The founding members of TASC represent the vast majority of the nation 's rooftop solar market .
The founding members of TASC include Demeter Power Group , Silevo , SolarCity , Solar Universe , Sunrun , and ZEP Solar .
The founding members of TASC represent the vast majority of the nation 's rooftop solar market and include Demeter Power Group , Silevo , SolarCity , Solar Universe , Sunrun , and ZEP Solar .