The efficiency of a solar generator can vary significantly based on various factors such as the quality of solar panels, the inverter, battery storage capacity, and weather conditions.
However, a commonly cited average efficiency range for solar panels, which are the primary component in solar generators, is around 15-20%.
This means that 15-20% of the solar energy hitting the panels is converted into electricity.
The inverter, which converts DC power from the solar panels to AC power for use, can also have an efficiency ranging from about 90% to 98%.
Remember, efficiency can be influenced by real-world conditions such as:
- Angle of incidence of sunlight: Solar panels are most efficient when the sun’s rays hit them perpendicularly.
- Temperature: Solar panels usually perform better at lower temperatures.
- Dust and debris: Dirty solar panels can greatly reduce efficiency.
- Age of the system: Solar panels degrade over time, typically losing about 0.5% to 1% of their efficiency per year.
Considering all components and losses due to various factors, the overall efficiency of a solar generator system might be lower than the sum of its parts.
So, while panel and inverter efficiencies might be high, the complete system efficiency could be influenced by various factors, including losses during energy storage in batteries.