Republican leaders of the House Energy and Commerce Committee on May 17 wrote a letter to Environmental Protection Agency (EPA) Administrator Lisa Jackson seeking more information about EPA’s plans to regulate carbon emissions for new and existing power plants.

The PJM Interconnection Board May 17 approved nearly $2 billion in electric transmission upgrades that will maintain electric power supplies in the wake of plans to retire 14,000 MW of coal-fired generation between May 2012 and the end of 2015.

In its budget requests for 2013, the U.S. Environmental Protection Agency (EPA) said it wants a funding increase to investigate hydraulic fracturing technologies.

In a study commissioned by the Midwest Independent Transmission System Operator (MISO), economists at The Brattle Group evaluated the feasibility of complying with the U.S. Environmental Protection Agency’s (EPA’s) Mercury and Air Toxics Standards (MATS) rule.

Hoosier Energy plans to retire its 250 MW Ratts coal-fired power plant in Indiana in 2015.

A new report by Bloomberg Government says that gas-fired generation will likely become the dominant form of power generation over time in light of the U.S. Environmental Protection Agency’s (EPA’s) new standards for greenhouse gases

The U.S. Environmental Protection Agency (EPA) has released a draft underground injection control (UIC) program permitting guidance for class II wells.

Secretary of the Interior Ken Salazar has announced the release of a proposed rule to require companies to publicly disclose the chemicals used in hydraulic fracturing operations on public and Indian lands, with appropriate protections for proprietary information.

The Sierra Club filed a federal lawsuit against the U.S. Environmental Protection Agency, claiming that a loophole allowed coal-fired power plants in Oklahoma to exceed emissions standards under the Clean Air Act.

Citing depressed power prices and the high cost of environmental controls, as well as other factors, Ameren Energy Resources Co. LLC (AER), filed a petition with the Illinois Pollution Control Board (IPCB) seeking flexibility in meeting certain emissions standards established by the Illinois Multi-Pollutant Standards (MPS).

The Kentucky Public Service Commission (PSC) approved a proposal by Kentucky Utilities Co. (KU) and Louisville Gas & Electric Co. (LG&E) to build a 640 MW natural gas-fired power plant at LG&E’s Cane Run plant and to purchase the 495 MW Bluegrass natural gas-fired plant in Oldham County.

Midwest Generation is planning to close two coal-fired power plants in Illinois sooner than planned. In February, the company announced that it would shutter the 326 MW Fisk plant and the 542 MW Crawford plant by the end of 2014.

FirstEnergy cannot close its Ashtabula, Eastlake, Bay Shore and Lakeshore coal-fired power plants in Ohio until 2015.

The EPA senior administrator for the South Central Administration (Region 6) has resigned after receiving an onslaught of criticism from comments he made two years ago.

Public Service Co. of Oklahoma (PSO), a unit of American Electric Power, has entered into an agreement in principle with the U.S. Environmental Protection Agency, the state of Oklahoma and the Sierra Club that establishes a framework for PSO to comply with EPA regulations affecting the company’s two coal-fired units at its Northeastern Station in Oologah, Okla.

The U.S. Environmental Protection Agency (EPA) has announced that it will delay the requirement for capturing emissions from natural gas hydraulic fracturing processes until 2015.

Colorado’s Tri-State Generation and Transmission Association filed a lawsuit against the U.S. Environmental Protection Agency challenging EPA’s new mercury and air toxics standards (MATS) for coal-fired power plants.

Greenhouse gas emissions increased by 3.2 percent from 2009 to 2010, according to the 17th annual U.S. greenhouse gas inventory.

Power4Georgians has decided to cancel the proposed Ben Hill coal-fired power plant in Ben Hill County, Ga.