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Power


Monthly Issue | September 15, 2008

Wet surface air coolers minimize water use by maximizing heat transfer efficiency

The cooling needs of thermoelectric power plants account for a significant amount of freshwater use in the U.S. The future promises increased competition for that water from agricultural, residential, and…


Air-cooled condensers eliminate plant water use

Many plants are being forced by changing environmental laws and public pressure to retrofit existing power generating facilities to closed-circuit cooling water systems or even dry cooling options rather than…


Map of natural gas power plants in the United States by nameplate capacity and total production costs


Port Washington Generating Station, Phase 2, Port Washington, Wisconsin

Port Washington Generating Station (PWGS) is two for two. Phase 1, placed into commercial service in July 2005, was a POWER Top Plant. So, too, is Phase 2, the second…


Kårstø Power Plant, Stavanger, Norway

Known for its beautiful glaciers, fjords, and mountains, Norway is a country of contradictions, especially when it comes to its citizens’ attitude toward energy. On one hand, many Norwegians support…


High Bridge Combined Cycle Project St. Paul, Minnesota

This May, when Xcel Energy’s High Bridge Combined Cycle Project entered commercial service, it marked the end of an era in St. Paul, Minn. The new 570-MW natural gas-fired plant,…


Frank A. Tracy Combined Cycle Plant, Reno, Nevada

Nevada returned to the top spot of the U.S. Census Bureau’s list of fastest growing states in 2007, posting a 2.9% increase in residents. It was the fastest-growing state in…


Bugok II Power Plant, Dangjin County, South Korea

South Korea is steadily muscling its way into the big league when it comes to leading world economies: It currently ranks 13th. The country, which is officially known as the…


Prop 7: California’s illusory promotion of renewable power

This November, as part of California’s eclectic version of participatory democracy, its residents will vote on whether to amend the Solar and Clean Energy Act of 2008. Proposition No. 7…


Focus on O&M (September 2008)

WATER TREATMENT Tackling substandard water sources Boiler and cooling tower feedwater typically must be softened prior to use, usually with well-established processes for reducing water hardness. A growing problem for many…


Global Monitor (September 2008)

Cost hikes for all things nuclear in the U.S. and UK This August, the U.S. Department of Energy said a revised estimate of the cost to plan, build, and operate…


Gore knows best

Al Gore, self-appointed father of the climate change movement, astonished his most ardent supporters with a plan to produce 100% of the nation’s electricity from renewable energy and carbon-free sources…


For the center to hold

As oil prices soar and power prices threaten to follow, our republic’s mix of diverse cultural and economic interests must cooperate to achieve our common goal of energy self-sufficiency. Those…


Deaerator degradation: Managing remaining life and component replacement

Oxygen levels in just parts per billion dissolved in the feedwater stream for boilers and heat-recovery steam generators (HRSGs) can cause pitting and reduce the operating life of steam cycle…


Put a lid on rising chemical costs

If you have talked with your plant chemist or chemical provider lately, you are probably aware that prices for many of the chemicals used by generating plants have steadily risen…


EPA’s air program: Still hazy after all these years

Even though the U.S. Environmental Protection Agency (EPA) is now CAIR-free, a lot of folks at the agency’s air quality program aren’t very happy. The federal court decision issued on…


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