As intermittent renewables penetrate further into the grid mix, reliable firm power generation is needed for whenever there is a shortfall. But back-up power, by its nature, has unreliable utilisation rates. And up-front costs for new plants are high, be they gas-fired plants, coal, nuclear, or large-scale storage. That makes future profitability uncertain, and private investors nervous. Hence the need for “capacity mechanisms” that guarantee … [Read more...]
Utah: 140MW Geothermal bid can beat the cost and performance of the proposed Nuclear SMR
The U.S. state of Utah is processing an agreement for a new Small Modular Reactor (SMR) to provide baseline and dispatchable power. The SMR bid quotes a price of $89/MWh. But cost overruns will tie the state’s consumers to whatever high prices entail, says Dennis Wamsted at IEEFA. Now a geothermal bid from NV Energy has been presented that offers the same capacity at around $70/MWh. Wamsted explains why the 140MW geothermal project would meet … [Read more...]
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