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Operators at Entergy’s Vermont Yankee Nuclear Power Station (VY) took the plant offline permanently on Dec. 29 at 12:12 p.m. EST, ending a 42-year operational history. The shutdown is the first step in what is expected to be a decades-long decommissioning process for the plant. VY follows several other nuclear plants that have begun the […]

The Nuclear Regulatory Commission (NRC) announced on Dec. 23 that Stephen G. Burns will replace Allison Macfarlane as chairman, effective Jan. 1, 2015. Burns, a 33-year veteran of the agency—became a commissioner in November. He began his career at the NRC as an attorney in the Regional Operations and Enforcement division in 1978, later serving […]

A major U.S. solar manufacturer will shutter a manufacturing plant in Tennessee in part due to ongoing challenges presented by global trade disputes.  Polycrystalline silicon–maker Hemlock Semiconductor, a company majority owned by Dow Corning Corp., on Dec. 17 said it would close a facility in Clarksville, Tenn., owing to “sustained adverse market conditions.” “As difficult […]

The Florida Public Service Commission (PSC) on Dec. 18 approved Florida Power & Light’s (FPL’s) request to invest in natural gas wells in Oklahoma. NextEra subsidiary FPL, one of the largest natural gas consumers in the country—it burns more gas than any other electric utility, about 2 Bcf/d—filed the request this past June. The plan […]

The growth in natural gas–fired generation in the U.S. since 2007 has overwhelmingly displaced coal-fired generation, according to a report from the Breakthrough Institute released Dec. 15. Consistent with the impressions of power sector observers, but in contrast to previous claims by environmental groups that growth in gas is offsetting renewables and nuclear while coal […]

Computer systems at Korea Hydro and Nuclear Power Co. (KHNP)—the operator of South Korea’s 23 commercial nuclear reactors—were hacked and information divulged via blog posts and posts on Twitter, according to the company. The first leaks on Dec. 15 were of personal information obtained from some of the 10,799 employees of the company, but later […]

A final rule issued today by the Environmental Protection Agency (EPA) to regulate coal combustion residuals (CCRs) from coal power plants clarifies technical requirements for coal ash landfills and surface impoundments nationwide under Subtitle D of the Resource Conservation and Recovery Act (RCRA), the nation’s primary law for regulating solid waste. The final rule is […]

From its modest origins as a way to shed load when the grid is stressed, demand response (DR) has grown to be a significant player in electricity markets. In the PJM region, demand response has accounted for as much as 14,833 MW of capacity, almost 10% of the total. Customer Gains and Generator Losses Demand […]

The effects of the January 2014 polar vortex have led to big changes in the PJM capacity market, as the board has approved changes to tighten up operations and improve reliability. The polar vortex storm of Jan. 6–8, 2014, saw temperatures plunge across the Midwest and Mid-Atlantic, causing a spike in demand for electricity and […]

In the third part of a long-awaited safety evaluation report (SER) for the stalled Yucca Mountain permanent nuclear waste repository released today, the Nuclear Regulatory Commission (NRC) says the Department of Energy (DOE) fails to meet necessary requirements relating to ownership of land and water rights.  Volume 4 (Administrative and Programmatic Requirements) of the five-part […]