Industry Overview
Solar photovoltaic (PV) power plants generate electricity by converting sunlight directly into electrical energy through solar PV (SPV) modules arranged in arrays with a total capacity of 1 kW or more. A typical system consists of PV modules, a rechargeable battery bank, a power conditioning unit that includes an inverter and charge controller, and other supporting electrical components. When sunlight strikes the PV modules, they produce direct current (DC) electricity, which is stored in the battery bank for later use.
The inverter converts the stored DC electricity into alternating current (AC), making it suitable for operating common electrical loads such as lighting, fans, and other household or commercial appliances. The total connected load must remain within the rated capacity of the installed PV modules. Depending on the application, solar PV power plants may be configured as stand-alone systems, grid-connected installations, grid-tied systems with backup, or grid fallback systems. These systems are widely used in residential, industrial, commercial, and defense applications due to their ability to provide reliable and renewable electricity. Proper system design, installation, safety practices, commissioning, and maintenance are essential to achieving efficient performance, long service life, and dependable operation.
Cost Estimation
| Particular | Value |
|---|---|
| Plant Capacity | 100 MW/Day |
| Land & Building (1475 sq.mt.) | Rs. 11.54 Cr |
| Plant & Machinery | Rs. 63.41 Cr |
| Working Capital for 0.5 Months | Rs. 14.37 Lac |
| Total Capital Investment | Rs. 79.05 Cr |
| Rate of Return | 11% |
| Break Even Point | 75% |
Content Index
- INTRODUCTION
- WORKING PRINCIPLE
- ADVANTAGES
- TYPES OF SOLAR PV POWER PLANT
- THERE ARE MAINLY FOUR TYPES OF SOLAR POWER STATIONS
- (1) STAND ALONE OR OFF GRID SOLAR POWER PLANT
- TYPES OF STANDALONE SOLAR SYSTEMS
- DEPENDING UPON THE USE AND DESIGN THERE ARE DIFFERENT TYPES OF STANDALONE SOLAR SYSTEMS
- (A) STANDALONE SOLAR (PV) SYSTEM WITH ONLY DC LOAD
- (B) STANDALONE SOLAR (PV) SYSTEM WITH DC LOAD AND ELECTRONIC CONTROL CIRCUIT
- (C) STANDALONE SOLAR (PV) SYSTEM WITH DC LOAD, ELECTRONIC CONTROL CIRCUIT AND BATTERY
- (D) STANDALONE SOLAR (PV) SYSTEM WITH AC/DC LOAD, ELECTRONIC CONTROL CIRCUIT AND BATTERY
- IT IS NEEDLESS TO SAY THAT THIS STANDALONE SYSTEM HAS SIX BASIC COMPONENTS
- (2) GRID TIE SOLAR POWER STATION
- (3) GRID TIE WITH POWER BACKUP SOLAR POWER GENERATION
- (4) GRID FALLBACK SOLAR POWER GENERATION
- COMPONENT OF PV POWER PLANT
- 1. PV PANNEL
- 2. BALANCE OF SYSTEM
- THE MAJOR BALANCE-OF-SYSTEM EQUIPMENTS FOR STAND-ALONE SYSTEMS ARE:
- THE BALANCE OF SYSTEM COMPONENTS REQUIRED FOR GRID CONNECTED ARE:
- 1. BATTERIES
- 2. CHARGE CONTROLLER
- 3. INVERTER
- 4. POWER CONDITIONING UNIT
- 5. JUNCTION BOXES
- THE JUNCTION BOXES SHALL HAVE SUITABLE ARRANGEMENT FOR THE FOLLOWING:
- 6. WIRING
- USES AND APPLICATION OF PV SOLAR POWER PLANT
- 1. HABITAT APPLICATIONS
- 2. INDUSTRIAL APPLICATIONS
- 3. DEFENCE USE
- B.I.S. SPECIFICATION
- INSTALLATION OF PV POWER PLANT
- (1) SAFETY
- (A) ELECTRICAL
- (B) CHEMICAL
- THE FOLLOWING PRECAUTIONS SHOULD BE OBSERVED:
- (C) HANDING
- BATTERIES AND SOLAR ARRAYS PRESENT CERTAIN HAZARDS IN HANDLING AS FOLLOWS:
- FOR SAFE INSTALLATION WORK
- CAUTION
- POINTS TO CHECK BEFORE WIRING
- WIRING THE SOLAR MODULES
- WIRING FROM SOLAR ARRAYS TO THE INVERTER (CONNECTOR BOX)
- MEASURING ARRAY OUTPUT VOLTAGE
- GROUNDING THE MOUNT
- SOLAR POWER SYSTEM INSTALLATION LOCATION
- SAFETY PRECAUTIONS FOR INSTALLING A SOLAR PHOTOVOLTAIC SYSTEM
- GENERAL INSTALLATION NOTES
- MECHANICAL INSTALLATION SELECTING THE LOCATION
- SELECTING THE PROPER MOUNTING STRUCTURE AND HARDWARE
- MOUNTING METHODS
- 1. MOUNTING WITH BOLTS
- 2. MOUNTING WITH CLAMPING HARDWARE
- 3. ZERO-RACK MODULES MOUNTING WITH ZEP COMPATIBLE HARDWARES
- ELECTRICAL INSTALLATION
- GROUNDING
- WIRE
- GENERAL ELECTRICAL INSTALLATION
- SYSTEM COMMISSIONING
- VISUAL CHECK
- CONNECTIONS
- FLOW CHART ARE GIVEN BELOW
- TESTING, DEBUGGING AND TROUBLESHOOTING
- TEST PROCEDURE FOR MODULES SERIAL CONNECTED BEFORE CONNECT THEM TO THE PV SYSTEM
- TROUBLESHOOTING FOR LOW VOLTAGE
- TROUBLESHOOTING FOR LOW VOLTAGE
- MAINTENANCE
- ET SOLAR RECOMMENDS THE FOLLOWING MAINTENANCE ITEMS TO ENSURE OPTIMAL PERFORMANCE OF THE MODULE:
- MARKET POSITION
- INDIA – POTENTIAL
- ANNUAL INSOLATION
- THE MAIN FEATURES OF THE NATIONAL SOLAR MISSION ARE:
- GROWTH IN THE INDIAN SOLAR MODULE SEGMENT
- OPPORTUNITIES IN THE GLOBAL SOLAR MODULE SEGMENT
- DEMAND FOR SOLAR PV MODULES BY YEAR (GW)
- WHY SHOULD WE PRODUCE PV MODULES IN INDIA?
- ECONOMIC SENSE TO SET UP PV MODULE CAPACITY
- THAT’S WHY WE SHOULD SET UP PV MODULE MANUFACTURING IN INDIA THERE ARE FEW MORE BENEFITS TO PRODUCE IN INDIA:
- REALISTIC INDIAN SOLAR ENERGY INSTALLATION TARGET
- INDIA’S ATTRACTIVENESS IN PV MODULE MANUFACTURING
- PV MODULE MANUFACTURING ATTRACTIVENESS LIES ON 4 KEY MEASURES AND ASSIGNED WEIGHTS TO THEM AS FOLLOWS:
- THE OTHER PLAYERS RANKED ABOVE INDIA ARE AS FOLLOWS:
- OPPORTUNITY LIES AHEAD
- INDIA CAN BE A LEADER IN PV MODULE MANUFACTURING
- SUPPLIERS OF PLANT AND MACHINERY
- SUPPLIERS (CONSULTANT) FOR COMPLETE PV SOLAR POWER PLANT
- SUPPLIERS OF PV SOLAR PV MODULE
- SUPPLIERS OF SOLAR POWER CONDITIONING UNIT
- SUPPLIERS OF JUNCTION BOXES
- SUPPLIERS OF PV PANEL MOUNTING STRUCTURE
- SUPPLIERS OF ELECTRICAL CABLES
Appendix
- 01. PLANT ECONOMICS
- 02. LAND & BUILDING
- 03. PLANT AND MACHINERY
- 04. OTHER FIXED ASSESTS
- 05. FIXED CAPITAL
- 06. RAW MATERIAL
- 07. SALARY AND WAGES
- 08. UTILITIES AND OVERHEADS
- 09. TOTAL WORKING CAPITAL
- 10. TOTAL CAPITAL INVESTMENT
- 11. COST OF PRODUCTION
- 12. TURN OVER/ANNUM
- 13. BREAK EVEN POINT
- 14. RESOURCES FOR FINANCE
- 15. INSTALMENT PAYABLE IN 5 YEARS
- 16. DEPRECIATION CHART FOR 5 YEARS
- 17. PROFIT ANALYSIS FOR 5 YEARS
- 18. PROJECTED BALANCE SHEET FOR (5 YEARS)
Frequently Asked Questions
A solar PV power plant converts sunlight directly into electricity using photovoltaic modules. These modules generate DC electricity when exposed to sunlight, which can be stored in batteries or supplied through an inverter that converts it into AC electricity for operating electrical loads. Depending on the design, the system may function independently or be connected to the electrical grid.
A solar PV power plant consists of PV modules, batteries where required, charge controllers, inverters, power conditioning units, junction boxes, wiring, and supporting balance-of-system components. Together, these components capture solar energy, regulate power flow, store electricity when necessary, and safely deliver usable AC power to connected equipment.
The most common types include stand-alone (off-grid), grid-tie, grid-tie with power backup, and grid fallback solar power plants. Each configuration is designed for different operational requirements. The appropriate choice depends on factors such as grid availability, backup power needs, load characteristics, and the intended application.
Proper installation is essential for safety, efficiency, and long-term performance. Correct mounting, grounding, wiring, and commissioning help reduce electrical hazards, improve system reliability, and ensure the equipment operates within its design specifications. Following recommended installation procedures also simplifies maintenance and troubleshooting.
Solar PV power plants are suitable for residential, commercial, industrial, and defense applications. They can provide electricity for buildings, facilities, and remote locations while supporting reliable energy supply. Their flexibility allows them to serve both stand-alone installations and grid-connected power systems.
Regular maintenance helps maintain efficient and reliable system operation. Periodic inspection of modules, wiring, electrical connections, mounting structures, and power conditioning equipment can identify potential issues before they affect performance. Routine maintenance also contributes to improved operational reliability and a longer service life.
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