Solar Off Grid Power Plant
Description
Off-grid solar power plants are independent, battery-based systems that generate, store, and supply electricity without relying on the utility grid. They consist of solar panels, batteries (lead-acid or lithium), a solar inverter/charger, and charge controllers (MPPT or PWM). These systems provide uninterrupted power for rural areas and homes needing to eliminate electricity bills.
Key Components & Operation
Solar Panels (Monocrystalline/Polycrystalline): Capture sunlight and generate DC electricity.
Solar Inverter (Off-grid/Hybrid): Converts DC from batteries into 230VAC 50Hz electricity.
Battery Bank (Lead-acid/Lithium-ion): Stores excess energy for use at night or during power outages.
Charge Controller (MPPT/PWM): Manages charging to prevent overcharging.
System Components: Mounting structure, array junction box, and DC/AC cables.
Greenon Energy
Greenon Energy
Technical Details & Sizing
1 kW to 10 kW Systems: Suitable for homes; 1kW handles basic loads (lights, fans), while 5kW-10kW can support households with higher power consumption.
Battery Backup: A 2kW system can include a 25.6V/100AH Lithium-ion battery, while larger systems (10kVA) might use 10+ batteries, as shown in Greenon Energy 10KVA Solar Plant specifications.
Efficiency & Protection: Off-grid inverters often feature an efficiency of around 85%, with built-in protection against overloads, over-temperature, and short circuits, notes Greenon Energy 8KVA Solar Plant details.
Maintenance: Regular cleaning of panels is required. Battery banks need periodic replacement (2-3 years for Lead-acid, up to 10 years for Lithium).
Greenon Energy
Greenon Energy
Benefits & Applications
Independence: Perfect for areas without grid access, as supported by the Ministry of New and Renewable Energy (MNRE) Off Grid Solar Policy.
Reliability: Provides constant power regardless of grid fluctuations.
Cost: 1kW systems start around ₹69,699, with higher capacities up to 10kW costing approximately ₹7 lakh, including installation.