Analysis of historical data of solar power storage enterprises
240KW/400KW industrial rooftop - commercial rooftop - home rooftop, solar power generation system.
The Department of Energy (DOE) began operations in 1977, which directed the USA''s Solar Energy Technologies Program (SETP) through its Office of Solar Energy Technologies (Clark, 2018). The "Public Utility Regulatory Policy Act of 1978" provided tax credits for residents who invested in solar energy in an attempt to initiate a small niche PV market.