The US project location map on the Solar Energy Industries Association ( SEIA ) website is dotted with circles that illustrate the breadth of solar development underway . In Q1 alone , the US solar market installed just over 5GW of capacity . Utility-scale solar set a record for Q1 installations at 3.6GW , and Texas made up the largest share , accounting for more than 1.4GW , according to the Q2 Solar Market Insight Report . The West and East coasts are seeing an increased concentration of projects under development , but it is Texas that is leading the charge – at least in terms of construction and capacity . Here are the top 10 projects that are now well underway in the southern , solar-loving state .