Aaron Larson
Articles By

Aaron Larson

  • European Power Markets Force Changes at RWE, E.ON, and Vattenfall

    Persistently low prices on the wholesale electricity market are forcing RWE—the third-largest electricity provider in Europe, serving 16 million customers—to consider dismantling some gas-fired power plants and shipping them abroad, Dr. Rolf Martin Schmitz, RWE’s COO, told Reuters in an interview. The German-based company has been struggling for awhile. In August 2014, RWE announced that […]

  • U.S. Electric Utility Toxic Releases Decrease 49% During the Past Decade

    On Jan. 14, the Environmental Protection Agency (EPA) published its Toxics Release Inventory (TRI) report for 2013 showing that electric utilities have cut toxic releases to the environment 49% since 2003. The drop was driven by a 73% decline in on-site toxic air releases as a result of a decrease in hazardous air pollutants (HAP) […]

  • Agreements Solve Power Problem in Michigan, Move Wisconsin Energy’s Acquisition of Integrys Forward

    Michigan Gov. Rick Snyder announced a series of deals designed to eliminate a costly utility rate payment in the state’s Upper Peninsula (UP), while providing long-term, cost-effective energy reliability for the region. The solution was developed through four principle agreements. In one, the electric utility businesses now owned by We Energies and Integrys (doing business […]

  • E.ON Agrees to Sell Italian Coal and Gas Power Generation Assets

    Düsseldorf, Germany–based energy supplier E.ON announced on Jan. 12 that it would sell its Italian coal and gas generation assets to Energetický a Průmyslový Holding (EPH), a Czech energy company. E.ON has been looking for a suitor for the Italian operations since at least Nov. 30 when it announced it was embarking on a new […]

  • Westinghouse and Bechtel Team to Pursue Nuclear Decommissioning Work

    Two giants in the power industry—Westinghouse Electric Co. and Bechtel Corp.—have formed an alliance to provide decontamination, decommissioning, and remediation services to U.S. commercial nuclear power plants. The alliance is expected to provide a full range of services, including pre-shutdown planning, characterization, decontamination, licensing, project development and management, dismantling, demolition, waste handling, and site closeout. […]

  • AEP Looks to Sell Merchant Coal Fleet

    According to a story first reported by Amanda Levin of TheStreet.com, American Electric Power Co. (AEP) has retained the services of Goldman, Sachs & Co. in an effort to unload its 7,923-MW merchant generation fleet. AEP—headquartered in Columbus, Ohio—is one of the largest electric utilities in the U.S., serving over five million customers in 11 […]

  • COAL POWER Direct—Jan. 7, 2015

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  • POWERnews—Dec. 31, 2014

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  • Vermont Yankee Nuclear Power Plant Shuts Down for the Last Time

    Operators at Entergy’s Vermont Yankee Nuclear Power Station (VY) took the plant offline permanently on Dec. 29 at 12:12 p.m. EST, ending a 42-year operational history. The shutdown is the first step in what is expected to be a decades-long decommissioning process for the plant. VY follows several other nuclear plants that have begun the […]

  • Burns to Replace Macfarlane as NRC Chairman

    The Nuclear Regulatory Commission (NRC) announced on Dec. 23 that Stephen G. Burns will replace Allison Macfarlane as chairman, effective Jan. 1, 2015. Burns, a 33-year veteran of the agency—became a commissioner in November. He began his career at the NRC as an attorney in the Regional Operations and Enforcement division in 1978, later serving […]

  • Korea Hydro and Nuclear Power Co. Hacked

    Computer systems at Korea Hydro and Nuclear Power Co. (KHNP)—the operator of South Korea’s 23 commercial nuclear reactors—were hacked and information divulged via blog posts and posts on Twitter, according to the company. The first leaks on Dec. 15 were of personal information obtained from some of the 10,799 employees of the company, but later […]

  • Video: A Novel Phosphorus-Free Cooling Water Treatment Solution

    POWER Associate Editor Aaron Larson recently interviewed LaMarr Barnes, vice president of marketing and business development for U.S. Water Services Inc. U.S. Water is a Minnesota-based integrated water treatment solutions provider that has developed a phosphorus-free cooling water treatment solution, which may be beneficial for power generation companies. Many power plants add phosphate-based treatments to […]

  • Nuclear Power Plant Shuts Down Due to Leak

    PPL Corp. made the decision on Dec. 13 to take Unit 1 at its Susquehanna nuclear power plant offline due to a small water leak inside the plant’s reactor containment. The water leak is reported to be “well within” the plant’s limits for continued safe operation, but the company chose to shut down as a […]

  • COAL POWER Direct—Dec. 12, 2014

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  • Two Leading Renewable Energy Companies Agree to Combine

    NextEra Energy Inc. and Hawaiian Electric Industries Inc. (HEI)—two companies with substantial renewable energy resources—agreed on Dec. 3 to combine in a transaction valued at roughly $4.3 billion. Currently, NextEra Energy’s principal subsidiaries include Florida Power & Light Co. (the third-largest electric utility in the U.S.), and NextEra Energy Resources (North America’s largest producer of […]

  • Diablo Canyon Nuclear Plant: Solid as a Rock or Ready to Crumble?

    Although the official title of the U.S. Senate Environment and Public Works Committee hearing on Dec. 3 was “[Nuclear Regulatory Commission’s] Implementation of the Fukushima Near-T­erm Task Force Recommendations and other Actions to Enhance and Maintain Nuclear Safety,” much of the testimony focused on possible seismic problems in and around the Diablo Canyon nuclear power […]

  • E.ON to Spin Off Its Power Generation Business

    E.ON—a major investor-owned energy supplier that manages facilities across Europe, Russia, North America, Brazil, and Turkey—announced this week that it will embark on a new corporate strategy focused on renewables, distribution networks, and customer solutions, while combining its power generation, global energy trading, and exploration and production businesses into a new, independent company. “We are […]

  • EPA’s Proposed Revisions to Ozone Standards to Cost up to $15B Annually

    The Environmental Protection Agency (EPA) on Wednesday proposed to revise the national ambient air quality standards (NAAQS) for ground-level ozone to a range of 65 to 70 parts per billion (ppb) and sought comments on a level as strict as 60 ppb. The proposed level applies to primary (health-based) and secondary (welfare-based) ozone standards, but […]

  • Power Sector Fossil Fuel Revenues Decrease While Renewable Energy Grows Rapidly

    The U.S. Census Bureau released data on Nov. 18 showing that revenues for electric power generation industries that use renewable energy resources grew 49% from 2007 to 2012, while fossil fuel electric power generation industry revenues decreased 6.7% during the same time period. Fossil fuel revenues continued to dwarf renewable totals, bringing in $79.7 billion […]

  • Bechtel and Siemens Team to Build Virginia Combined Cycle Power Plant

    Panda Power Funds awarded the engineering, procurement, and construction contract for a 778-MW combined cycle power plant to a turnkey consortium of Bechtel and Siemens Energy Inc. The Panda Stonewall generating station will be located in Loudoun County, Va., on a 101-acre site about four miles southeast of Leesburg. It is the sixth order awarded […]

  • Environmental Group Alleges TVA Coal Ash Pollution Is Leaking Into River

    The Southern Environmental Law Center (SELC) informed the Tennessee Valley Authority (TVA) on Nov. 10 that it intends to bring suit under the Clean Water Act to stop the release of coal ash pollutants it says are leaking from the TVA’s Gallatin coal ash ponds into the Cumberland River. Gallatin Fossil Plant is a four-unit […]

  • COAL POWER Direct—Nov. 12, 2014

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  • Point Level Capacitance Switch for Fly Ash Hopper Measurement

    If you’re the person tasked with controlling the level of fly ash in collection hoppers, you know how difficult the application can be. What at first looks like a simple measurement quickly proves to be much more demanding in actual execution. The first problem is the environment inside the collection hoppers, which is extremely challenging […]

  • Nuclear Plants on the Edge Could Benefit from Clean Power Plan

    A couple of recently released reports offer some hope for the future of nuclear power plants operating on the fringe of profitability. Moody’s Investors Service suggests that the U.S. Environmental Protection Agency’s (EPA’s) Clean Power Plan “could increase the value of nuclear power as a non-carbon emitting generation source.” In its report, “Environmental Mandates and […]

  • Advanced Coal-Fired Combined Heat and Power Plant Begins Operation in U.S.

    Great River Energy’s (GRE’s) Spiritwood Station began commercial operation on Nov. 1. The plant—located about 10 miles east of Jamestown, N.D.—is a combined-heat-and-power plant that can generate up to 99 MW of electricity, depending on the amount of steam being supplied to its partner facilities. The station is expected to be about 60% efficient while […]

  • ERCOT Concerned, Faces Power Shortages in Lower Rio Grande Valley

    The Electric Reliability Council of Texas (ERCOT) completed an evaluation of a plan to export power to Mexico from the Frontera Generation Station, located in Mission, Texas. Although the results indicated that the power system could operate effectively during normal conditions without Frontera’s capacity, ERCOT says it has concerns with power supply sufficiency and transmission […]

  • EPA Releases Additional Information on Clean Power Plan

    The U.S. Environmental Protection Agency (EPA) has released a notice of data availability (NODA)—making additional information and ideas available for public comment—and it has also proposed carbon goals for areas in Indian Country and U.S. territories. Janet McCabe, acting assistant administrator for the EPA’s Office of Air and Radiation, explained the two actions related to […]

  • EC Agrees on 2030 Climate and Energy Policy Framework

    Meeting in Brussels, Belgium, Oct. 23–24, the European Council (EC) agreed on the 2030 climate and energy policy framework for the European Union (EU), calling on all countries to come forward with ambitious targets and policies. The EC endorsed a binding EU target of at least a 40% reduction in domestic greenhouse gas emissions by […]

  • NRC Chairman Macfarlane Stepping Down

    Allison M. Macfarlane, chairman of the Nuclear Regulatory Commission (NRC), announced on Oct. 21 that she will leave the NRC effective Jan. 1, 2015, to take a position at George Washington University. Macfarlane took over the chair in July 2012—completing the last year of Dr. Gregory Jaczko’s term—and was confirmed for a second term in […]

  • Cooling Tower Fire Takes Down UK Power Plant

    A fire broke out in one of Didcot B power station’s cooling tower modules on the evening of Oct. 19, resulting in the shutdown of one of the plant’s two units. RWE Generation said that no RWE personnel or emergency services responders were injured during the incident, and that all employees have been accounted for. […]