Month: August 2011

How Old Are US Power Plants?

According to the U.S. Energy Information Administration (EIA), about 530 gigawatts, or 51% of all generating capacity, were at least 30 years old at the end of 2010. The U.S. fleet of electric power generators has a very wide range of ages, dependent on technology type.

Gas is Greener? Smearing Renewables Over Land Use Exposes Ignorance of Fossil Fuel Lovers

A recent column in the New York Times suggested that land use is the greatest environmental problem facing new renewable energy. While getting the facts terribly wrong, it opens a door to talk about the advantages of distributed generation rather than large, central-station power generation. A prime example is a unique proposal by Republic Solar Highways to put solar PV on highway right-of-way in California.

UTC Hydrogen Fuel Cell Sets Performance Record on Oakland AC Transit Hybrid Electric Bus

A hydrogen fuel cell-powered hybrid electric bus supplied by UTC Power for the Alameda-Contra Costa Transit District has set a performance record by operating for over 10,000 hours. The milestone is another step toward reducing the life cycle cost of hydrogen fuel cell-powered vehicles, which produce zero emissions and are more than 50% efficient in terms of converting energy to power.