California was long ago picked clean of its gold, but the state continues to foster a prospector's mentality and a willingness to sift through the swift current of ideas for one more discovery that will further cement its place as the world's center for innovation. Full Story »

Windfall: Wind Energy in America Today, by historian Robert Righter, was recently published by University of Oklahoma Press; it's a follow-up to his 1996 book, a history of the industry through its first commercial boom. As a hearty advocate of wind energy and continued rapid gr... Full Story »

Over the next four years, 5.7 GW of utility-scale solar PV projects is expected to be built in the U.S. and another 1.3 GW in Canada for a total of 7 GW. Both amounts represent a significantly larger volume than what has been installed to date and is expected to be the dominating... Full Story »

Record rainfall, faulty gates and inherent design issues contributed to the July 2010 breach of Iowa's Delhi Dam, investigators found. The overtopping caused the earthen embankment to erode and eventually emptied Lake Delhi, causing millions in property damage. Full Story »

The year 2011 may be remembered in clean energy circles as the moment when India became a major player across several industries. Full Story »

The Obama Administration's $60 billion Loan Guarantee Program (LGP) for renewable energy is considered a failure because of Solyndra, Beacon Power, and potential 2012 bankruptcies. What is not well known is that 75 percent of the program's deployed funds went to relatively low ri... Full Story »

Renewable energy in the United States is at a crossroads. With several federal tax grants set to expire by the end of 2012, utilities are trying to decide if the falling prices of solar and wind technology makes renewable energy competitive enough to invest in despite vanishing f... Full Story »

Concentrated photovoltaics (CPV) is an upcoming renewable market that promises to provide cost-effective power generation at high levels of efficiency. The performance of a CPV system is dependant on the direct normal irradiance (DNI). Because of this major performance parameter,... Full Story »

In recent years, run-of-the-river hydropower projects have emerged as a viable, low-impact alternative to existing large-scale projects. Run-of-the-river facilities use conventional hydropower technology to produce electricity by diverting river flow through turbines that spin g... Full Story »

Solar players on both sides of the Pacific have been warily anticipating the Feb. 13 deadline when the Department of Commerce was set to announce whether it would impose duties on solar cells and modules coming in from China. Full Story »

California was long ago picked clean of its gold, but the state continues to foster a prospector's mentality and a willingness to sift through the swift current of ideas for one more discovery that will further cement its place as the world's center for innovation. Full Story »