Environmental

  • A Brief History of U.S. Coal Ash Since the Kingston Spill

    The disposal of coal ash, a combustion byproduct from coal-fired power plants, was propelled into the national conversation on December 22, 2008, when the Tennessee Valley Authority (TVA) Kingston power plant suffered one of the largest coal ash spills in history. Calls for regulatory action shifted pitch again after the Duke Energy Dan River spill […]

  • Notable Coal Ash Spills [Slideshow]

    The coal ash spill in December 2008 at the Tennessee Valley Authority’s coal-fired Kingston power plant may have triggered regulatory action, but it wasn’t the first or the most devastating disaster in the coal industry’s history. Coal Ash Spills at Power Facilities [gss name=”example1″ link=”none” ids=”85886,85788,85786,85790,85778,85888,85794,85784,85776″] Other Notable Coal Ash Spills [gss name=”example2″ link=”none” ids=”85772,85780,85782″] —Sonal […]

  • Belo Monte Hydro Plant Stunned, Revived Again

    Legal battles to stall the 11-GW Belo Monte hydroelectric dam—being built on the Xingu River in Amazon forest for one of the world’s largest power plants—are raging on in Brazil (Figure 1). In January

  • Coal Ash Hits the Big Time

    Regulatory attention is rarely welcome in the best of times. When the attention is focused on a practice that has been standard operating procedure for more than a century—especially a practice that has left

  • Germany’s Energiewende at a New Turning Point

    Germany’s Energiewende (energy transition) was adopted as policy beginning in September 2010, some six months before the disaster at Japan’s Fukushima nuclear plant, and full legislative support was

  • Zero-Discharge Pozzolanic Brine Solidification: Another Option for Treating FGD Wastewater

    In late 2015, the U.S. Environmental Protection Agency (EPA) published new regulations governing wastewater discharge from steam electric power plants. These new regulations, or effluent limitation guidelines

  • New Reports Say CPP and Renewable Tax Credits Have Big Implications for the Power Sector

    New reports released this week see big growth in renewables from the recently extended federal tax credits, but big uncertainty due to the possible end of the Clean Power Plan (CPP). New York-based consulting firm Rhodium Group says investment plans in the power sector will be radically different if the Clean Power Plan doesn’t happen. […]

  • Twenty States Call on Supreme Court to Stay EPA Mercury Rule

    Rallied by the Supreme Court’s unprecedented stay of the Environmental Protection Agency’s (EPA) Clean Power Plan, a coalition of 20 states has asked the high court to stay another disputed agency rule: the Mercury and Air Toxics Standards (MATS). The states are: Alabama, Alaska, Arizona, Arkansas, Idaho, Iowa, Kansas, Kentucky, Michigan, Mississippi, Missouri, Nebraska, North […]

  • U.S. Power Sector Carbon Emissions See Fractional Increase

      Power generators consumed 34% of total U.S. energy uses from fossil fuels and accounted for 39% of the nation’s carbon emissions from fossil fuel combustion in 2014—a fraction of a percent more than in 2013—the Environmental Protection Agency (EPA) said in its newly released Greenhouse Gas Inventory report. In 2014, 2,054.8 million metric tons […]

  • EPA Chief: Clean Power Plan to Win on Merits

    Despite the unprecedented stay by the Supreme Court, the Environmental Protection Agency’s (EPA’s) Clean Power Plan will withstand legal challenges “based on its merits,” predicted the agency’s head, Gina McCarthy, at the IHS CERAWeek conference in Houston. McCarthy discussed the plan and other recent initiatives to stem greenhouse gas emissions—including recently announced rules to curb […]

  • DOE Secretary Moniz on WIPP and Spent Nuclear Fuel Storage

    Department of Energy (DOE) Secretary Ernest Moniz reaffirmed that the Waste Isolation Pilot Plant (WIPP) in Carlsbad, N.M., is on track for reopening later this year, but he did not offer any encouragement to those in the southwest corner of the state who support using the site for permanent disposal of the country’s spent nuclear fuel.

  • Seventeen U.S. Governors Sign Clean Energy Accord

    The governors of 17 U.S. states on February 16 signed a landmark agreement to cooperate on expanding clean energy, energy efficiency, and modernizing energy infrastructure. The Governors’ Accord For A New Energy Future makes the case that “new energy solutions” can “provide more durable and resilient infrastructure, and enable economic growth, while protecting the health […]

  • Supreme Court Stays Implementation of Clean Power Plan

    Dealing a major blow to the Obama administration’s climate agenda, the U.S. Supreme Court by a 5-4 vote stayed implementation of the Environmental Protection Agency’s (EPA’s) Clean Power Plan (CPP) pending a decision on its legality in the D.C Circuit Court of Appeals. The one-page order gives no explanation for the court’s action, but issuance […]

  • Duke Energy Fined $6.6 Million for Dan River Coal Ash Spill

    The North Carolina Department of Environmental Quality (NCDEQ) issued a $6.6 million fine to Duke Energy on February 8 for environmental violations related to the February 2014 coal ash spill from the Dan River power plant near Eden, N.C. Although the fine is not insignificant, it pales in comparison to the $102 million the company […]

  • Kemper IGCC In-Service Date Pushed to Q3, Costs Surge Again

    Mississippi Power’s lignite-fired Kemper County integrated gasification combined cycle (IGCC) power plant is seeing yet another delay and $110 million in new costs, a filing with state regulators shows. The company’s December 2015 monthly status report for the nation’s first commercial power plant that will capture and store carbon dioxide anticipates that it will now […]

  • EPA, DOE Experts Upbeat on Regulatory Agenda

    The Environmental Protection Agency’s (EPA’s) acting administrator of the Office of Air and Radiation, and the Department of Energy’s (DOE’s) head of clean coal and carbon management gave upbeat assessments of the Obama administration’s regulatory agenda and power sector priorities speaking at the EUEC 2016 conference in San Diego on February 3. Janet McCabe of […]

  • Bagasse and Blended Biomass Cogeneration Advances in the Cuban Sugarcane Industry

    Advances in firing biomass, including bagasse, in Cuban sugarcane operations.

  • Navigating Legal Implications of Power Industry Regulations

    A summary of POWER’s legal affairs conference on power industry regulations.

  • TransAlta Plays Defense with Coal Out, Renewables In

    When it comes to a transition away from coal, TransAlta Corp. is playing political defense. The Canadian province of Alberta contains among the richest fossil energy resources in the world, including oil (and

  • Coal Ash Mapping Using Electromagnetic Technology

    The identification and containment of coal ash has risen to the top of the priority list for plant managers across the U.S. after inadvertent releases of coal ash into unintended areas resulted in adverse

  • CHP and Other Technologies Could Breathe New Life into U.S. Coal-Fired Power Plants

    Since the U.S. Environmental Protection Agency (EPA) released its “new source performance standard” on August 3, 2015, requiring new coal power plants in the U.S. to emit no more than 636 kg (1,400 lb) of

  • Winter Storm Wallops East Coast, Disrupts Power

    The historic winter storm that buried the Eastern U.S. in snow over the weekend shut the lights off for more than a million customers from Arkansas to Massachusetts as it downed power lines and hampered operations at some power plants. According to the Department of Energy’s Office of Electricity Delivery and Energy Reliability, at one […]

  • [UPDATED] Halt the EPA’s Clean Power Plan Now, 26 States Urge Supreme Court

    Following the D.C. Circuit’s denial of motions for stay, 26 states have petitioned the U.S. Supreme Court to immediately block the Environmental Protection Agency’s (EPA’s) contentious Clean Power Plan from taking effect. The January 26 application, directed to Chief Justice John Roberts Jr., notes that the states filed petitions for review of the carbon rule […]

  • Senate’s Failed Veto Override Leaves WOTUS Rule Intact

    Congressional efforts to block the Environmental Protection Agency’s (EPA’s) contentious rule asserting federal authority over small bodies of water were derailed on Jan. 21. Senate Republicans voted 52–40, failing to override the president’s veto of the so-called “Clean Water Rule”—also “Waters of the United States” (or WOTUS) well short of the 60 necessary votes. Clean […]

  • California Muni Says No to Coal Power

    Silicon Valley Power (SVP)—Santa Clara, Calif.’s municipal electric utility—has decided to stop importing out-of-state electricity from the San Juan Generating Station, completely eliminating coal from its power supply. San Juan is a 1,646-MW four-unit coal-fired power plant located in Waterflow, N.M., and operated by PNM. SVP owns an interest in San Juan through its participation […]

  • State RPSs Provide Significant Economic Benefits, DOE Study Says

    State renewable portfolio standards (RPSs) provide around $7.4 billion in annual economic benefits and substantial reductions in water withdrawals and consumption, according to a new study from the Department of Energy’s Lawrence Berkeley National Laboratory and National Renewable Energy Laboratory released on Jan. 6. The study, “A Retrospective Analysis of the Benefits and Impacts of […]

  • IEA: World’s Power Mix Is Seeing Unprecedented Transformation

    A significant transformation of the global power mix is under way, noted the International Energy Agency (IEA) in its newly released World Energy Outlook (WEO-2015). Renewables are getting subsidized boosts

  • Clean Power Plan Means Opportunities for Power Plants

    The U.S. Environmental Protection Agency (EPA) published the final version of the Obama administration’s Clean Power Plan (CPP) on Oct. 23, 2015, and within hours more than two dozen challenges were filed