March 1 — The retail residential electricity price varies regionally, but the national average in November 2017 was $0.13/kWh. There are ways to bring the cost of rooftop photovoltaic (PV) solar to $0.05/kWh by 2030, according to a new Department of Energy (DOE) paper. That value proposition could be appealing enough to change the already falling demand for grid-supplied electricity noticeably.

— Utility Dive