In 2015 about 10% of Hawaii's residential customers had solar installations (0.5% is the national average). Such a large intermittent source of electricity caus

In 2015 about 10% of Hawaii's residential customers had solar installations (0.5% is the national average). Such a large intermittent source of electricity caused problems for the utility companies and led to limitation on buying back electricity from these solar installations. Naturally, this has slowed installation of additional residential solar in Hawaii. See [1] and [2]. Hawaii has a goal of 40% renewable by 2030 but they have a number of technical hurdles to get over. [1] http://e360.yale.edu/features/will_new_obstacles_dim_hawaiis_solar_power_surge http://e360.yale.edu/features/will_new_obstacles_dim_hawaiis... [2] http://www.utilitydive.com/news/hawaiian-electric-opens-20-mw-more-grid-supply-rooftop-solar-capacity/440523/ http://www.utilitydive.com/news/hawaiian-electric-opens-20-m...