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Energy Vault to provide 1.6 GWh of gravity energy storage to support DG Fuels SAF projects

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Energy Vault, a company developing grid-scale gravity energy storage solutions, has entered into an energy storage system agreement with DG Fuels, a developer of renewable hydrogen and biogenic-based, synthetic sustainable aviation fuel (SAF) and diesel fuel.

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DOE Awarding $620M for Smart Grid Demonstration and Energy Storage Projects

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The US Department of Energy is awarding $620 million for projects around the country to demonstrate advanced Smart Grid technologies and integrated systems. Smart grid regional demonstrations involving plug-in vehicles include (ranked by DOE funding): Columbus Southern Power Company (doing business as AEP Ohio).

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Highview Power and Encore Renewable Energy to co-develop the first long-duration, liquid-air energy storage system in US

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Highview Power Storage, Inc., a provider of long duration energy storage solutions, and Encore Renewable Energy, a developer of renewable energy generation and storage projects, jointly announced plans to develop the United States’ first long-duration, liquid-air energy storage system.

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Stanford study quantifies energetic costs of grid-scale energy storage over time; current batteries the worst performers; the need to improve cycle life by 3-10x

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A plot of ESOI for 7 potential grid-scale energy storage technologies. Benson from Stanford University and Stanford’s Global Climate and Energy Project (GCEP) has quantified the energetic costs of 7 different grid-scale energy storage technologies over time. Credit: Barnhart and Benson, 2013.

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New lithium polysulfide flow battery for large-scale energy storage

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Researchers from the US Department of Energy’s (DOE) SLAC National Accelerator Laboratory and Stanford University have designed a new lithium/polysulfide (Li/PS) semi-liquid (flow) battery for large-scale energy storage, with lithium polysulfide (Li 2 S 8 ) in ether solvent as a catholyte and metallic lithium as an anode.

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Southern California Edison to buy 261 MW of energy storage projects; largest grid-connected storage purchase in US

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The new contracts result from a plan recommended by SCE in response to state forecasts of local reliability needs due to the closure of the San Onofre Nuclear Generating Station and anticipated retirement of older, natural gas generation plants along the Southern California coastline that rely on ocean water for their cooling needs.

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USC team develops novel organic redox flow battery for large-scale energy storage

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Scientists at USC have developed a novel water-based Organic Redox Flow Battery (ORBAT) for lower cost, long lasting large-scale energy storage. ORBAT employs two different water-soluble organic redox couples on the positive and negative side of a flow battery. Schematic of ORBAT. Click to enlarge. —Yang et al.