Archive: Water

A Clean Sweep for Invasive Mussel Biofouling

The rapid proliferation of dreissena rostriformis bugensis—the quagga mussel—has major implications for power plant reliability. The U.S. Bureau of Reclamation installed a groundbreaking solution at Parker

How the U.S. Is Investing in Advanced Coal Technologies

The U.S. is investing heavily to ensure its future coal-fired power fleet will be cleaner, more efficient, and more flexible, experts said at the 9th International Conference on Clean Coal Technologies in Houston on June 4. The conference—which is taking place this week in the U.S. for the first time—is spearheaded by the IEA Clean […]

Illinois Passes Landmark Coal Ash Legislation

Illinois on May 27 became the third state in the nation to pass legislation requiring coal ash protections beyond federal requirements.  The state’s House passed the Coal Ash Pollution Prevention Act (SB 9) in a 77-36 vote on Monday, only weeks after Senate passage of the bill in a 39-9 vote on May 9. The […]

Q&A With Geothermal Experts

Geothermal energy has been around forever, used as a heating source across the world. Today it has surfaced as another renewable resource, with advancements in drilling technology bringing down costs and opening new areas to development. In conjunction with the feature article on geothermal in the May 2019 issue of POWER, we sought opinions from […]

Advancements in Water Ultrafiltration Technology

Strained water resources across the world necessitate innovative ways for power plants to more efficiently use, and reuse, the water that is available. At the U.S. Department of Energy’s Argonne National

Federal Court Vacates Parts of Obama EPA’s ELG Rule 

In a legal victory for environmental groups, a federal court has vacated key portions of the Environmental Protection Agency’s (EPA’s) November 2015-promulgated effluent limitations guidelines (ELGs) for steam electric power plants, deeming them “unlawful.”  The decision adds a dramatic new element of uncertainty in timing of the rule, which the Trump administration has said it […]

Power Companies Refute Findings of Widespread Coal Plant Groundwater Contamination

An estimated 91% of U.S. coal power plants that submitted groundwater monitoring data as required by the Environmental Protection Agency’s (EPA’s) 2015 Coal Combustion Residuals (CCR) rule have unsafe levels of one or more contaminants, a collaborative analysis of the monitoring data by several environmental groups suggests.  The March 4 report is significant because power […]

Power Supplies in Pacific Northwest Tighten as Deep Freeze Grips Region

Energy supplies are tight in the Pacific Northwest, a region that has been stricken with unseasonably frigid weather and is bracing for deep freezes as a mass of Arctic air descends on the region.    The Bonneville Power Administration (BPA), a federal power marketer that sells wholesale power from 31 federal dams and one nuclear […]