A mandate from the Golden State to hook up new buildings to renewable power opens a path for ideas about financing energy upgrades in the vastly higher stock of buildings already in use.
Through a partnership with the Connecticut
, the Louisiana-based company PosiGen is able to include energy efficiency improvements with all of its solar installations.
A steep global decline in the price of solar modules in recent weeks is nearly offsetting the effect of the Trump administration’s 30 percent tariff on imported panels, the chief executive of a major United States solar company said.
