Under optimal conditions, a 12kW solar system can generate approximately 48-60 kWh (kilowatt-hours) of electricity per day, which can produce between 17,500 kWh and 22,000 kWh of electricity per year.
The ratio of the light energy that passes through the transparent cover and is absorbed at the black surface to the light energy landing on the panel gives one measure of the efficiency of the panel, the so called "optical efficiency" or "zero-loss efficiency".
Yes, you can install solar panels on a north-facing roof, but efficiency will be lower compared to south-facing panels. However, with tilted mounting systems, high-efficiency panels, and microinverters, homeowners can still generate 50-85% of the energy they would on an ideal.
These findings align with Baurzhan and Jenkins and Sun et al., who explored the feasibility of off-grid solar PV systems in South Asia, emphasizing factors like cost-effectiveness, affordability, financing, environmental impact, and poverty alleviation.
Installation costs an average of $5,000, and some systems can cost over $70,000 depending on the battery size and number of chargers. But, don't let the price deter you from purchasing one, as some customers could be eligible for a 40% tax credit with the Inflation Reduction Act.
Interested parties should have at least $50,000 in liquid capital to invest. Franchisees can expect to make a total investment of $70,400 - $151,500. They also offer financing as well as a discount for veterans (10% Veteran.