This is the first post in a two-part series. The second post will focus on the Potomac Solar Co-op, currently open for Arlington residents interested in purchasing solar at a discount rate. For now, past is prologue.
Solar has been the energy source of the future for decades. Since at least the 1990s, we’ve all been waiting for solar panels to make the one last technological breakthrough that makes it cost-competitive. It’s always been a few years away.