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Sandia team puts power into local grid with supercritical CO2 closed-loop Brayton-cycle turbine

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Sandia National Laboratories researchers recently delivered electricity produced by a new power-generating system to the Sandia-Kirtland Air Force Base electrical grid. The system uses heated supercritical carbon dioxide instead of steam to generate electricity and is based on a closed-loop Brayton cycle.

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New long-duration, extended capacity Na-Al battery design for grid storage

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The new battery design could help ease integration of renewable energy into the electrical grid at lower cost, using Earth-abundant metals, according to a study just published in Energy Storage Materials. The new sodium-based molten salt battery uses two distinct reactions. hours under laboratory conditions.

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California faces worsening grid challenges on Monday and Tuesday; CAISO calls for even greater reductions in electricity use

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The California Independent System Operator (CAISO) is stepping up its call for consumers to lower electricity use in the afternoons and evenings to avoid outages over the next few days. The ISO issued a statewide Flex Alert, its sixth straight day calling for consumers to cut their electricity use, on Monday from 4 p.m.

Grid 370
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XL Fleet launches XL Grid division with charging infrastructure solutions

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XL Fleet, a leading provider of vehicle electrification solutions for commercial and municipal fleets, has entered into a partnership with a commercial EVSE (electric vehicle supply equipment) supplier to begin the launch of its XL Grid division. —Tod Hynes, Founder and Chief Strategy Officer of XL Fleet.

Grid 303
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US DOE releases 2023 Critical Materials Assessment to evaluate supply chain security for clean energy technologies

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The US Department of Energy (DOE) released its 2023 Critical Materials Assessment (2023 CMA), which evaluated materials for their criticality to global clean energy technology supply chains. The Assessment focuses on key materials with high risk of supply disruption that are integral to clean energy technologies.

Clean 370
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GM expanding into new commercial applications for its HYDROTEC fuel cell systems

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GM announced new commercial applications of its HYDROTEC fuel cell technology. They could also back up or temporarily replace grid-sourced electricity for residential and small commercial enterprises at times of power disruption. A palletized MPG to power military camps and installations quietly and efficiently.

GM 448
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Commercially operated Wärtsilä engine runs on 25 vol% hydrogen blend

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Throughout the testing period, the Wärtsilä engine continued to supply power to the grid. This is the largest commercially operated grid-connected flexible balancing engine ever to run on a hydrogen fuel blend, representing therefore a world-first achievement.

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