POWERnews

Sempra U.S. Gas & Power dedicated the first 150-MW phase of the 4,000-acre Mesquite Solar facility in Maricopa County, Ariz., on Friday. Potential to build out up to 700 MW of nameplate capacity could make the photovoltaic (PV) complex one of the biggest in the U.S.

In a report released on Monday, the U.S. Energy Information Administration (EIA) presents data on energy-related carbon dioxide (CO2) emissions for each state by year, fuel, sector, and other breakouts for the years 2000 through 2010.

A three-judge panel of the Nuclear Regulatory Commission’s (NRC’s) Atomic Safety Licensing Board (ASLB) on Tuesday ruled that Southern California Edison (SCE) cannot restart Unit 2 of its shuttered San Onofre Nuclear Generating Station (SONGS) until the NRC holds a formal license amendment proceeding with full public participation.

Westinghouse and China’s State Nuclear Power Technology Corp. (SNPTC) have teamed to further develop a supply chain within China for power plant equipment and components to be used in global AP1000 nuclear power plants.

A software algorithm developed by researchers from North Carolina State University promises to detect and isolate cyber attacks on networked control systems.

A three-judge panel at the 5th U.S. Circuit Court of Appeals in New Orleans on Tuesday dismissed a lawsuit that alleges carbon dioxide emissions by several power companies contributed to global warming that intensified Hurricane Katrina.

In an apparent legal victory for developers of new nuclear power plants in the U.S., the U.S. Court of Appeals for the D.C. Circuit denied complaints from environmental groups that federal approval of Southern Co.’s two new reactors under construction in Georgia did not address lessons learned from the Fukushima accident.

AES Corp.’s subsidiary Dayton Power & Light (DP&L) plans to retire six coal-fired units representing about 390 MW at its 414-MW Hutchings coal-, gas-, and oil-fired plant in Miamisburg, Ohio, by June 2015 as a result of existing and expected environmental regulations, including the Mercury and Air Toxics Standards (MATS). The news comes on the heels of Indianapolis Power & Light Co.’s (IPL’s) announcement that it plans to retire 600 MW of coal-fired capacity to comply with environmental rules.

Duke Energy said on May 2 that it told the Nuclear Regulatory Commission (NRC) it plans to suspend its application for two proposed new nuclear units on its Harris site near New Hill in Wake County, North Carolina.

President Barack Obama said in a speech that the U.S. is likely to be a net exporter of natural gas by 2020, the Financial Times newspaper reported May 6. The newspaper said the president’s remarks, which were made in Costa Rica, are the strongest signal yet that the administration is leaning toward supporting export ventures.