An explosion Monday at a coal mine owned by Massey Energy has left 25 confirmed dead and four missing as of Wednesday morning.

The National Association of Regulatory Utility Commissioners (NARUC) filed an appeal on Friday against the U.S. Department of Energy (DOE) over its decision last year to continue charging fees associated with moving and disposing of spent nuclear fuel. To date, ratepayers have paid approximately $17 billion into the fund over the last 27 years, according to NARUC. Further, the fund has earned an additional $13.5 billion in interest, bringing it to about $30 billion.

The U.S. Environmental Protection Agency (EPA) announced on Thursday a set of actions to further clarify and strengthen environmental permitting requirements for Appalachian mountaintop removal and other surface coal mining projects, in coordination with federal and state regulatory agencies.

Entergy Corp. announced on Monday that it plans to continue operating its 2,000-MW Indian Point nuclear power plant in spite of the N.Y. Department of Environmental Conservation’s (DEC) rejection of the plant’s application for a water quality certification on Friday.

The Texas Public Utility Commission (PUC) announced on Thursday its plan to carry out a multi-pronged evaluation process for the independent testing of smart meters installed in the Texas competitive retail electric market. This action follows Oncor Electric Delivery’s announcement last week that it had incorrectly installed more than a thousand smart meters in central Texas.

Xcel Energy and Calpine Corp. announced on Monday that Public Service Company of Colorado, an Xcel Energy company, will purchase two of Calpine’s power plants near Denver that currently provide power to the utility under power purchase agreements.

Entergy Corp., the second-largest operator of nuclear power plants in the U.S., announced on Monday it will cancel its proposed spin-off transaction that would have relocated six of its nuclear units into newly formed companies, Enexus Energy Corp. and EquaGen LLC. This decision occurred in the wake of the New York Public Service Commission’s (NYPSC) decision on Thursday to reject the company’s planned spin-off.

Suniva, a U.S. manufacturer of high-efficiency monocrystalline silicon solar cells and modules, announced on Thursday that it has been selected for the U.S. Department of Energy (DOE) Loan Guarantee Program under the DOE’s Innovative Energy Efficiency, Renewable Energy and Advanced Transmission and Distribution Technologies Solicitation.

Portland General Electric (PGE) said on Friday it had submitted a proposal to Oregon’s Department of Environmental Quality (DEQ) to close its coal-fired Boardman Power Plant by 2020.

Florida Power & Light Co. (FPL) said on March 31 that meeting state-mandated energy conservation goals could cost the typical 1,000-kilowatt-hour customer an additional $2 to $3 a month.