coal
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Legal & Regulatory
Poland Shuns Wind, Doubles Down on Coal-Reliant Future
Poland, a country where hard coal and lignite power plants currently generate about 85% of the power, has passed a law that stymies a wind power expansion and is now mulling draft legislation that will help boost investments in new coal capacity. The eastern European country has bucked the trend toward renewable power that many […]
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Legal & Regulatory
TVA Uses Advanced Technology to Store and Monitor Coal Ash
At 2:45 p.m., Nicholas McClung’s cellphone chirps during a business meeting. He doesn’t bother to look at it; the special chirp says it all. He politely excuses himself from the meeting and rushes to the Tennessee Valley Authority’s (TVA’s) Advanced Technology for Impoundment Monitoring (ATIM) center in the basement of the company’s Chattanooga headquarters. When […]
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Coal
Longview Power Plant Rehabilitation Results in Most Efficient U.S. Coal Plant
We’ve all probably purchased a “lemon”—an item that didn’t work as advertised—but when that lemon is a $2.1 billion power plant, you can’t just return it. For Longview Power’s management team, taking a “belts-and-suspenders” approach to problem-solving allowed them to identify root causes, make changes, and convert their lemon into “lemonade.” Most people expect a […]
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Coal
Huaneng Power’s Changxing Station ZLD Project, China
To satisfy China’s more stringent water use and air pollution rules, developers of the new 1.3-GW ultrasupercritical coal-fired Changxing Power Plant used a novel forward osmosis–based brine concentration
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Legal & Regulatory
Even with Trump, America’s Coal Age Ends in 2016
Now that the political conventions are over and Americans must choose between two presidential candidates, the rhetoric around coal’s future continues to heat up. What neither candidate is telling you, however, is that no matter who is elected in November, no matter what the makeup of the next Congress is, America’s coal age is over. […]
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Power
Colstrip Units 1 and 2 Will Shut Down by 2022
Talen Energy and Puget Sound Energy (PSE), owners of Units 1 and 2 at the Colstrip Power Plant in Montana, have reached an agreement to shut those units down no later than July 2022. The settlement came as a result of a lawsuit brought by the Montana Environmental Information Center and the Sierra Club in […]
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Renewables
China Reportedly Poised to Ban New Coal Plants Through 2018
China is preparing to expand nationwide a ban on new coal plant construction announced in April in an attempt to further rein in overcapacity and boost utilization of renewable energy, according to a report in Australian Financial Review. This spring, China’s National Development and Reform Commission and National Energy Administration suspended or slowed plans for […]
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Legal & Regulatory
Generators Grapple with ELG Implementation
Plant wastewater treatment is not what it once was, and changes in the Environmental Protection Agency’s effluent limitations guidelines (ELG) have added a host of new wrinkles. A panel of power plant experts discussed what plant managers are planning and doing to keep things running smoothly within the new rules. For more than three decades, […]
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O&M
Boiler Tube Failure Thermohydraulic Analysis
Eskom operates 23 power stations in South Africa with a total capacity of more than 42 GW. It supplies about 95% of all the electricity used in the country. One of its coal-fired power stations was experiencing frequent boiler tube fatigue failures in the hopper section—the bottom part of the boiler—of all six units. The […]
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