Thomas W. Overton
Articles By

Thomas W. Overton

  • World’s Largest Solar PV Plant Commences Operations

    The Agua Caliente Solar Photovoltaic (PV) facility in southern Arizona, currently the world’s largest solar PV plant, completed construction on April 29. The 290-MW project—located between Phoenix and Yuma—is jointly owned by NRG Energy, through its subsidiary NRG Solar, and MidAmerican Solar, a subsidiary of MidAmerican Renewables. The plant will sell its electricity to Pacific […]

  • Report: GE in Talks to Buy Alstom

    General Electric (GE) is in talks to buy Alstom, with the deal being announced as soon as next week, according to a report from Bloomberg News. Citing unnamed sources, the report claims GE may offer more than $13 billion for the French company, which would be about 25% above its current market value. Alstom manufactures […]

  • GAS POWER Direct 04-23-14

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  • Natural Gas Leads 2013 Capacity Additions by Wide Margin

    The U.S. added 6,681 MW of net natural gas-fired capacity in 2013, far outstripping any other generation source, according to Energy Information Administration (EIA) data. This figure represented a substantial drop from 2012, when 9,210 MW of new gas capacity was added, but it still accounted for just over 50% of total additions last year. […]

  • Entergy Louisiana Adding New Unit to New Orleans-Area Plant

    Entergy Louisiana’s Ninemile Point plant has been powering New Orleans and southeast Louisiana since the 1950s. The facility in Westwego, just across the Mississippi River from New Orleans, comprises five dual-fuel boiler units, the oldest of which came online in 1951. The plant currently has just under 2,000 MW of generation capacity in operation. That’s […]

  • China to Ramp Up Nuclear Power, Renewables

    According to reports in the Chinese media, China’s central government is planning to reorient the nation’s energy policy to expedite the construction of new, safer, nuclear power plants and boost the production of green energy. The Chinese National Energy Commission released a statement on Sunday laying out the new direction. China will seek to reform […]

  • Water Shortages Threaten Global Coal Power

    Water stresses in developing countries threaten to derail a massive build-out of coal capacity, according to a new analysis from the World Resources Institute (WRI). The WRI estimates that about 1,400 GW of new coal capacity is being proposed worldwide, and of that, three-quarters of it are in China and India. Unfortunately, much of this […]

  • Germany Moves to Tweak Renewables Law

    The German Cabinet on April 8 approved a list of changes that are intended to put the brakes on spiraling retail energy prices that have Germans paying some of the highest electricity bills in the world. The core of the changes outlined in the draft bill that must still go through the parliamentary process involves […]

  • Photo Essay: Ivanpah CSP Plant Inauguration

    The Ivanpah Solar Electric Generating Station was inaugurated on Feb. 13 in California. Our news story on the launch included several photos, but below are additional shots of the world’s largest concentrating solar power plant taken during the event. —Thomas Overton, JD is a POWER associate editor (@thomas_overton, @POWERmagazine).    

  • Utilities Reach Agreement on San Onofre Closure Costs

    Avoiding what could have been a nasty, expensive fight over costs stemming from the early retirement of the San Onofre Nuclear Generating Station (SONGS) last year, plant co-owners Southern California Edison (SCE) and San Diego Gas & Electric (SDG&E) reached a settlement with the state Office of Ratepayer Advocates on March 27 that will potentially […]

  • Earth Dodged Grid-Destroying Solar Storm in 2012, Says Study

    A massive coronal mass ejection (CME)—commonly known as a solar storm—in July 2012 could have rivaled the worst recorded event from 1859 had it hit the Earth, according to a study published Mar. 18 in Nature Communications. Research at the University of California, Berkeley, and by Chinese scientists into a magnetic storm on July 23, […]

  • GAS POWER Direct Mar 19, 2014

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  • DOE Fuel Cell Barge Project Launching Prototype

    A study by the Sandia National Laboratory last year demonstrated that hydrogen fuel cells mounted on floating barges could potentially provide shore-based power for visiting ships at West Coast ports, substantially reducing emissions from shipboard diesel generators. Now, the U.S. Department of Energy’s Office of Energy Efficiency and Renewable Energy (EERE) and the U.S. Department […]

  • Court Greenlights NRG Acquisition of Edison Mission Energy

    A federal bankruptcy judge in New York gave final approval to Edison Mission Energy’s (EME’s) Chapter 11 reorganization plan on Mar. 11, one that involves the sale of all assets and subsidiaries to NRG Energy for $2.6 billion. The deal—involving 42 plants and 8.9 GW of net generation nationwide—makes NRG the largest merchant plant owner […]

  • ERCOT Says New Gas Plants Will Ease Reserve Margin Concerns

    In its preliminary Seasonal Assessment of Resource Adequacy (SARA) for the summer of 2014, the Electricity Reliability Council of Texas (ERCOT) said that more than 2 GW of new combined cycle plants coming online this summer will “significantly reduce the likelihood of scarcity conditions.” The region has struggled with its reserve margins for years, and […]

  • USEC Files for Bankruptcy Protection

    Maryland-based United States Enrichment Corp. (USEC) formally filed for Chapter 11 bankruptcy protection on Mar. 5. The action has been expected since last December. USEC’s finances have been hammered by persistently low prices and weak demand for low-enriched uranium (LEU), as well by difficulties with a long-delayed project to develop a new centrifuge enrichment technology in […]

  • POWER News Feb 27, 2014

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  • Dan River Ash Spill May Spur Tougher State Oversight, EPA Rules

    The aftermath of two spills from a coal ash storage pond at Duke Energy’s Dan River Steam Station in North Carolina this month, which saw about 35,000 tons of ash flood into the Dan River, may lead to a crackdown by North Carolina state regulators and will likely affect the Environmental Protection Agency’s (EPA’s) decision-making […]

  • Judge Denies Sierra Club Request in Big Brown Coal Plant Lawsuit

    Federal judge Walter S. Smith, Jr. ruled on Feb. 26 that Luminant had not violated the Clean Air Act (CAA) at its Big Brown Power Plant in Freestone County, Tex., as had been claimed in a Sierra Club lawsuit. Filed in May 2012, the lawsuit alleged that from July 2007 to the present certain emissions […]

  • World’s Largest Fuel Cell Plant Opens in South Korea

    The Gyeonggi Green Energy facility, a 59-MW fuel cell park in Hwasung City, South Korea, commenced commercial operation on Feb. 19. The plant consists of 21 2.8-MW hydrogen fuel cells supplied by FuelCell Energy of Danbury, Conn. The 5.1-acre facility in Gyeonggi Province, along the country’s northwest coast, is owned and operated by POSCO Energy, the […]

  • Duke Energy Will Exit Commercial Generation Market in Midwest

    Duke Energy announced on Feb. 17 that it was preparing to sell its interests in 13 power plants in the Midwestern U.S. and exit the commercial generation market in that region. “Our merchant power plants have delivered volatile returns in the challenging competitive market in the Midwest,” said Lynn Good, president, CEO, and vice chairman […]

  • Solar Photovoltaic Growth Driving Changes in California Power Market

    California leads the nation in installed solar photovoltaic (PV) capacity, with almost 150,000 systems large and small in operation and more than 2 GW of total capacity. Worldwide, California would rank 7th in installed solar capacity (PV and thermal) were it a separate country. All that activity is leading to some major changes in the […]

  • GAS POWER 2-19-14

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  • 3D Metal Printing Turbine Replacement Parts Could Cut Repair Times by 90%

    3D metal printing is still an experimental process in nearly all industries, used primarily for prototypes and test products. But if Siemens and GE have their way, it will soon become a standard means of rapidly producing small numbers of industrial parts. Siemens announced in December that it would begin using 3D printing—also known as […]

  • Supply Constraints Plague Winter Gas Power Markets—Again

    Gas market regulators and observers have been warning for several years that the rapid shift toward reliance on natural gas was creating a risk of shortages in the event of unplanned demand shocks. A series of mild winters in the 2010s reduced demand for heating, freeing up supplies and pipeline capacity for power generation. Even […]

  • Ivanpah Launches as the World’s Largest CSP Plant

    The Ivanpah Solar Electric Generating Station, the world’s largest concentrating solar power (CSP) facility, was dedicated Thursday afternoon at a ceremony keynoted by U.S. Secretary of Energy Ernest Moniz. In his remarks, Moniz hailed the Obama administration’s leadership on supporting renewable energy projects. “President Obama and the Department of Energy [DOE] are committed to ensuring […]

  • Exelon May Shutter Some Reactors in 2014

    Some of Exelon Corp.’s 10 nuclear power plants are unprofitable and may need to close in 2014 if “a path to sustainable profits” cannot be found, company President and CEO Chris Crane said in a Feb. 6 conference call to discuss fourth quarter results. Exelon runs the nation’s largest nuclear fleet, operating 17 reactors in […]

  • Duke’s Dan River Station Suffers Coal Ash Spill [UPDATED]

    [Update Feb. 10] Duke Energy workers have succeeded in permanently stopping the leak from its coal ash pond at the Dan River Steam Station, the company reported on Feb. 8. A storm drain under the pond broke on Feb. 2, releasing coal ash and contaminated water into the Dan River. The leak was not plugged […]

  • Obama Nominates Norman Bay to Head FERC

    President Obama has nominated current Federal Energy Regulatory Commission (FERC) Director of Enforcement Norman Bay to head the agency, upon confirmation, replacing Jon Wellinghoff, who left his post in November and jumping him over Acting Chairman Cheryl LaFleur. Bay’s nomination is the second to replace Wellinghoff, who left to join Portland, Ore., law firm Stoel […]

  • GAS POWER Direct Jan 22, 2014

    GAS Power Stay Connected Current Issue | Find a Job | Post a Job Release your turbine’s potential with the most powerful control system available.   Gas Group Warns EU Will Badly Miss 2050 Carbon Emissions Goals Under Current Policies 01.21.2014 | Thomas Overton The European Union (EU) cannot meet its 2050 carbon emissions goals […]