Latest
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Renewables
Top Plant: Ashta Hydropower Plant, Shkoder, Albania
Like many small countries, Albania is dependent on a specific generation type for the majority of its electricity. In the case of this mountainous nation of 3 million people, it’s hydropower. Roughly 98% of
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Renewables
Top Plant: Hometown BioEnergy, Le Sueur, Minnesota
We’ve all heard the phrase “one man’s trash is another man’s treasure.” Hometown BioEnergy (HTBE) offers a case in point. The plant uses vegetable-processing waste and livestock manure in an
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Renewables
Top Plant: London Array Offshore Wind Farm, Outer Thames Estuary, UK
In 2001, the year that the world’s largest offshore wind farm was conceived, the outlook for offshore wind was foggy. A paltry 95 MW of capacity had been installed worldwide—mostly in Denmark—and a
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Renewables
Top Plant: Solana Generating Station, Maricopa County, Arizona
The Solana Generating Station ( solana in Spanish means “sunny spot”) is built on a 1,920-acre site near Gila Bend, about an hour’s drive west of Phoenix. According to Abengoa, which owns the facility
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O&M
Wind Turbine Generator Maintenance: What to Expect and Why
Over the past few years, wind generation projects have become prominent features of the North American landscape and of the utility infrastructure. In spite of their variable production load onto the grid
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O&M
Coal-Fired Power Plant Heat Rate Improvement Options, Part 2
In recent years several EPRI projects have explored different aspects of heat rate improvements. This article, following Part 1 in the November 2014 issue of POWER , reviews results of implementing heat rate
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O&M
Assessing and Prioritizing Structural Repairs to Material-Handling Systems
Material-handling systems at coal-fired power plants operate nearly continuously in harsh conditions for decades. Temperatures, moisture, overload conditions, and collisions from equipment can take a toll on
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Coal
Tricky Business: Taking Down Old Coal Plants
Austin, Texas, is one of the hottest real-estate markets in the U.S. One of the prime new properties in the Texas capital is Seaholm, a $130 million project on some eight acres of prime downtown land
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Coal
Construction Considerations Are Key in Closure Planning for Coal Ash Ponds
Closure and remediation solutions for coal ash ponds, or impoundments, vary greatly. Assuming the U.S. Environmental Protection Agency (EPA) promulgates the expected proposed Subtitle D regulations, technical
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Legal & Regulatory
EPA’s Proposed Revisions to Ozone Standards to Cost up to $15B Annually
The Environmental Protection Agency (EPA) on Wednesday proposed to revise the national ambient air quality standards (NAAQS) for ground-level ozone to a range of 65 to 70 parts per billion (ppb) and sought comments on a level as strict as 60 ppb. The proposed level applies to primary (health-based) and secondary (welfare-based) ozone standards, but […]