Coal

  • Despite Policy Shifts, China Faces Huge Coal-Fired Overcapacity

    China’s once-booming coal power sector is facing an existential challenge as continued breakneck expansion of new capacity is colliding with flattened growth in power demand, despite increasingly strenuous government efforts to put the brakes on new construction. According to a pair of new studies, China’s overcapacity in coal-fired generation could reach a staggering 400 GW […]

  • 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 […]

  • Dusseldorf’s Lausward Power Plant Fortuna Unit Wins POWER’s Highest Award

    Düsseldorf’s new “Block Fortuna” at the Lausward Power Plant, owned by municipal utility Stadtwerke Düsseldorf, is setting records and giving Germany’s coal-fired power plants some much-needed competition for backing up the nation’s large percentage of variable renewable power. Germany’s Energiewende (literally, “energy turn”) functions as something of a living laboratory, where innovation equals survival, because […]

  • 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 […]

  • 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

  • Southern Company Bets Big

    Southern Co., one of the nation’s largest investor-owned utilities, appears torn between enormous recent investments in advanced coal and nuclear technologies—the company’s successful strategy in the past—and a competing sense that natural gas and distributed energy might be the company’s ultimate future. The Southern Company, based in Atlanta, Ga., is a regional utility behemoth, mostly […]

  • Indian Water Crisis Shuts Down Multiple Power Plants

    A severe water crisis gripping India this year has forced several of the country’s hydroelectric and thermal power plants to shut down. At least 10 of India’s 29 states have been stricken by severe drought after the monsoons failed for two seasons in a row (as of the start of July, the monsoons had still […]

  • 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 […]

  • 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. […]

  • 2016 Power and Utilities Deals Are Outpacing Previous Three Full Years

    Power and utility deals through Q2 2016 are already outstripping full-year totals for previous three years.

  • Exelon, America’s Leading Nuclear Generator, Keeps the Faith on Nukes

    The U.S. nuclear power business is in trouble, and Exelon has six units totaling more than 5,300 MW of dependable capacity on the chopping block. How will the Chicago electricity giant respond? Perhaps by acquiring more merchant nuclear capacity?

  • FirstEnergy Moves to Deactivate Two Embattled Ohio Coal Plants

    FirstEnergy Corp. will sell or deactivate 856 MW of coal-fired generation to reduce fleet operating costs. The company announced on July 22 that it plans to sell or deactivate the 136-MW Bay Shore Unit 1 in Oregon, Ohio, by October 2020. In addition, Units 1–4 (totaling 720 MW of capacity) at the company’s seven-unit W.H. […]

  • Sulzer Service Solutions

    Sulzer is the leading worldwide, independent service provider for the repair and maintenance of large rotating machines including turbomachinery, pumps and electro-mechanical equipment. With a global network of technically advanced remanufacturing and test facilities, Sulzer offers a collaborative advantage that delivers high-quality, cost-effective, customized and turnkey solutions, providing its customers with the peace-of-mind to focus

  • Federal Court Stays EPA’s Regional Haze Rule

    A federal appeals court has stayed a regional haze rule finalized by the Environmental Protection Agency (EPA) earlier this year that had threatened to close up to 8.4 GW of coal-fired power capacity in Texas. In a unanimous ruling on July 15, the U.S. Court of Appeals for the Fifth Circuit granted a motion for […]

  • Amid Scrutiny, Kemper IGCC Project Marks Big Syngas Production Milestone

    Southern Co.’s Kemper County energy facility—the only carbon capture and storage (CCS) integrated gasification combined cycle (IGCC) power plant that is under construction—is producing syngas using lignite. The plant marked its most significant milestone to date on July 14, said Southern Co.’s Mississippi Power. It means that the first-of-its-kind technology to convert locally mined lignite […]

  • 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 […]

  • Red and green to grey — Why switch my HMI?

    Many operators are perfectly happy with their trusty red and green HMIs and can’t imagine why they should give them up for a dull greyscale display. When they take a closer look, they usually find out that grey is beautiful.

  • Obama Administration’s Environmental Rules to Leave Lasting Legacy on Power Sector, Markets

    Witnesses at a Congressional hearing raised concerns about the complexity, costs, legality, and feasibility of the 3,900 final rules published by the Environmental Protection Agency (EPA) during the Obama administration. A large portion of those rules affect the power sector, but none are more contentious than the Clean Power Plan, regulatory and citizen interest experts […]

  • Lightning a Suspected Contributor to Power Plant Fire

    A large fire at the Grand River Dam Authority’s (GRDA’s) Chouteau, Okla., coal-fired power plant was triggered by a string of unfortunate events shortly after a storm passed through the region on July 1. Justin Alberty, GRDA corporate communications director, told POWER that the fire started at around 7 p.m. that night. He said GRDA […]

  • China’s Coal Industry: Status and Outlook

    The years between 2002 and 2012 are called Golden Decade for the coal industry in China. After May 2012, the coal industry fell into depression. In the Golden Decade, a large amount of social capital inflow

  • 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, […]

  • POWER Digest

    Fuel Loading Begins at Kudankulam 2. Nuclear Power Corp. of India (NPCIL) began loading the first of 163 fuel assemblies into the core of the second VVER-1000 reactor of the Kudankulam nuclear power plant in Tamil Nadu, India, on May 11. The 1,000-MW unit will begin generating power pending approval from the Atomic Energy Regulatory […]

  • Employing Fuel Cells for Carbon Capture

    Fuel cells are a rapidly expanding option for distributed generation, with fuel cell–based power plants now being deployed in capacities into tens of megawatts (see “59-MW Fuel Cell Park Opening Heralds

  • 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 […]

  • Simplify MATS Compliance with Particulate Matter Continuous Emission Monitors

    Now that power plant operators have some experience under their belts related to Mercury and Air Toxics Standards (MATS) compliance, it’s time to reevaluate the options for demonstrating compliance. Starting

  • Circulating Fluidized Bed Dry Scrubber Effectively Reduces Emissions

    When owners of the Big Stone Plant researched air quality control system technology, they considered all available options and eventually settled on a design that was not in widespread use. Now that the

  • PRB Coal Users’ Group Plant of the Year: Ameren’s Rush Island Energy Center

    Rush Island Energy Center has successfully fired Powder River Basin (PRB) coal for two decades, as proven by the plant’s excellent performance stats, dedication to minimizing its environmental footprint, and sterling safety record. The PRB Coal Users’ Group top award recognizes the plant staff’s long-term dedication to continuously improving its safe handling and efficient combustion […]

  • The Coal Refuse Dilemma: Burning Coal for Environmental Benefits

    The niche alternative energy industry that generates power from hazardous piles of coal waste that litter the U.S. is facing an environmental Catch-22. The torrent of coal mined and processed in the U.S. since

  • Understanding and Mitigating Metallurgical Effects of Coal Blending and Switching

    Fuel blending and switching has become the norm in response to regulatory and market forces, but many older boilers were designed for a particular fuel. Understanding the effects of different fuels on