Public power utilities depend upon access to capital at favorable rates. So the munis pay special attention when Wall Street rating agencies talk about tinkering with how they establish bond ratings for municipal utility projects. Thus, recent moves by Moody's Investors Service has drawn some fire from public power....

While the vast power of one form of energy below Earth's crust (tectonic plate shifts) doomed the Fukushima nuclear power plant in Japan last March, using another form—heat and steam—is getting renewed attention in the wake of the Japanese meltdown....

The devastation in Japan has focused new attention on supply chain issues and the impact of the partial collapse of that country's manufacturing infrastructure on both Japanese imports and exports....

Although it doesn't get much attention, the world's first and largest source of renewable electricity, water power, is still a major player on the world stage. Though viewed as politically incorrect by some folks, mostly in the developed world, and despite its well-known environmental impacts, using water to turn turbines to generate electricity represents an attractive way to generate electricity with no fuel costs, even in the U.S. Here's what's being talked about in the U.S., India, Turkey, Nigeria, and China....

Uranium remains plentiful around the world, says a new resource study from MIT, obviating the need to "close" the nuclear fuel cycle by reprocessing and developing breeder reactors....