EPA

  • Report: CO2 Emissions from Power Sector Rising

    A new study from an economic research group shows that U.S. emissions of carbon dioxide (CO2) rose about 3.4% last year, including a 1.9% rise in emissions from power generation. The New York-based Rhodium Group, which released its findings on Jan. 8, said its study used data from the U.S. Energy Information Administration (EIA) and […]

  • EPA: Mercury Rules for Coal, Oil Power Units Not ‘Appropriate and Necessary’

    Because compliance costs to coal- and oil-fired power plants for the Mercury and Air Toxics Standards (MATS) far exceed quantifiable benefits to regulating hazardous air pollutant (HAP) emissions, the Trump administration has proposed it is not “appropriate and necessary” to regulate HAP emissions from power plants under Section 112 of the Clean Air Act (CAA), […]

  • Trump EPA Scraps CCS as BSER for New Coal Units

    The Environmental Protection Agency (EPA) has significantly relaxed requirements needed to build new coal-fired power units in the U.S.  The revisions proposed on December 6 for performance standards governing carbon dioxide emissions from new, reconstructed, and modified coal power units respond to the Trump Administration’s Executive Order on Promoting Energy Independence and Economic Growth, which […]

  • Amid Broad Legal Challenges, EPA Proposes Narrower Definition of WOTUS

    In a move widely applauded by the power industry, the Environmental Protection Agency (EPA) and Department of the Army proposed a new definition of “waters of the U.S.” (WOTUS) that could exempt groundwater and ditches from regulation under the Clean Water Act (CWA).  The measures follow other recent significant regulatory actions by the agency. On […]

  • Cleanup and Closure Projects on a Massive Scale

    Thousands of workers are involved, and billions of dollars are being spent, as U.S. utilities convert and close dozens of coal ash impoundments in an effort to meet government regulations and prevent future

  • The Impact of Environmental Regulations on Power Generation

    For many years, air pollution control (APC) rules and regulations have governed the design and economics of the world’s power generation fleet. These rules have had a tremendous impact, improving air quality

  • Contamination Found in Water Near Illinois Coal Ash Dumps

    Analysis based on testing mostly conducted by energy companies shows that water near all but two coal plants in Illinois is contaminated with toxic waste. The Chicago Tribune on November 28 reported that a compilation of industry-supplied data from 24 Illinois coal plants shows harmful levels of arsenic, chromium, lead, and other heavy metals in […]

  • Utility Agrees to Close Arkansas’ Largest Coal Plants

    Entergy Arkansas said it will close the state’s two largest coal-fired power plants, along with one gas-fired plant, by 2030 as part of a settlement with environmental groups that sued the utility in federal court for alleged violations of the Clean Air Act (CAA). The Sierra Club and the Washington, D.C.-based National Parks Conservation Association […]

  • Indiana Utility Will Close Coal Units, Transition to Renewables

    Northern Indiana Public Service Co. (NIPSCO) last week told state regulators it plans to retire four coal-fired units at its Wheatfield plant by 2023, a coal-fired unit in Michigan City by 2028, and increase its generation from renewables as part of its “Your Energy, Your Future” initiative. The company’s latest Integrated Resource Plan filed on October […]

  • How Did MATS Affect U.S. Coal Generation?

    Industry aggressively fought the Mercury and Air Toxics Standards (MATS) when the Obama administration proposed it in 2011 and finalized it in February 2012, warning it would precipitate the closure of a swathe of coal capacity nationwide. Six years later, the rule appears to have had a sizable impact on the power sector, but not […]

  • EPA Advances Proposed Changes to Mercury Rule

    The Environmental Protection Agency (EPA) confirmed it has submitted proposed changes to the Mercury and Air Toxics Standards (MATS) to the White House for review, despite urging by the industry to let the rule stand. EPA spokesperson John Konkus told POWERon October 2 that the agency does not intend to withdraw the existing MATS. It […]

  • New York Gas Plant Comes Online Despite Opposition

    The Valley Energy Center in Orange County, New York, entered commercial operation on October 1 despite complaints from local officials and area residents about noise from the plant, among other concerns. Community members spoke out against the plant at public hearings last week, saying they have felt sick when the plant has undergone test runs […]

  • THE BIG PICTURE: A Power Sector Carbon Decline

    The U.S. Environmental Protection Agency (EPA) suggests that if states fully implement the Affordable Clean Energy (ACE) rule—which it proposed in August 2018 to replace the 2015 Clean Power Plan—by 2025, U.S. power sector carbon dioxide emissions could be about 34% below 2005 levels. At the end of 2016, they had fallen 24%, and by the end […]

  • Court Upholds Water Intake Rule, Offering Some Certainty for Power Plants

    The U.S. Court of Appeals for the Second Circuit in July issued a long-awaited decision in the case Cooling Water Intake Structure Coalition v. U.S. Environmental Protection Agency (EPA), upholding the EPA’s

  • Coal-to-Gas Power Shift Driven by Economics

    The Tennessee Valley Authority’s third coal plant conversion to gas combined cycle generation, at the venerable Allen plant near Memphis, Tennessee, created the most-efficient combined cycle plant in its

  • EPA Schedules One Hearing on Proposed ACE Rule

    The U.S. Environmental Protection Agency (EPA) on September 10 announced it will hold one hearing to get input from the public and stakeholders on its Affordable Clean Energy (ACE) rule, the Trump administration’s replacement for the Obama-era Clean Power Plan (CPP). The EPA said it has scheduled an all-day hearing October 1 at the Ralph […]

  • THE BIG PICTURE: Trump’s Regulatory Targets

    President Trump campaigned on a promise to reduce regulation and control regulatory costs. One of his first actions after taking office was to issue an executive order calling for the elimination of two existing regulations for every one new regulation issued. Toward that end, the Trump administration has acted or sought to reverse more than […]

  • Coal’s ACE in the Hole? New Rule Still Faces Headwinds

    The Trump administration has extended a potential lifeline to coal-fired power plants with its Affordable Clean Energy (ACE) rule. Now the debate is about how much the plan will actually help coal generation. Energy analysts and other industry experts who spoke with POWER on August 28 say the new rule, which would give individual states the […]

  • Experts: Coal Plants Must Adapt to New Energy Landscape

    The Trump administration’s Affordable Clean Energy (ACE) rule announced August 21 calls for coal-fired power plants to meet state-designed performance standards, most notably focused on increases in heat rate and overall efficiency for individual generating stations. Energy experts speaking at the MEGA Symposium in Baltimore, Maryland, on August 22 agreed it’s a goal worth pursuing. […]

  • What Coal Generators Should Know About the EPA’s Proposed ACE Rule

    The Environmental Protection Agency’s (EPA’s) Affordable Clean Energy (ACE) rule is proposed to replace the 2015 Clean Power Plan—which the Supreme Court stayed in February 2016 and never went into effect. According to the EPA, the replacement is necessary because the Obama-era Clean Power Plan “exceeded the EPA’s authority.” However, like the Clean Power Plan, […]

  • Trump Emissions Plan Aims to Boost Coal-Fired Power

    The Trump administration has proposed an overhaul of U.S. power plant emissions rules, unveiling a plan that would allow individual states to determine how they will regulate pollutants. The proposal, called the Affordable Clean Energy (ACE) plan and discussed during the keynote address at the MEGA Symposium in Baltimore, Maryland, on August 21, would essentially dissolve […]

  • EPA Will Not Revisit Obama-Era NAAQS for Ozone

    The Environmental Protection Agency (EPA) does not intend to revisit national ambient air quality standards (NAAQS) for ozone that the Obama administration issued in 2015, a court filing shows.  The agency said in its final status report submitted to the U.S. Court of Appeals for the D.C. Circuit on August 1 that it has reviewed […]

  • EPA Finalizes First Set of Coal Ash Rule Revisions

    The Trump administration has finalized a significantly weakened rule governing the disposal of coal ash in landfills and surface impoundments by coal generators nationwide. The Environmental Protection Agency (EPA) revealed on July 18 that it signed the first rule of its two-part rulemaking set that overhauls the Obama administration’s final 2015 rules for the disposal […]

  • EPA Sends Replacement for Clean Power Plan to Trump

    The Trump administration is moving forward with its effort to replace the Clean Power Plan, with the president set to review a document sent to the White House on July 9. The Environmental Protection Agency (EPA) on July 10 said a new rule, which insiders said would be more favorable to the coal industry, was […]

  • EPA Chief Pruitt Resigns; Former Coal Lobbyist Takes Helm

    Scott Pruitt, chosen by President Donald Trump to lead the Environmental Protection Agency despite repeated lawsuits against the agency when he served as Oklahoma’s attorney general, resigned as EPA director July 5. Pruitt had been under scrutiny throughout his EPA tenure for questionable ethical decisions involving his office. Pruitt, who repeatedly said he had done […]

  • Electric Vehicles—Subsidies for an Environmental Pretender

    On May 22, the Edison Electric Institute (EEI), the American Public Power Association (APPA), and two groups representing U.S. and foreign automakers sent a letter to Environmental Protection Agency (EPA)

  • FERC: There Is No Grid Emergency

    President Trump wants to provide financial support to struggling coal and nuclear power plants. He’s told the Department of Energy (DOE) to make it happen. But a bipartisan group of lawmakers on Capitol Hill, along with commissioners from the Federal Energy Regulatory Commission (FERC), made it clear June 12 they don’t support federal government intervention […]

  • Why the EPA’s Proposed Coal Ash Rule Is Concerning

    Over the past decade, together with my students and colleagues at Duke University and other academic institutions, I have conducted scientific research and published 13 scientific articles on different aspects

  • EPA Sets Schedule for Potential ELG Rule Revision

    The Environmental Protection Agency (EPA) has issued an official timeline for rulemaking that would potentially revise the Obama administration’s 2015 effluent limitations guidelines and standards (ELGs) for steam electric power plants. In its May 2-released Final 2016 Effluent Guidelines Program Plan, the EPA said it will potentially revise the stringent Best Available Technology (BAT) effluent […]

  • Upheaval and Innovation in Wastewater Management

    Regulatory uncertainty, changing resources, and an industrywide drive to cut costs and boost flexibility and efficiency are among a growing list of challenges that are prompting new approaches to treat power