
Hacer Click Aquí Para Descargar La Solicitud de Prestamo Para El Regimen DE Intermediario Solar Termal (Click en Botón derecho - Guardar enlace como)

Documentos necesarios para el desembolso acogido
Hacer Click Aqui Para Descargar El Regimen De Usuario Directo Solar Termal (Right Click - Save Target As)
Hacer Click Aqui Para Descargar El Regimen De Intermediario Solar Termal (Click en Botón derecho - Guardar enlace como)

Listado de Oficiales en el Sector

Sh. R K Vimal
Asistente al Director General (TS)
E mail : r.k.vimal@ireda.in

Sh. Rajesh Kujur
Vicegerente (TS)E mail : r.kujur@iredaltd.com

Preguntas más Frecuentes

Q1. QUÉ ES EL SISTEMA DE CALENTAMIENTO SOLAR TERMAL DEL AGUA?
Resp. El Sistema de calentamiento solar de agua es un ampliamente utilizado sistema solar por el cual obtenemos agua caliente con la ayuda de la radiación solar para aplicaciones industriales, domésticas, etc.. El Sistema de calentamiento solar de agua convierte la Energía Solar en Energía Térmica y puede reemplazar cualquier tipo de sistema de calentamiento convencional o combustible para aplicaciones térmicas como calentamiento de agua, calefacción, etc.

Q2. CÓMO FUNCIONA?
Resp. El Sistema de calentamiento solar de agua se compone de un colector solar, un depósito estanco de agua caliente, tuberías estancas, controles e instrumentación, etc. La Energía Solar que incide en el panel de absorción recubierto con un recubrimiento especial transfiere el calor al agua que fluye en el tubo de debajo de las aletas de absorción. El agua que pasa a través del elevador, a continuación, pasa al depósito estanco y esta misma agua re-circula por el colector durante todo el día hasta que se alcanza la temperatura máxima

Q3. QUÉ ES LO QUE TE AHORRA?
Resp.
* El Sistema de calentamiento solar de agua (SWHS) funciona con la radiación solar, que está disponible de forma gratuita durante todo el año. Esto ahorra gastos en combustibles convencionales tales como el carbón, madera, petróleo, electricidad, etc.
* El Sistema de calentamiento solar de agua (SWHS) es un sistema absolutamente libre de mantenimiento, lo cual puede ahorrar tiempo y dinero.
* SWHS es un sistema libre de contaminación lo cual puede salvar el medio ambiente de las emisiones de gases de efecto invernadero.

Q4. DONDE PODEMOS USAR UN SISTEMA DE CALENTAMIENTO SOLAR DEL AGUA?
Resp. Industria Hotelera, Instituciones Educativas, Albergues, Hospitales, Industrias de la Leche, Hostelería, pre-calentamiento del agua de caldera etc. Dondequiera que necesitemos agua caliente para cualquier aplicación como baño, limpieza de envases, bebida, cocina, etc. podemos utilizar este sistema sin ningún coste de combustible. Los Sistemas de calentamiento solar de agua también se utilizan en las industrias de proceso donde la caldera provee de vapor a baja presión. Los Sistemas de calentamiento solar de agua generalmente se utilizan como un excelente equipo de conservación de energía y de eficiencia de energía para el suministro de agua caliente a 80 grados Celsius para calderas en la fase de pre-calentamiento.

Q5. CUAL ES LA CAPACIDAD DEL SISTEMA DE CALENTAMIENTO SOLAR DEL AGUA DISPONIBLE EN EL MARCADO?
Resp. Está disponible desde una capacidad mínima de 100 LPD (Litros Por Día) tanto para aplicación doméstica como comercial. Puede suministrar agua caliente a 60º para uso doméstico y a 80º para usos comerciales. Está disponible en múltiplos de 100 litros en el mercado. Para una capacidad de calentamiento solar de agua de 100 LPD (Litros Por Día), necesitamos 1 no. de colector solar de 2 de metros cuadrados de área. Requiere una superficie de 4 metros cuadrados libres de sombra para su instalación sobre el tejado.

Q6. CUÁLES SON LOS DIFERENTES TIPOS DE SISTEMAS DE CALENTAMIENTO SOLAR DEL AGUA DISPONIBLES?
Resp. El Sistema de calentamiento solar de agua puede clasificarse en 2 tipos basándonos en el sistema de colector.
a) Calentadores solares de agua basados en colectores de paneles planos.
b) Calentadores solares de agua basados en colectores de tubos de evacuación.

Colectores de paneles planos:
En este tipo, la radiación solar es absorbida por los colectores de paneles planos que consisten en una caja metálica exterior estanca cubierta en la parte superior con una lámina de cristal. Dentro hay hojas absorbentes metálicas ennegrecidas (selectivamente recubiertas) con tubos alojados para transportar agua. El amortiguador absorbe la radiación solar y transfiere el calor al agua que fluye.

Colectores de Tubos de Evacuación:
En este tipo, el colector solar está hecho de tubos de vidrio borosilicatado de doble capa evacuados para proporcionar aislamiento. La pared exterior del tubo interno está recubierta con material absorbente selectivo. Esto ayuda a la absorción de la radiación solar y transfiere el calor al agua que fluye a través del tubo interior.
El Sistema de calentamiento solar de agua también puede clasificarse en 2 tipos basándonos en la circulación del agua.
a) Sistema de Termosifón.
b) Sistema de flujo forzado o sistema de circulación forzada.

Sistema de Termosifón:
En el sistema de termosifón, agua va de la cabeza del depósito superior a la parte inferior del colector solar por circulación natural y el agua circula del colector al depósito siempre que el absorbedor siga absorbiendo el calor del sol y agua se calienta en el colector. El agua fría en la parte inferior del depósito entra en el colector y reemplaza al agua caliente, que, a continuación, se ve forzada a entrar en el depósito estanco de almacenamiento de agua caliente. El proceso de la circulación se detiene cuando no hay radiación solar en el colector. El Sistema de Termosifón es sencillo y requiere poco mantenimiento debido a la ausencia de controles e instrumentación.

Sistema de circulación forzada:
En el Sistema de flujo forzado, se utiliza una bomba para hcer circular el agua entre los colectores y el depósito estanco de almacenamiento de agua caliente. Los sistemas de circulación forzada son más eficientes, en comparación con sistemas de termosifón debido a la mayor tasa de flujo. Por lo general, las bombas son operadas por el sistema de control diferencial de temperatura (DTC), que detecta la diferencia de la temperatura pre-establecida entre la entrada y la salida de los colectores.
El Sistema de calentamiento solar de agua además puede clasificarse Sistema Directo (Sistema de Bucle Abierto) y Sistema Indirecto (Sistema de Bucle Cerrado).

Sistema de Bucle Abierto:
El Sistema Directo es aquel donde el agua circula a través de todo el sistema, es decir, desde el colector al depósito de almacenamiento y la misma agua caliente se usa para diversas aplicaciones. Generalmente, este tipo de sistemas no son aptos para el agua dura debido a los problemas de escalado en los canales y los cabezales del colector.

Sistema de Bucle Cerrado:
En el Sistema Indirecto, el fluido térmico circula entre el colector y el depósito estanco con intercambiador de calor. El calor del fluido térmico es entonces transferido al agua a través del intercambiador de calor del depósito. En este sistema, los fluidos térmicos no están en contacto físico con el agua en el depósito. Estos sistemas son generalmente adecuados para agua dura.

Q7. HAY DISPONIBLE ALGÚN PRÉSTAMO BLANDO / SUBSIDIO?
Resp. Sí, el préstamo blando está disponible en la Agencia para el Desarrollo de la Energía Renovable en India (Indian Renewable Energy Development Agency Limited - IREDA), Nueva Delhi, según el Régimen de Subvención de Interés de MNES. El Préstamo puede aplicarse tanto para usos domésticos como comerciales y para cualquier capacidad del Sistema de Calentamiento Solar de Agua. El principal con el interés es reembolsable en 6 años (incluyendo el período de moratoria de un año).
 El Ministerio de Fuentes de Energía No Convencionales (MNES) proporciona subvenciones de interés para promover los sistemas de calentamiento solar de agua a través de IREDA y algunos Bancos Nacionalizados de modo que los usuarios finales y los clientes pueden obtener préstamos blandos a tipos de interés inferiores.
 Además de lo anterior, algunos Estados están proporcionando un subsidio adicional para promover el concepto de calentamiento solar del agua e hicieron obligatorio el uso de sistemas de calentamiento solar de agua para ciertos edificios, edificios gubernamentales, etc.

Q8. CUÁL ES EL DE PRÉSTAMO MÍNIMO DE IREDA?
Resp. El IREDA está proporcionando préstamos blandos en dos categorías diferentes. Uno es el Régimen de Usuario Directo y otro es el Régimen de Intermediario.
Régimen de Usuario Directo: El usuario final ó cliente que quiera instalar un sistema de calentamiento solar del agua con mayor capacidad puede dirigirse directamente al IREDA para valerse del préstamo blando del IREDA. El importe mínimo del préstamo en esta categoría es de 500.000 Rs..
Régimen de Intermediario: Cualquier Institución Financiera, Banco, Fabricantes Térmico Solar, Corporación, NBFCs, Agencias Nodales del Estado, ONGs Reputadas pueden convertirse en intermediarios del IREDA para otorgar préstamos blandos a los usuarios finales para diferentes tipos de aplicación. El importe mínimo del préstamo en esta categoría es de 1.000.000 Rs.

Q9. CUÁL ES LA GARANTÍA DE RENDIMIENTO PARA EL SISTEMA DE CALENTAMIENTO SOLAR DEL AGUA?
Resp. Bajo el Régimen de préstamo blando de IREDA / subvenciones de interés MNES, los fabricantes Solares Térmales están obligados a dar una garantía de 5 años/ garantía para sistemas de calentamiento solar del agua completos. Algunos fabricantes dan una garantía de 10 años para Colectores Solares.

Q10. Cuál es el tipo de interés aplicable al sector?
Resp. Por favor consultar el Anexo-I adjunto para ver el detalle de los tipos de interés aplicables a las diferentes categorías de clientes del sector Solar Térmico.

Q11. QUIÉNES SON LOS FABRICANTES Y PROVEEDORES DE SISTEMAS DE CALENTAMIENTO SOLAR DE AGUA?
Resp. Por favor, consultar el Folleto del IREDA Nº 3 o el Anexo-II adjunto para ver la lista de fabricantes homologados del sector Solar Térmico.

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Solar Water pumping programme

Technology

Photovoltaic pumping systems provide a welcome alternative to fuel burning generators or hand pumps. They provide the most water precisely when it is needed the most - when the sun shines the brightest! Solar pumps are simple to install and maintain. The smallest systems can be installed by one person in a couple hours, with no experience or special equipment required. Advantages of using PV-powered pumps include:

  • low maintenance
  • ease of installation
  • reliability
  • scalability

A SPV Water Pumping System consist of a DC / AC surface mounted / submersible / floating motor pump set, electronics if any, interconnect cables, a On-Off switch and a PV array mounted on a suitable structure with a provision of tracking.

Schemes Applicable

The programme is open to all categories of users including individuals, farmers, Non Governmental Organisations, Cooperative Societies, Corporate Bodies, Autonomous Institutions, Research Organisations, Banks, State/Central Government agencies etc subject to condition that the beneficiaries give an undertaking to the implementing agency that they do not own a SPV water pumping system and the present system would be utilized for water lifting applications.

Incentives Available

Accreted Depreciation : 80% on the first year.

Procurement Procedures

The SPV Pumping Systems can be procured from any of the approved manufacturers empanelled with IREDA. List of the approved manufacturers is as follows:

  • M/s. Photon Energy Systems
    1/482, Avanashi Road,
    Neelambur, Coimbatore – 641 014
    Phone: , 2627003
    Fax: 0422 - 2628504
  • M/s. Udhaya Semiconductors Ltd.
    Plot No. 775 – K, Road No. 45,
    Jublee Hills, Hyderabad – 560 033
    Phone: 040 – 23231685, 23231545
    Fax: 040 – 23546152, 23544839
  • M/s. Central Electronics Ltd.
    4, Industrial Area,
    Sahibabad – 201010, Uttar Pradesh
    Phone: 0120 – 2895166, 2895165
    Fax: 0120 – 2895147, 2895148
  • M/s. Surya Jyothi Devices Pvt. Ltd.
    E-3, Lajpat nagar - II
    New Delhi - 110 024
    Ph : 91-11-29814822, 29814129.
    Fax : 91-11-29819444
  • M/s Tata BP Solar India Ltd.
    Plot No. 78, Electronic City
    Hosur Road, Bangalore - 561 229
    Ph : 080-8520082/3, 8520973/4
    Fax : 080-8520972/116
    and
    M/s Tata BP Solar India Ltd.
    70-73 UGF, World Trade Centre
    Barakhamba Lane, New Delhi - 110 001
    Ph : 011-23411537, 23411538
    Fax : 011-23411539
  • M/s. Rajasthan Electronics & Instruments Ltd.
    2, Kanakpura Industrial Area
    Sirsi Road, Jaipur 302 012 Rajasthan
    Ph: 0141-352271, 354362, 63
    Fax : 0141-351926, 352841, 358808
  • M/s. Titan Consultants & Services Ltd.
    16, Aruna Enclave, Trimulgherry
    Secunderabad - 500 015
    Andhra Pradesh
    Ph : 040-7742085
    Fax: 040-7795629
  • M/s Premier Solar Systems (P) Ltd.
    41 S V Co-op Indl. Estate,
    Balanagar, Hyderabad - 500 037
    Ph: 040 – 23777521, 23777522
    Fax : 040 – 3771879
  • M/s. Bharat Heavy Electricals Ltd.
    P. B. No. 2626, Mysore Road,
    Bangalore – 560 026
    Ph: 080 – 6744283
    Fax: 080 - 6740137

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Standard Format

Click Here To Download Application Form For Product Empanelment (Right Click - Save Target As)
Click Here To Download Application For Loan Assistance (Right Click - Save Target As)

List Of Officers In The Sector

Sh. R.K. Vimal
Asstt. General Manager (TS)
E mail : r.k.vimal@ireda.in

Sh. Rajesh Kujur
Deputy Manager (TS)
E mail : r.kujur@ireda.in

Frequently Asked Questions

Q1. What is a solar photovoltaic (spv) water pumping system?
Ans. A spv water pumping system consists of a photovoltaic array mounted on a stand, and one of the following motor-pump sets compatible with the photovoltaic array:

  • D.c. surface mounted centrifugal pump set,
  • D.c. submersible pump set,
  • D.c. floating pump set,
  • c. Submersible pump set,
  • Any other type of motor-pump set, after approval from mnes.

Q2. How does it work?
Ans. The photovoltaic array converts the solar energy into electricity, which is used for running the motor pump set. The pumping system draws water from the open well, bore well, stream, pond, canal etc.

Q3. What does it save you?

Ans.

  • It operates on the freely available solar energy. Thus saves expenditure on diesel & electricity.
  • No fear of power cuts or scarcity of diesel.
  • It is trouble free, pollution free, has a long life and is reliable.
  • Unlike a diesel pump set, it does not produce noise
  • It is easy to handle and operate.
  • The cost of operation and maintenance is negligible.

Q4. What is the technology used in spv water pumping systems:
Ans. Solar cell is a primary device for solar photovoltaic systems since it converts solar radiation into electricity. Solar pv cells are made of fine sheets of silicon wafers, cut to the required shape. The technology is mainly based on monocrystalline silicon and polycrystalline. Number of such spv cells are coupled in series and (or) parallel connection to design a spv module of required power. These modules can be further coupled to form spv array, to get desired power output to run the electrical appliances such as pumps.
the system components of spv water pumping system are:

  • Pv array
  • Motor pump set
  • Interface electronics
  • Connecting cables & switches
  • Support structure & tracking system
  • Pipes, etc.

Q5. Who are eligible to own a solar photovoltaic water pumping system under this national project?
Ans. An individual farmer, non-governmental organization, cooperative society, corporate body, institution and govt. Dept. Etc.

Q6. What are the uses of spv water pumping system under mnes spv water pumping programme?
Ans. Agriculture and related uses such as horticulture, animal husbandry, poultry farming, high value crops, orchards, silviculture, fish culture, salt farming, drinking water etc. Battery charging is disallowed under this programme.

Q7. What is the capacity of spv water pumping system?
Ans. A spv water pumping system is available with a photovoltaic array of capacity in the range of 200 watts to 3000 watts. (capacity of motor pump set is from 0.5 hp to 2 hp)

Q8. How much water can the pump can deliver?
Ans. A spv water pumping system is expected to deliver a minimum of 65,000 liters per day for a 900 watts panel and 135,000 liters per day for a 1800 watts panel from a suction head of 7 meters and/or a total head of 10 meters on a clear sunny day. In case of deep well submersible pumps, the water output shall be a minimum of 45000 liters from 1200 wp.
The discharge from the pump would vary with the intensity of the sunrays from morning till evening. It would be maximum around noontime.
The water output from the pumping would considerably drop with the increase in the suction/ total head.
Please confirm the water output from the supplier of the spv pumping system, which you want to install in your field.

Q9. How much area can a system command for a particular crop?
Ans. The spv water pumping system may command an area of irrigation 0.5-6 hectares at a total head of 10 meters depending on water table, type of soil and water management.
Considering the average peak watt of spv water pumping system to be 900 watts, the following table indicates critical irrigation command area for different crops with the type of method used:

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S. No. Crops Critical command area in ha. Irrigation method
1. Year round vegetables cultivation 1.00 Surface
2. Chillies/ sorghum/ groundnut 1.41 Surface
3. Paddy nursery 0.70 Surface
4. Garlic 2.08 Micro sprinkler
5. Cucumber 1.82 Drip
6. Groundnut 1.97 Micro sprinkler
7. Grapes 2.14 Drip
8. Lime 4.89 Drip
9. Banana 2.36 Drip
10. Pomegranate 7.32 Drip

Q10. What is the cost of complete system?
Ans. The subsidized cost of installation and commissioning of a spv water pumping system to you will vary between rs. 1,90,000 to rs.2,70,000 depending upon the supplier and model. Subsidy is available @ rs.110 per wp subject to a maximum of rs. 2,50,000 per pump set.

Q11. Is there any loan available?
Ans. Yes, soft loans are available at an interest rate of 5% per annum through indian renewable energy development agency limited (ireda). The maximum amount of soft loan will be up to 90% of the unsubsidized part of the spv water pumping system. In case, the mnes financial assistance (subsidy) is not availed, the loan amount can be up to 90% of the sale price of the system. The principal with the interest is repayable in 10 years (including one year moratorium) starting at the end of first year of sanction of the loan.

Q12. What is the performance guarantee for the pumping system?
Ans. Pv arrays are supplied with a performance guarantee for a period of ten years. Motor pumps sets and accessories are supplied with a guarantee period of two year. Further, minimum spare parts of the pump and other systems are also supplied with the spv water pumping system for trouble free operation for a period of 3 years.

Q13. What is the minimum loan eligibilty from ireda?
Ans. Minimum loan for a project should be of rs. 10 lakhs.

Q14. Who are the manufacturers and suppliers of spv water pumping systems?
Ans. Various spv water pumping systems manufacturers and suppliers are as follows:

  • M/s. Photon Energy Systems
    1/482, Avanashi Road,
    Neelambur, Coimbatore – 641 014
    Phone: , 2627003
    Fax: 0422 - 2628504
  • M/s. Udhaya Semiconductors Ltd.
    Plot No. 775 – K, Road No. 45,
    Jublee Hills, Hyderabad – 560 033
    Phone: 040 – 23231685, 23231545
    Fax: 040 – 23546152, 23544839
  • M/s. Central Electronics Ltd.
    4, Industrial Area,
    Sahibabad – 201010, Uttar Pradesh
    Phone: 0120 – 2895166, 2895165
    Fax: 0120 – 2895147, 2895148
  • M/s. Surya Jyothi Devices Pvt. Ltd.
    E-3, Lajpat nagar - II
    New Delhi - 110 024
    Ph : 91-11-29814822, 29814129.
    Fax : 91-11-29819444
  • M/s Tata BP Solar India Ltd.
    Plot No. 78, Electronic City
    Hosur Road, Bangalore - 561 229
    Ph : 080-8520082/3, 8520973/4
    Fax : 080-8520972/116
    and
    M/s Tata BP Solar India Ltd.
    70-73 UGF, World Trade Centre
    Barakhamba Lane, New Delhi - 110 001
    Ph : 011-23411537, 23411538
    Fax : 011-23411539
  • M/s. Rajasthan Electronics & Instruments Ltd.
    2, Kanakpura Industrial Area
    Sirsi Road, Jaipur 302 012 Rajasthan
    Ph: 0141-352271, 354362, 63
    Fax : 0141-351926, 352841, 358808
  • M/s. Titan Consultants & Services Ltd.
    16, Aruna Enclave, Trimulgherry
    Secunderabad - 500 015
    Andhra Pradesh
    Ph : 040-7742085
    Fax: 040-7795629
  • M/s Premier Solar Systems (P) Ltd.
    41 S V Co-op Indl. Estate,
    Balanagar, Hyderabad - 500 037
    Ph: 040 – 23777521, 23777522
    Fax : 040 – 3771879
  • M/s. Bharat Heavy Electricals Ltd.
    P. B. No. 2626, Mysore Road,
    Bangalore – 560 026
    Ph: 080 – 6744283
    Fax: 080 - 6740137

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