Have U.S. wind projects hit a size sweet spot? While average project capacity continues to grow, it’s largely because of increasing turbine size rather than...
Last week the Colorado PUC released draft rules for the Community Solar Gardens created under a 2010 state law. We discussed the legislation in detail...
Concentrating solar typically fills people energy nerds with visions of large fields of mirrors focusing sunlight to make heat/steam/electricity, but concentration technology is also available...
Craig Morris has a thorough discussion of why feed-in tariffs (CLEAN Contracts) and other renewable energy policies are still necessary even when renewables get to...
Currently, Minnesota’s public schools spend approximately $84 million per year on electricity costs, money diverted from the classroom. But a bill to make clean, local...
The solution to the variability of solar power is more solar. It’s true that individual solar power plants can experience significant variation in power output,...
February 9, 2011 Dear Members of Congress: On behalf of the nation’s counties, cities and towns, we urge Congress to support legislation that clearly affirms...
Vermont’s Standard Offer: The Stories We want a Vermont powered by clean, homegrown energy that doesn’t create radioactive waste or wreck our planet’s climate, and...
A new report about electric grid deregulation in Texas shows (yet again) that deregulation of electricity leads to much higher ratepayer costs: In 2009, the...
A new report from SunRun recently revealed that permitting can significantly increase the cost of residential solar PV projects, adding as much as 20 percent...
In the 1930s we expanded the concept of a public good and a public asset to the idea of social insurance, enacting programs like unemployment...
Updated 3 PM: Preliminary numbers had suggested that Southern California Edison’s distributed rooftop solar PV purchase would be among the most cost-effective solar projects in...
Can a state with a renewable energy mandate require green jobs to stay at home? Litigation has made states into tepid defenders of their job...
Over 30 U.S. states mandate renewable energy and are willing to pay higher prices for clean electricity. But most states lack a jobs and economic...
Last week we noted how distributed (solar PV) generation scales, highlighting the 3,000 megawatts of solar PV that Germany installed in 2009, over 80% on...