California's Grid Geeks: Flattening the 'duck curve'

California must build a stable grid in which swinging renewable energy supply matches varying demand. Read More

How to close the energy innovation gap

Even if the Clean Power Plan persists, it can only go so far. Here's why. Read More

Google is just a small slice in the new corporate PPA boom

This chart shows how corporate green power purchases in 2015 are already double the level of 2013. Read More