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NRG Energy’s shopping spree, which has seen it become the nation’s largest merchant generator through a string of acquisitions, continued this week as subsidiary NRG Yield announced on June 4 that it has agreed to acquire the mammoth Alta Wind facility in Tehachapi, Calif., from Terra-Gen Power LLC. The Alta Wind farm has an operating […]

A new power grid exhibit opens June 7 at the Marbles Kids Museum in Raleigh, N.C. Kid Grid—sponsored by ABB—will introduce children to electricity and power grid technology through hands-on play. Utilities have a vested interest in maintaining an educated workforce and breaking through traditional gender stereotypes. Studies have shown that the U.S. is lagging behind […]

The Environmental Protection Agency (EPA) released its “Clean Power Plan” proposal today, which spurred a wide range of responses. Environmental groups applauded the guidelines while fossil fuel proponents decried the end of affordable energy. Power plants are the largest source of carbon pollution in the U.S., accounting for roughly one-third of all domestic greenhouse gas […]

According to a report released on May 28, NOX and SO2 emissions in 2012 were 74% and 79% lower, respectively, than they were in 1990 when Congress passed major amendments to the Clean Air Act. Although power plant CO2 emissions have actually increased 13% from 1990 levels, the trend has been down in recent years, […]

The U.S. Environmental Protection Agency (EPA) and Duke Energy have signed an agreement regarding cleanup of the coal ash release that occurred at the retired Dan River coal-fired power plant in North Carolina in February. As part of the deal, the EPA will oversee the cleanup and Duke will reimburse the agency for its oversight […]

While the rainfall has stopped for now, the risk of flooding continues for the Nikola Tesla coal-fired power plant located on the Sava River near Obrenovac, Serbia (Figure 1). 1. Flooding from the Sava River has affected many parts of Obrenovac, Serbia. Courtesy: EPS The 1,502-MW “A” plant (Figure 2) has six units and is […]

In late January, Secretary of Energy Ernest Moniz requested a study of existing U.S. coal-fired power plants to assess options for enhancing capacity, efficiency, and emissions profiles of the present generation fleet. On May 14, the National Coal Council (NCC), an advisory group that provides recommendations to the Secretary of Energy on policy matters relating […]

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Many coal-fired power plants in operation today do not have a fire-extinguishing medium installed in their coal storage silos. CO2 injection would generally be the preferred method, and is used in many plants, but what do you do when your plant was left without this option after construction? Wet or just plain “hot” coal making […]