There are two commonly referenced measures of market price uncertainty: historical volatility and implied volatility. Historical volatility measures how much prices have varied in the past, and implied volatility uses options prices […]
The municipal bond–power purchase agreement (PPA) model might not have just rolled off the lot, but it still has that new car smell. A former NREL colleague first looked into this unique […]
Property-assessed clean energy (PACE) finance is alive and well in California, where a brand-new PACE program has debuted with the initial participation of an unprecedented 14 counties and 126 cities. The CaliforniaFIRST […]
International crude oil and liquefied fuels movements depend on reliable transport through key chokepoints. In 2011, total world crude oil and liquefied fuels consumption amounted to approximately 88 million barrels per day […]
Prolonged drought can affect power plants that rely on large volumes of fresh water for a variety of reasons. Though there have been few reported problems this year, lower water levels are […]
There has been a lot of dialogue on this site about the future of solar financing and the tax treatment of various solar financing scenarios, and we at the Solar Energy Industries […]
Batteries fail—as certainly as death and taxes. Rechargeable batteries at least offer the possibility of repeating the cycle, so are in this sense more like recurrent taxes than death. But alas, the […]
The U.S. Department of Agriculture (USDA) has reported a significant rise in the proportion of poor and very poor corn crops this summer, due largely to the extreme drought across much of […]
A geothermal power plant can deliver electricity day or night and help California utilities meet the state’s renewable energy mandate. But geothermal energy developers in California are feeling a bit left out […]
The Case for Energy Efficiency – William Pentland – Forbes.
Prometheus Institute 