TVA

Although nuclear plant ice condensers are rare—only seven sites throughout the world have them—the theory behind these passive heat sinks is quite novel. In fact, some next-generation plant designers have built upon the concept and incorporated passive accident intervention schemes into their plans. A nuclear plant ice condenser is a passive, static heat sink that […]

Officials with the U.S. Nuclear Regulatory Commission (NRC) plan to hold a public hearing May 31 on the safety record of the Arkansas Nuclear One power plant in Arkansas, whose two units are among three cited by the agency for poor performance and other problems in its annual assessment of the nation’s nuclear fleet. The […]

Constructing a new nuclear power plant is a massive undertaking. It involves years of planning and countless hurdles just to get the necessary regulatory approval to break ground. Once physical work begins

It’s not a secret that the North American power mix is changing. Renewable energy and natural gas are picking up market share while coal-fired generation shrinks and nuclear power remains stagnant at best

Tennessee Valley Authority (TVA) CEO Bill Johnson in an exclusive interview with POWER suggested that the power industry continues to face an uncertain future.  Johnson said that during his 40-year career, he has seen more change in the last five years than in the previous 35 combined. Several indicators imply that will continue going forward. […]

The generating fleets owned by some of the largest companies in the U.S. (ranked here by capacity in 2017) have transformed over the past four years, in some cases dramatically, as total revenues fluctuated. Sources: Fidelity Investments (revenue data standardized by S&P Capital IQ); EIA-860 detailed data; SEC 10-K filings, and company websites. —Copy and artwork by Sonal Patel, a […]

Joe Grimes, executive vice president of generation with the Tennessee Valley Authority (TVA), gave the keynote presentation during the ELECTRIC POWER Conference and Exhibition, which was held March 19–22 in Nashville, Tennessee. His presentation focused on steps TVA is taking to diversify its generation portfolio in order to reduce risks and keep costs as low […]

The Watts Bar 2 nuclear unit has a lengthy and well-chronicled history. Construction began on the unit in 1973. It was suspended in 1985 due to slower electricity demand growth, rising construction costs due to inflation and new regulatory requirements stemming from the accident at Three Mile Island in 1979, and regulatory concerns throughout the […]

Markets may currently favor natural gas, but coal, which has been diminished for “good reason,” will likely have a significant place as a reliable fuel for power generation, a diverse panel of U.S. coal experts—including a generator, a supplier, and a market analyst—suggested at CERAWeek by IHS Markit in Houston on March 7. Coal lost […]

The Trump administration’s fiscal year 2019 budget request released February 12 asks for more money to support fossil fuel-based power systems, but seeks funding below current levels for other energy initiatives, including renewable energy and energy efficiency. The energy funding is part of a $4.4 trillion budget that features large increases in military spending, along […]