solar cost decline
Report: US solar costs continue rapid decline. System costs have declined by a total of 85-95% since peaking a decade ago. Solar prices in the US in 2013 fell by a further 15% year on year, a study from the Department of Energy and Lawrence Berkeley National Laboratory has found.The report âTracking the Sunâ is the seventh edition summarising PV prices from 1998, up to the first half of 2014, across the US.The study concluded that between 2012 and 2013 solar prices fell by 12-15% depending on system size, averaging US$0.07 per year.he report surveyed 300,000 residential, commercial and utility-scale solar systems, across 33 states, representing 80% of grid connected solar in the US and looks at the dollar cost per watt for solar.