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US grid storage needs further policy action – Wartsila

Storage will be a key part of enabling the grid to be supplied by 40-60pc renewables

The US Department of Energy’s latest energy ‘earthshot’ initiative will not completely solve the problem of achieving cost-effective grid-scale energy storage at scale, according to Andy Tang, vice president of global energy storage and optimisation at engineering firm Wartsila. The initiative is designed to reduce the cost of grid-scale long-duration energy storage by 90pc within the decade by accelerating breakthroughs in research and development.    Announcing the initiative, US energy secretary Jennifer Granholm said  more storage was needed for the hundreds of gigawatts of clean energy that were to be added to the grid over the next few years. “Bold goals will help, but the



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