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Latest Stories


Water, Heat, Metal: A Crucial and Difficult Dance

Proper water chemistry has always been important for dependable steam plant operation, but it may be even more critical today due to changes in operating routines and increased plant cycling. Failure not ...


The Convoluted Tale of U.S. Coal Ash Management

Sometime around midnight on Dec. 22, 2008, a dike at the coal ash dewatering pond for the Tennessee Valley Authority’s (TVA’s) 1,400-MW Kingston power plant in Roane County, Tennessee, failed. That led to what has been reported as the largest industrial spill in U.S. history. TVA and the U.S. ...


Battery Storage: Perils and Promise

Lithium-ion battery technology promises the first realistic approach to fully integrating intermittent solar and wind into the U.S. power system. Despite its recent growth and great potential, the ...


Coal-to-Gas Power Shift Driven by Economics

The Tennessee Valley Authority’s third coal plant conversion to gas combined cycle generation, at the venerable Allen plant near Memphis, Tennessee, created the most-efficient combined cycle plant in ...


Is Tesla Doomed?

Is high-flying Elon Musk, Tesla CEO and purveyor of electric and self-driving cars (and maybe trucks), battery storage for solar systems, private-sector space ships, and “hyper-loop” transportation, headed for a crash? That’s the case that the investment website Seeking Alpha makes in a ...


What’s ‘Resilience’ When it Comes to Power?

The Department of Energy-generated notice of proposed rulemaking at the Federal Energy Regulatory Commission, aimed at rescuing coal and nuclear power generation from the vagaries of competitive markets by raising the idea of paying out-of-market prices for “resilient” generating technologies, ...