Power

Monthly Issue | April 1, 2010

From GHG to Useful Materials
From GHG to Useful Materials

Could the transformation of carbon dioxide (CO2) into carbonates and oxides solve the problem of greenhouse gas emissions (GHG) from fossil-fired power plants? Some companies are betting that such processes…


Marines Get Power from Waves
Marines Get Power from Waves

Ocean Power Technologies Inc. (OPT) announced on Feb. 1 that it had successfully deployed one of its PowerBuoy wave energy devices about a mile offshore from a U.S. Marine Corps…


What’s Bugging Me

I’m often asked about my source of ideas for this space each month. I have two primary sources of subject material. First, I read the industry news every day and…


POWER Digest (April 2010)

Siemens Hands Over 870-MW Dutch Gas Plant. Siemens Energy on Feb. 12 handed over the 870-MW Sloecentrale combined-cycle power plant to the joint venture of Dutch company Delta Energy and…


Dish Stirling Solar Plant Debuts
Dish Stirling Solar Plant Debuts

In late January, a 1.5-MW concentrating solar power (CSP) plant began providing power to Salt River Project customers in Greater Phoenix, Ariz. Though small, the plant, developed by Tessera Solar…


Competitive Maintenance Strategies, Part II

Nearly every combined-cycle operator recognizes that cycling reduces the life expectancy of hot-gas-path components in combustion turbines. Often overlooked, however, is that the same phenomenon affects the heat-recovery steam generator…


Deciphering Desuperheater Failures

The "combined" portion of a combined-cycle plant is the heat-recovery steam generator (HRSG) that generates high-pressure and high-temperature steam and the steam turbine generator that expands the steam to produce…