US PV systems costs declined again in Q1 - NREL report

US PV installed costs continued to decline in the first quarter of this year for residential, commercial and utility-scale systems, according to a new report by the National Renewable Energy Laboratory (NREL).

RevoluSun installers work on rooftop in Honolulu
RevoluSun installers work on rooftop in Honolulu
Published 29 September 2016, 17:08Updated 25 October 2016, 15:53