TERMS OF REFERENCE1. Project BackgroundA solar power plant is to be set up in Novokuznetsk,Russia(53degrees 44' 0''N, 87 degrees 5' 0'' E) of 3MW. The implementation of this project is envisaged to be carried out on Engineering, Procurement and Construction (EPC) Contract basis from designing to commissioning and subsequently Operation and Maintenance (O&M).

3. Scope of Work/ServiceThe Engineering, Procurement and Construction (EPC) contractor shall be engaged for design, engineering, procurement & supply of equipment, and materials, testing at manufacturers works, inspection, packing and forwarding, supply, unloading at site, associated civil works, services, permits, installation and incidentals, insurance at all stages, erection, testing and commissioning of 3 MW (DC)/ 3 MW (AC) Grid Interactive Solar PV Power Plant with associated equipments and materials on turnkey .

Technical specification: SPV Crystalline Modules

4.4.1. SPV Poly / Mono crystalline modules to be supplied should have minimum declared output of 240 Watt peak or more. Number of modules to be supplied shall be worked out accordingly.

Peak power point voltage and the peak power point current of any supplied module and/or any module string (series connected module) shall not be more than 2% from the respective arithmetic means for all modules and/or for all module strings, as the case may be.

4.4.3. PV modules should be PID free. The PV Module should be of positive tolerance (+3%). The PV module should be sorted (current/voltage sorting) before supply.

4.4.4. Each module shall have low iron tempered glass front for strength & superior light transmission. It shall also have tough multi-layered polymer back sheet for environmental protection against moisture & provide high voltage electrical insulation.

4.4.5. The module frame shall be made of aluminium or corrosion resistant material,Withstand site condition(Snow fall) which shall be electrically compatible with the structural material used for mounting the modules.

4.4.6. Solar modules offered shall be certified as per IEC 61215 and qualify IEC 61730 andIEC61701 amended up to date or equivalent Standard.

4.4.7. SPV module shall contain mono/poly crystalline high power silicon solar cells. The solar cell shall have surface anti-reflective coating to help to absorb more light in all weather conditions.

4.4.8. Solar module shall be laminated using lamination technology using established polymer (EVA) and Tedlar/Polyester laminate.

4.4.9. The solar modules shall have suitable encapsulation and sealing arrangements to protect the silicon cells from the environment. The arrangement and the material of encapsulation shall be compatible with the thermal expansion properties of the Silicon cells and the module framing arrangement/material. The encapsulation arrangement shall ensure complete moisture proofing during life of the solar modules.

4.4.10. Photo conversion efficiency of SPV Module should be greater than 15%. Module shall be made of high transmittance glass front surface giving high encapsulation gain. Cells used in offered module should of repute make.

4.4.12. Module rating is considered under standard test conditions, however Solar Modules shall be designed to operate and perform under site condition including high temperature & dust (sometimes).

4.4.13. All materials used shall be having a proven history of reliable, light weight and stable operation in external outdoor applications and shall have service life of 25 years.

4.4.14. Solar PV Module design shall conform to following requirement:

i. Weather proof DC rated MC4 connector and a lead cable coming out as a part of the module, making connections easier and secure, not allowing for any loose connections.ii. Resistant of water, abrasion, hail impact, humidity & other environment factor for the worst situation at site.iii. Modules should be of efficiency more than 15% (applicable to C-Si technology only).iv. The fill factor of module shall not be less than 0.70 (typical).v. The V-I curve of each PV module with Sl. Nos. should be submitted along with Modules meeting the required specifications.vi. Identification and Traceability: Each PV module used in any solar power project must use a RF identification tag. The following information must be mentioned in the RFID used on each module. This can be inside or outside the laminate, but must be able to withstand harsh environmental conditions.

Name of the manufacturer of PV module Name of the manufacturer of Solar cells Month and year of the manufacturer (Separately for Solar cell and module)Country of origin (Separately for Solar cell and module) I-V curve for the module Wattage, Im, Vm and FF for the module Unique Serial No and Model No of the module Date and year of obtaining IEC PV module qualification certificate Name of the test lab issuing IEC certificate Other relevant information on traceability of Solar cell and module as per ISO 9000 series.

4.5 Technical Specification: Alternative Solar PV Module - Thin Film

4.5.1. The Thin film Solar PV module will be minimum 100Wp nominal rating

4.5.2. Thin Film Solar modules offered shall be certified as per latest edition of IEC 61646.4.5.3. The thin film modules shall also qualify for IEC 61730 for safety qualification testing. For modules to be used in a highly corrosive environment throughout their lifetime they must qualify for IEC 61701. The safety class shall be UL 1703.4.5.4. SPV module shall contain amorphous silicon/ microcrystalline solar thin film or shall be of Copper Indium Gallium Diselenide (CIGS) or Cadmium Telluride (CdTe). The thin film modules shall have surface coating to help to absorb more light in all weather conditions. The modules shall be able to perform well under weak light conditions (diffuse & reflective light)4.5.5. The module frame shall be made of aluminium or corrosion resistant material, which shall be electrolytically compatible with the structural material used for mounting the modules. Frameless modules are also permitted.

Photo electrical conversion efficiency of Thin Film module shall not be less than 12%. Bidders are requested to offer accordingly.4.5.7. Fill factor of the module shall not be less than 0.6.4.5.8. Each module shall have low iron tempered glass front for strength & superior light transmission. It shall also have back glass sheet for environmental protection against moisture & provide high voltage electrical insulation.

4.6 Other Conditions Applicable To Both Module Types

4.6.1. Solar PV module shall be highly reliable, light weight and shall have a service life of more than 25 years.

4.6.2. The rated output of any supplied module shall not vary by more than 3% from the average power rating of all ratings. Each module, therefore, has to be tested and rating displayed.

4.6.3. It shall perform satisfactorily in relative humidity up to 95% and temperature between –40°C and 85°C.It shall be able to withstand wind pressure as per site conditions.4.6.4. The solar modules should have suitable encapsulation & sealing arrangements to protect it from the environment. The encapsulation arrangement shall ensure complete moisture proofing for the entire life of solar modules.

4.6.5. Bidder must consider Shading Losses as per the relevant Industry Standard & Practice while designing the proposed power plant. The shadow analysis of the plant shall be submitted to the Engineer In charge for the approval. The inter row distance and tilt angle between the array shall be designed on the basis of getting maximum yield in the array layout.

The offered module shall have a Power warranty of 25 years with degradation of power generated not exceeding 20% of the minimum rated power over the 25 years period. Guarantee on power output of solar module will be as follows:

a. First year degradation max up to 2.5% i.e. (guaranteed power output at least 97.5%)b. Subsequent years degradation factor: 0.7% every year (linear degradation)

4.6.7. Marking: Each PV module used in any solar power project must use a RFidentification tag. The following information must be mentioned in the RF ID used on each module (This can be inside or outside the laminate, but must be able to withstand harsh environmental conditions.) and also in clear and indelible markings: Name, monogram or symbol of manufacturer of PV module; Name, monogram or symbol of manufacturer of Solar cells; Unique Serial number and model number of the module; Polarity of terminals or leads (colour coding is permissible) Maximum system voltage for which the module is suitable; Date & place (country of origin) of manufacture (separately for PV module and solar cell) I-V Curve for the module; Wattage, Im, Vm &FF for the module; Name of the test lab issuing IEC certificate ; Other relevant information on traceability of solar cells and module as per ISO 9000.

4.6.8. The 3 MW (AC)/ 3 MW (DC) Solar PV power plants shall continuously measure solar radiation, ambient temperature, wind speed and other weather parameters, generation of DC power as well as AC power generated from the plant.

4.6.9. Bidder shall provide data sheet for Solar PV Module (Under Standard Testing Condition) along with their offer as per Guarantee Technical Particular.

4.6.10. Bidder shall provide data sheet for Solar PV Module (Under Standard Testing Condition) along with their offer as per Guarantee Technical Particular.

4.6.11. Entire drawings, detailed test reports of the offered modules should be submitted for approval within 15 days from the date of placement of detailed order or 21 days from Letter of Award whichever is less and supply should start thereafter.

4.6.12. Module manufacturer should be a stock exchange listed entity and should have at least four consecutive profitable quarters.