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Compressed-air energy proposal in east Kern comes up for state review

State review is officially underway on a major energy-storage project near Rosamond that would use compressed air, thermal engineering and hydrostatic force to even out delivery of renewable power and make the state's electrical grid more resilient.

At a cost estimated at $975 million, the 500-megawatt, 4,000-megawatt-hour proposal would take electrons from renewable energy sources nearby to power air compression and underwater injection.