by Stephen Lacey
November 29, 2016

America’s residential solar market is in the middle of a monumental shift for a couple of reasons.

Solar growth is slowing down, partly because of policy uncertainty and partly because of business-model issues at top national installers. That, in turn, is leading to local installers taking up a greater market share.

Consequently, solar loans and cash purchases are gaining market share, while third-party leases and PPAs are losing ground. Solar is getting cheaper, and loans and cash purchases are more accessible for consumers. Also, local...