Aaron Larson
Articles By

Aaron Larson

  • Five Power Plants to Change Hands in Four Separate Deals

    Within the space of less than a week, four deals have been announced that will result in ownership changes at five power plants in the U.S. Northeast. Calpine Buys Another Gas Plant Calpine Corp. announced on Oct. 13 that it has agreed to acquire the Granite Ridge Energy Center, a 745-MW combined cycle gas-fired power […]

  • GE Hitachi’s ESBWR Nuclear Reactor Gains Some Industry Support

    GE Hitachi Nuclear Energy (GEH) and DTE Energy announced plans to explore advancing the detailed design of the Economic Simplified Boiling Water Reactor (ESBWR). According to GEH, the ESBWR is the world’s safest approved nuclear reactor design based on core damage frequency. The reactor has advanced passive safety systems, and is designed to cool itself […]

  • COAL POWER Direct—Oct. 7, 2015

    Coal Power Current Issue | Find a Job | Post a Job EPA Finalizes Steam Electric Power Plant Effluent Guidelines The Environmental Protection Agency (EPA) has finalized revisions to technology-based effluent limitations guidelines and standards, setting the first federal limits on the levels of toxic metals in wastewater discharges from steam electric power plants.  The […]
  • Xcel to Retire Two Units at Its Largest Coal-Fired Plant

    Xcel Energy said on Oct. 2 that the company would accelerate its transition from coal power to cleaner energy sources by retiring two units at its Sherburne County Generating Plant (Sherco) in Becker, Minn. The decision is part of the company’s strategy to cut carbon emissions 60% by 2030. The Sherco plant is Xcel’s largest […]

  • Senators Cite Conflicting Polls and Studies During Environmental Hearing

    An old saying often attributed to Mark Twain is, “Figures don’t lie, but liars figure.” Listening to the conflicting information presented by a variety of senators during a hearing on Capitol Hill Sept. 29, one has to wonder if Twain was covering a Senate hearing when he penned the phrase. The only witness at the […]

  • U.S. Nuclear Plants Are Operating Better than Ever

    The nation’s nuclear fleet has performed impressively through the first eight months of 2015. Plant outages averaged less than 3% of total U.S. nuclear capacity during the all-important peak summer season this year—from June through August. The result is far better than even the lowest range of data from any of the past five years. […]

  • NRC Investigates Control Valve Failures at Callaway Nuclear Plant

    The Nuclear Regulatory Commission (NRC) announced on Sept. 21 that it has begun a special inspection at the Callaway nuclear plant in Fulton, Mo., to investigate the failure of three of four control valves that regulate water flow to the plant’s steam generators. The review follows a reactor trip that occurred on August 11. According […]

  • Duke Energy Settles with Groups Over Edwardsport Operating Costs

    Duke Energy Indiana reached a settlement agreement with some of the state’s key consumer groups related to operating costs at its Edwardsport integrated gasification combined cycle (IGCC) coal power plant. The deal was submitted to state regulators on Sept. 18 and is subject to Indiana Utility Regulatory Commission (IURC) approval. If approved, it would resolve […]

  • Threats to Electric Power Grid Could Result in “Black Sky Days”

    The societal impact of a “Black Sky Day”—a term used by electric infrastructure security experts when discussing a collapse of the North American power grid—would be devastating, according to Dr. Daniel Baker, distinguished professor of Planetary and Space Physics at the University of Colorado, Boulder. Baker testified before two subcommittees of the U.S. House of […]

  • Lawmakers Press for Smaller, More Efficient NRC

    Some members of the U.S. House of Representatives feel the Nuclear Regulatory Commission (NRC) needs to appropriately align its budget and staffing levels with the organization’s workload. That message was delivered to the agency’s commissioners during the Subcommittee on Energy and Power and the Subcommittee on Environment and the Economy joint oversight hearing held on […]

  • Nuclear Power’s Future Is Still Bright, According to IAEA Report

    A study released today by the International Atomic Energy Agency (IAEA) suggests that the world’s nuclear power generating capacity will continue growing through at least 2030. The projected growth varies widely due to uncertainty surrounding energy policy, license renewals, permanent retirements, and future construction, but even the “low case” sees nuclear capacity increasing 2.4% by […]

  • COAL POWER Direct—Sept. 9, 2015

      Current Issue | Find a Job | Post a Job Doubling of We Energies Coal Stockpile Approved, Extra Dust Mitigation Required The Wisconsin Department of Natural Resources (DNR) issued the final construction permit this week, allowing the expansion of the coal storage facility at We Energies’ Oak Creek site, but not without some additional […]
  • Doubling of We Energies Coal Stockpile Approved, Extra Dust Mitigation Required

    The Wisconsin Department of Natural Resources (DNR) issued the final construction permit this week, allowing the expansion of the coal storage facility at We Energies’ Oak Creek site, but not without some additional requirements designed to reduce fugitive dust emissions from the stockpile. The Oak Creek site consists of two power-generating facilities, the Elm Road […]

  • FPL Gains Approval to Buy Coal-Fired Plant, Plans to Retire It

    Florida Power & Light Co. (FPL) has received approval from the Florida Public Service Commission (PSC) to acquire and phase out the Cedar Bay Generating Plant, a coal-fired facility located in Jacksonville, Fla. FPL has been buying power from the 250-MW plant under a long-term contract since 1988. The deal was not set to expire […]

  • D.C. Public Service Commission Denies Exelon-Pepco Merger

    The final hurdle for Exelon Corp.’s purchase of Pepco Holdings Inc. (PHI) became the ultimate stumbling block, as the Public Service Commission of the District of Columbia (DCPSC) could not be persuaded that the merger was in the public interest. The DCPSC—an independent agency established by Congress to regulate electric, natural gas, and telecommunications companies […]

  • Southern Co. to Acquire Natural Gas Distribution Leader

    Southern Co. and AGL Resources—the largest natural gas–only distribution company in the U.S.—have agreed to merge in a deal that will make AGL Resources a wholly-owned subsidiary of the giant electric company. The transaction announced on Aug. 24 has an enterprise value of about $12 billion, including a total equity value of approximately $8 billion. […]

  • Coming Soon: The Solar-Powered Navy

    It may not be powering its ships using the sun, but the U.S. Navy will soon be using solar power to keep at least some of the lights on at 14 of its installations in California. The Department of the Navy (DON) recently signed an agreement with Western Area Power Administration and Sempra U.S. Gas […]

  • DOE Funds Coal Research and Carbon Storage Projects

    The U.S. Department of Energy’s (DOE’s) National Energy Technology Laboratory (NETL) announced on August 17 that it will dole out a total of almost $17 million to research new CO2 storage technologies through DOE’s Carbon Storage Program and to research coal conversion and utilization through NETL’s University Coal Research Program. Nine projects will receive funding […]

  • Costs and Deadlines Continue to Challenge V.C. Summer Nuclear Plant Project

    With all 40 remaining construction milestones for V.C. Summer Nuclear Station Units 2 and 3 behind schedule (33 by more than 18 months) as of June 30, South Carolina Electric & Gas Co. (SCE&G) awaits approval of the petition it filed with the Public Service Commission of South Carolina (SCPSC) to update its construction and […]

  • COAL POWER Direct—Aug. 12, 2015

      Current Issue | Find a Job | Post a Job Making Sense of New Arc Flash Protection Rules Standards and regulations may change, but the danger associated with arc flash hazards remains. Analyzing potential incident energy correctly and understanding what personal protection equipment is required can help workers stay safe and avoid painful, or […]
  • 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 […]

  • Alliant Energy Sells Minnesota Electric Service Territory to 12 Cooperatives

    In a deal said to be the largest ever involving electric cooperatives, a group of 12 cooperatives completed the purchase of Alliant Energy’s electric service territory in southern Minnesota, which serves more than 43,000 customers. The agreement was signed in September 2013 between Interstate Power and Light Co. (IPL)—Alliant’s Iowa utility—and Southern Minnesota Energy Cooperative […]

  • Energy Department to Invest in Advanced Reactor Concept Development

    Furthering efforts to encourage clean energy innovation, the Energy Department released a funding opportunity announcement (FOA) to support the research, development, and demonstration of advanced reactor concepts. The announcement represents an early step in increasing investment in nuclear advanced reactor technologies, which have the potential to provide substantially enhanced operational performance, safety, security, economics, and […]

  • Reactions to Clean Power Plan: From Excitement to Anger

    Reaction from utilities, environmental groups, and governmental leaders following the August 3 release of the Environmental Protection Agency’s (EPA’s) final Clean Power Plan rule was mixed. Some, such as Duke Energy CEO Lynn Good, pointed to the progress that has already been made in recent years to reduce carbon dioxide (CO2) emissions, noting that the […]

  • New U.S. Nuclear Plant, Watts Bar Unit 2 Is One Step Closer to Startup

    Nuclear Regulatory Commission (NRC) inspectors reported that the Tennessee Valley Authority’s performance during a recent assessment conducted at Watts Bar Unit 2 indicated that the plant is ready to startup and conduct power operations. The news was conveyed at a public meeting hosted by the NRC on July 27 in Athens, Tenn., to review results […]

  • Expert: 90% of U.S. Population Could Die if a Pulse Event Hits the Power Grid

    When a large electromagnetic pulse (EMP) or geomagnetic disturbance (GMD) event occurs—which, according to Sen. Ron Johnson (R-Wis.), there is “100% certainty” will happen at some time in the future—as many as 9 out of 10 people in the U.S. could die. Johnson, chairman of the U.S. Senate Committee on Homeland Security & Governmental Affairs, […]

  • Talen Energy Sinks Its Talons into Three Power Plants, 2.5 GW of Capacity

    Talen Energy Corp. announced on July 20 that it has agreed to acquire MACH Gen LLC, which owns three combined cycle, natural gas–fired power plants with more than 2.5 GW of total capacity for $1.175 billion. Talen Energy was formed on June 1 when PPL Corp. spun off its PPL Energy Supply business and combined […]

  • Report: Power Plant Air Emissions Continue Steady Decline

    In a report released this week, M.J. Bradley & Associates found that in 2013 power plant SO2 emissions were 80% lower and NOx emissions were down 74% compared to releases in 1990—the year Congress passed major amendments to the Clean Air Act. The report, Benchmarking Air Emissions of the 100 Largest Electric Power Producers in […]

  • McCarthy: Supreme Court Decision on MATS Won’t Affect the Clean Power Plan Rule

    Environmental Protection Agency (EPA) Administrator Gina McCarthy remains firm in her resolve to create a landmark rule to reduce carbon emissions from power plants later this year. Speaking at the St. Regis Hotel in Washington, D.C., during an event sponsored by AREVA and hosted by The Christian Science Monitor, McCarthy said, “Last week’s ruling will […]

  • COAL POWER Direct—July 8, 2015

    Coal Power Current Issue | Find a Job | Post a Job Don’t Let Leachate Derail Your CCR Landfill Plans Developing a compliance approach for a new regulation sometimes means overlooking unintended consequences of the chosen compliance method. Preparing for compliance with the new U.S. Environmental Protection Agency (EPA) regulations on coal combustion residuals (CCR […]