by Julia Pyper
May 31, 2016

Net metering is one of the most widely adopted energy policies in the United States. Today, 42 states offer some form of net metering -- a billing mechanism that credits distributed solar owners for surplus electricity they add to the grid.

But while net metering is still the dominant compensation method for rooftop solar, a growing number of states are re-evaluating their net energy metering (NEM) policies and how to value the wider array of distributed energy resources (DERs) in the evolving electricity system.

Thirty-nine states took...