Tanganon Geothermal Plant, Leyte Island, Phillipines by Cepi Budi Mansyur |
There are countries with grids which are almost fully powered by renewables, like Iceland, Costa Rica, and New Zealand, but none of these countries have economies as large, loads as complex, or are as geographically diverse as California. So the lessons learned from these grids may not be applicable to California. Most importantly is how will California accomplish this task responsibly so that carbon emissions are permanently reduced and the future grid saves ratepayers money on their utility bills?