Coal

  • The Cobra Effect of Fly Ash from Coal Power Plants in India

    Have you heard about the cobra effect? During the colonial era, Delhi had a major cobra issue. The then-British government announced a bounty for dead cobras to reduce the number of snakes on the streets. Entrepreneurial spirits rose as people started breeding cobras and offered a dead one on the bounty. Money given on bounty […]

  • FERC Proposal Would Cut Reactive Power Compensation, a Potential Hit to Independent Power Producer’s Revenue Mix

    In a time where capacity revenues are pricing lower and many generation owners find that their facilities are not being dispatched for energy on a consistent basis, reliable revenue streams are increasingly important. In addition to selling energy and capacity, many generation facilities collect fixed, monthly payments for the provision of “reactive power,” which are […]

  • GE Will Support Major South Korean Coal-to-Gas Conversion

    A coal-fired power plant in South Korea will use equipment from GE Vernova’s Gas Power business as the facility switches to burn natural gas as soon as 2027. GE Vernova on April 8 said it would supply a 7HA.02 gas turbine and a H65 generator for Korea Western Power Co.’s (KOWEPO’s) power station in Gongju-si, […]

  • TVA to Replace Iconic Kingston Coal Plant With 1.5-GW Modern Complex

    The Tennessee Valley Authority (TVA) has moved to retire its iconic 1.3-GW Kingston Fossil Plant in Tennessee in 2027 and replace it—with notable urgency—with a 1.5-GW modern complex featuring a combined cycle gas turbine (CCGT) plant, aero-derivative turbines, 100 MW of battery storage, and up to 4 MW of solar generation. The nation’s largest public […]

  • The Big Picture: Coal Controls [Infographic]

    U.S. coal power plant emissions in 2023 showed dramatic reductions in air pollutants, owing mainly to coal plant closures. According to the U.S. Environmental Protection Agency (EPA), compared to 2022, sulfur dioxide emissions fell by 24%, nitrogen oxides (NOx) by 15%, carbon dioxide by 7%, and mercury by 17%. Over the years, coal plants have […]

  • Critical Importance of Annual Turbine Oil Analysis

    Turbines are by far the single most-costly piece of equipment for many energy businesses, which highlights the importance of lubrication for these assets. Although turbine oil could last for more than a

  • India Energy Giant Posts Record Electricity Output, Mostly From Coal

    India’s state-owned energy company NTPC said the company produced a record amount of electricity on an annual basis over the past fiscal year, with the utility’s coal-fired power stations recording a plant load factor, or capacity utilization, of 77%. NTPC, the former National Thermal Power Corp., in a statement published March 31, said it generated […]

  • Germany Shutters Seven More Coal-Fired Power Units

    Two German energy companies said they shut down seven coal-fired power plants over the Easter holiday weekend, taking more than 3,000 MW of generation capacity offline for decommissioning. The German government, which already has called for an end to coal-fired power generation in that country, had allowed the units to continue operating through the winter […]

  • Indiana Utility Will Convert Remaining Coal Units to Burn Natural Gas

    A major Indiana utility said it’s preparing to switch its remaining coal-fired power plant to burn natural gas. AES Indiana on March 12 said the two coal-burning units at its Petersburg Generating Station, in Pike County in southwestern Indiana about 100 miles west of Louisville, Kentucky, would stop using coal and start using natural gas […]

  • U.S. Natural Gas Supplies High, Prices at Record Low

    The winter heating season, which is often defined as November through March in the U.S., is coming to an end with natural gas inventories 37% above the five-year average, according to the U.S. Energy Information Administration (EIA). Reduced consumption in the residential and commercial sectors this winter has been blamed for the high natural gas […]

  • Get Ready For California’s Three Sweeping New Climate Disclosure Laws

    Can a requirement to simply disclose information truly be a big deal? Can a requirement that only applies to big companies, or companies that do business in California, actually impact your small business or your business in another state? Can a requirement that doesn’t take effect until next year or later really require thought and […]

  • EPA Drops Existing Gas-Fired Plants from Contentious Power Plant GHG Rule

    (Updated March 7 with responses from EPA): The U.S. Environmental Protection Agency (EPA) will drop requirements covering existing natural gas-fired power plants in its final Section 111 rule regulating power sector greenhouse gas (GHG) emissions, which is expected in April.  EPA Administrator Michael Regan on Feb. 29 said in a written statement the agency’s rule—which the […]

  • UK’s Drax Eyes U.S. for Bioenergy CCS Expansion Drive

    The 2.6-GW Drax Power Station in northeastern England—once Western Europe’s largest coal-fired power plant—is poised to pioneer bioenergy with carbon capture and storage (BECCS), a negative emissions

  • Coal Continues as Key Part of Japan’s Energy Mix

    Japan’s energy mix is in flux as the country slowly brings idled nuclear reactors online. The 2011 Fukushima disaster upended the nation’s power generation, resulting in more reliance on coal and natural

  • POWER Digest [March 2024]

    Dominion Secures Final Approvals for 2.6-GW Offshore Wind Project. Dominion Energy on Jan. 30 said it received the last two major federal approvals needed to kick off construction of its 2.6-GW Coastal

  • Preparing Steam and Water Analysis Equipment for Summer Heat

    While the effects of extreme summer weather are one thing, even regular summer weather can wreak havoc on steam and water analysis systems (SWAS) without adequate preparation. Summer sunshine and increased temperatures can bring higher heat loads and increased cycling rates that put even more stress on steam and water sampling and related equipment, greatly […]

  • EPA Rolls Out Final, More Stringent PM2.5 Standard

    The U.S. Environmental Protection Agency (EPA) in February issued a final rule imposing tighter restrictions on fine particulate matter (PM2.5) or soot.  The final rule, issued on Feb. 7, strengthens the nation’s National Ambient Air Quality Standards (NAAQS) by lowering the level of the primary (health-based) annual PM2.5 standard from 12.0 micrograms per cubic meter […]

  • Global Domination—China Accounts for Nearly All New Coal-Fired Power Plant Construction

    Data from Global Energy Monitor (GEM), a group that tracks thermal and renewable power generation projects worldwide, shows that China was responsible for construction of 96% of all new coal-fired facilities globally last year, and for almost 70% of all new coal-fueled power plants that came online. GEM, a San Francisco, California-based non-governmental research organization, […]

  • Distributed Antenna System Solves Power Plant Communications Problem

    Collaboration was the main success factor in the deployment of an all-carrier enterprise distributed antenna system (DAS) for a Midwest power plant. The Problem A power plant in the Midwestern U.S. (Figure 1) faced a formidable situation: The obsolescence of 3G cellular technology meant that the plant soon would lose its already unreliable cellular coverage, […]

  • Hydrogen Production Project Moves Forward at Wyoming Coal Plant

    Wyoming officials will help fund a hydrogen generation project that will have coal as its energy source, using carbon capture and sequestration (CCS) along with a chemical looping technology. Babcock & Wilcox (B&W), an Ohio-headquartered group working on technologies to produce cleaner energy, and electric utility Black Hills Energy recently announced the companies have received […]

  • TVA Urges Conservation as Cold Snap Sets All-Time Peak Demand Record

    The Tennessee Valley Authority (TVA) has urged conservation as it grapples with record-high power demand amid extremely cold temperatures and near-zero wind chill over its seven-state region in the Southeast. The federal corporation, a major generator that serves as a regional reliability coordinator, on Jan. 16 said “heavy snow and bitterly cold temperatures” were expected […]

  • Poland Set to End Coal-Fired Power Generation

    Poland’s top climate official said the country is preparing to set a date for a complete phase-out of coal-fired power generation, just months after the nation elected a new government that has pledged to support environmental policies of the European Union (EU). Poland, which currently receives about 70% of its electricity from burning coal, and […]

  • PJM Urges Delayed Retirement of 840-MW Fossil Fuel Power Plant, Citing Reliability Impacts

    PJM has urged Talen Energy to delay its deactivation of two of four units at the 840-MW coal, oil, and gas–fired Herbert A. Wagner Generating Station in Maryland until transmission upgrades are put into service around 2028. The nation’s largest regional transmission organization (RTO) on Jan. 10 said it informed Talen that the deactivation of […]

  • A Proactive Approach to Treating Varnish Can Prevent Significant Downtime at Plants

    Varnish is one of the most widespread issues in power plants. It’s the hard, oil-insoluble organic residue that cannot be easily removed from mechanical components. It typically occurs in turbines or compressors due to extreme temperatures, disrupting plant operations and causing downtime, which ultimately leads to revenue losses. When varnish forms on a critical piece […]

  • China Increasing Coal Use to Produce Ethanol

    State-run media in China reported that a facility there has begun testing production of ethanol through the use of coal, rather than using crops such as corn or sugar cane to make the fuel. The plant in southeastern China, with an annual production capacity of 600,000 metric tons, is said to be the world’s largest […]

  • A Multi-Dimensional Crisis: Six Global Power Sector Trends to Watch

    Fifty years after the first global oil shock in 1973, the world’s energy sector is again facing high geopolitical tensions and uncertainty—though this time around, “pressures are coming from multiple

  • Carbon-Free Energy Is the Name of the Game: Renewables, Nuclear Poised for Growth

    Solar, wind, and nuclear power, as well as battery storage systems, are the obvious winners as the world aims to decarbonize energy systems. It shouldn’t be a surprise to anyone who has been following trends

  • POWER Digest [January 2024]

    Azerbaijan’s First Utility-Scale Solar Project Online. Officials in Azerbaijan in November announced the country’s first and largest utility-scale solar photovoltaic power plant is now operating. The

  • Optimizing Turbine Repair Resources

    Steam turbines are used in many applications on various scales to drive equipment such as pumps, compressors, and generators. Routine maintenance, as laid out by the original equipment manufacturer (OEM) is

  • A Review of Air Quality Rules and a Look at 2024

    Federal regulators in 2023 proposed a variety of new air quality rules, and 2024 is likely to see these proposals become final and enforceable. Here’s a look at the past year, and a look ahead at the major