coal

  • POWER Digest

    China Makes Nuclear Export Gains in Argentina, Romania. As it boosts its domestic nuclear power capacity, China is also snapping up lucrative contracts to build new reactors abroad. This November, China

  • Global Demand for Coal Shrinks

    A slowing of the Chinese economy and the diversification of its power sector, combined with a worldwide trend toward policies that favor renewable energy and the retirement of older, less-efficient coal-fired facilities, trumped growth in India and the ASEAN (Association of Southeast Asian Nations) countries, resulting in a decline in coal consumption in 2014, which […]

  • Political Opposition to Clean Power Plan Looms Large, Experts Say

    The Environmental Protection Agency’s (EPA’s) Clean Power Plan (CPP) is likely to be complicated at least as much by political and legal opposition as by technological challenges in reducing carbon emissions, several speakers at POWER magazine’s inaugural conference on legal issues in the generation industry noted on Dec. 7 in Las Vegas. “Navigating Legal Implications of […]

  • RWE CEO: Conventional Power Role Shifting from Baseload to Renewables Back Up in Europe

    Germany’s largest power generator RWE, following in the footsteps of its competitor E.ON, plans to split its company to bank on renewable energy and grid operations, which it says is the future for utility companies. If approved by RWE’s supervisory board, the Essen-headquartered company that produces more than 40% of its power from hard coal […]

  • Seminole Electric Cooperative Sees Big Challenges from Clean Power Plan

    Florida’s Seminole Electric Cooperative faces what may be the most difficult generation transition in the nation as a result of the Obama administration’s Clean Power Plan. One of the nation’s largest generation and transmission rural electric cooperatives, Seminole owes its origins and its current position primarily to a single coal-fired plant. When electric utility veteran […]

  • Coal Plants Without CCS Can Meet EPA Standards, EPRI Study Says

    Certain types of coal-fired power plants are capable of meeting the 636 kg CO2/MWh emissions limit in the Environmental Protection Agency’s (EPA’s) new source performance standards for new plants without relying on carbon capture and storage (CCS), but doing so will require leveraging cutting-edge technologies to improve efficiency, according to a new study from the Electric […]

  • THE BIG PICTURE: Levelized Cost of Electricity

    Levelized Cost of Electricity

  • Power Giants to Get Federal Funds to Develop Large-Scale Carbon Capture Pilots

    The U.S. Department of Energy (DOE) wants GE to plan and propose a large-scale pilot test of a carbon dioxide capture solution that uses a class of amino silicone compounds used to soften hair or clothing. The

  • India Refocuses Coal Future

    India, the world’s most coal-dependent nation, has over the last few months very publicly shifted its stance on coal power. In October, the country announced its commitment for the upcoming COP21 global

  • U.S. Power Mix: Gas Replacing Coal Faster Than Expected

    Coal has been the dominant source of electricity in the U.S. power mix for more than a century, but that may be coming to an end sooner than expected. For only the second time ever, but also the second time this year, gas generated more electricity in the U.S. than coal. According to statistics from […]

  • TOP PLANTS: Ottumwa Generating Station, Ottumwa, Iowa

    Owner/operator: Interstate Power & Light Co. (a subsidiary of Alliant Energy) and MidAmerican Energy Co. (a subsidiary of Berkshire Hathaway Energy) / Alliant Energy Alliant Energy recently completed a major renovation of the Ottumwa Generating Station to improve air quality, plant reliability, and efficiency. By doing so it also reduced its carbon footprint by ~5.6%.  […]

  • TOP PLANTS: Ramagundam Super Thermal Power Station, Karimnagar, Telangana, India

    Owner/operator: NTPC Ltd. One of NTPC’s first coal-fired facilities, the 2.6-GW Ramagundam plant, is aging well, delivering noteworthy performance metrics that distinguish it from other plants in the state-owned generator’s big coal fleet. For nearly four decades, the 2.6-GW Ramagundam Super Thermal Power Station’s vermillion-banded stacks have towered over the green teak forests of what […]

  • TOP PLANTS: Shanghai Waigaoqiao No. 3, Shanghai, China

    Owner/operator: Shenergy Company Ltd. In a nation seeing breakneck growth in its power sector and a drive toward cleaner, more efficient generation, coal remains the backbone. That means hard work is ahead for China in power sector innovation, and a plant in Shanghai is leading the way. There is no country on earth that has […]

  • TOP PLANTS: Spiritwood Station, Spiritwood, North Dakota

    Owner/operator: Great River Energy Recent news has focused on the decline of the coal-fired power industry, but this highly efficient combined heat and power plant offers one template for keeping coal generation viable. Although electricity markets remain challenging, partnering with steam customers can help stabilize revenue. Combined heat and power (CHP), also known as cogeneration, […]

  • Duke Reaches Final Settlement with North Carolina on Coal Ash

    Duke Energy announced on Sept. 29 that it had agreed to pay a $7 million fine to resolve all groundwater issues with the North Carolina Department of Environmental Quality (NCDEQ) relating to its 14 facilities in the state. The settlement comes after Duke appealed a proposed $25.1 million fine the NCDEQ levied in March. The […]

  • Another Kentucky Coal Plant Shutting Down

    Another coal plant in the heart of coal country is shutting down after Owensboro Municipal Utilities, Kentucky’s largest municipal electric retailer, said it would retire Unit 1 of the Elmer Smith Power Plant in Owensboro some time between 2019 and 2020. The 163-MW Unit 1 opened in 1964. The larger 282-MW Unit 2, which came […]

  • India Approves National Offshore Wind Energy Policy

    A new policy approved by India’s cabinet will simplify its foray into offshore wind power, says a key stakeholder.  The National Offshore Wind Energy Policy approved by the Prime Minister Narendra Modi’s Union Cabinet on Sept. 9 designates the Ministry of New & Renewable Energy (MNRE) as the nodal ministry for use of offshore areas […]

  • Solar and Wind Power Each Surpass Nuclear Generation in Germany Since Mid-Year

    According to data compiled and reported by Fraunhofer-Institut für Solare Energiesysteme ISE—a German-based solar energy research institute—from July 1 through August 5, solar and wind energy produced 6.24 TWh and 7.09 TWh of electricity respectively, compared to 5.94 TWh of nuclear power generation in Germany. Although it’s not the first time wind production has exceeded […]

  • Gas Passes Coal as Top U.S. Power Source

    King Coal has lost his crown—at least temporarily. Electricity generation data from the Energy Information Administration (EIA) for April 2015 showed the U.S. generated 92.5 TWh from natural gas and 88.8 TWh from coal, the first time the nation has gotten the largest share of its power from anything other than coal. That represents a […]

  • Germany Moves to Idle Coal Plants, Set up “Capacity Reserve”

    Five of Germany’s largest lignite power plants will be mothballed to allow the country that is already phasing out nuclear power to meet ambitious climate goals by 2020.  In what it called a “milestone decision,” the government on July 2 agreed to scrap plans to impose a controversial—and by some accounts, illegal—climate tax for conventional […]

  • How the Power Sector Has Changed Since 2001

    A new report from the Government Accountability Office (GAO) reveals surprising aspects about how federal subsidies for electricity have been distributed, how the power generation mix has shifted, and how consumption has transformed since 2001.  The June 29–released report, “Generation Mix has Shifted, and Growth in Consumption has Slowed, Affecting System Operations and Prices,” responds […]

  • China Submits Plans for Reducing Carbon Emissions

    China on June 29 submitted its Intended Nationally Determined Contribution (INDC) for reducing carbon emissions to the United Nations in preparation for the COP21 climate negotiations in Paris later this year. The INDCs are formal pledges toward a hoped-for binding agreement. The Chinese pledge builds on its November agreement with the U.S. In its INDC, […]

  • Metallurgical Aspects of Secondary Combustion on Boiler Pressure Parts

    Controlling combustion in fossil fuel power plants in order to control the emission of pollutants sometimes has adverse effects on plant equipment, including certain metals. To understand how to address the problem, it helps to understand how it develops. The emission of nitrogen oxides, generally referenced as NOx (NO or NO2), has several adverse effects […]

  • Duke Proposes Full Excavation of 12 More Coal Ash Basins

    With plans already approved for the closure of 12 of its coal ash basins, Duke Energy on June 23 recommended the full excavation of 12 additional basins located in North Carolina. The company proposed excavating five basins each at its Cape Fear Plant in Moncure and its H.F. Lee Plant in Goldsboro. Additionally, it recommended […]

  • Typical Causes of Slagging and Fouling Problems in Boilers

    Boiler slagging and fouling, and the resulting frequent operation of sootblowers, are some of the major operations and maintenance factors that can negatively affect power plant reliability and efficiency. Boiler slagging and fouling are among the most common causes of maintenance headaches at coal-fired power plants. Though you cannot totally eliminate the problem, following proper […]

  • Lawmakers Work to Make PRB Coal Less Attractive in Illinois

    A group of Illinois state lawmakers are proposing legislation to discourage the import of Powder River Basin (PRB) coal into the state, making locally mined coal more appealing to power plants. The coal competitiveness plan being proposed would modify regulations that allow electric utilities to pass through the cost of transportation to customers. According to […]

  • EIA: Reports of Coal’s Death May Have Been Greatly Exaggerated

    Electricity generation from existing coal-fired power plants will increase from 2012 levels through 2025, according to the Reference case presented in the U.S. Energy Information Administration’s Annual Energy Outlook 2015, released on April 14. In addition to the Reference case, five alternative cases—Low and High Economic Growth cases, Low and High Oil Price cases, and […]

  • Ohio Nixes Duke Energy Proposal to Guarantee Income from Coal Plants

    As it decided in a February case involving American Electric Power (AEP), the Public Utilities Commission of Ohio (PUCO) has denied Duke Energy Ohio’s request to charge ratepayers for power from two aging coal plants owned by the Ohio Valley Electric Corp. (OVEC).  In an April 2 order, the state regulator approved the Duke Energy […]

  • Poll: Americans Are Not Too Worried About Climate Change, Still Favor Solar, Wind, and Nuclear

    A Gallup poll completed last month found that only 32% of adults in the U.S. worry a “great deal” about global warming or climate change, while 45% worry “only a little” or “not at all.” The survey was taken via telephone interviews conducted during the first week of March using a random sample of 1,025 […]