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PNNL study finds 2028 grid resource adequacy likely sufficient for high EV penetration; managed charging strategies can double adequacy

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A new study of the impact of high EV adoption on the Western US power grid by a team from Pacific Northwest National Laboratory (PNNL) has found that 2028 grid resource adequacy—from generation through transmission—is likely to be sufficient for high EV penetration. million for the WECC.

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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 selection was part of a larger contracting for 2,221 MW of power from diverse new resources. The 2,221 megawatts will represent roughly 10% of SCE’s current total customer peak usage and is enough to power about 950,000 average homes. —Janice Lin, Executive Director of the California Energy Storage Alliance (CESA).

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PNNL study finds that PHEVs and BEVs could serve as feasible resource to offset grid imbalances caused by integration of large amounts of intermittent wind generation

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V2GFull varies not only the charging of the vehicle battery, but also can vary the discharging of the battery back into the power grid. trafficThis scenario is currently less desirable to automotive manufacturers, but provides an additional resource benefit to PHEV/BEVs by theoretically doubling their capacity value to the grid.

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Engineers Are Working on a Solar Microgrid to Outlast Lunar Nights

Cars That Think

Therefore, a power grid will not simply keep the lights on and air pumping but also support the mining and fuel-processing facilities that will concurrently work to reduce the supply requirements from Earth. For that, energy storage and power management will be critical.

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How to Prevent Blackouts by Packetizing the Power Grid

Cars That Think

That need for balance is true of electric power grids, too. Spiking demand for electric heat collided with supply problems created by frozen natural-gas equipment and below-average wind-power production. That would mean installing vast amounts of energy storage, such as. unprecedented and deadly winter freeze.

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New nanoparticle copper compound cathode could enable low-cost, long-life and high-power potassium-ion batteries for grid storage

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Short-term transients, including those related to wind and solar sources, present challenges to the electrical grid. Stationary energy storage systems that can operate for many cycles, at high power, with high round-trip energy efficiency, and at low cost are required. —Wessells et al. —Colin Wessells.

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New liquid alloy electrode significantly lowers operating temperature of sodium-beta batteries; improved performance

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C, causing sodium to curl up like a drop of oil in water, making the battery less efficient. Running at lower temperatures can make a big difference for sodium-beta batteries and may enable batteries to store more renewable energy and strengthen the power grid. °C, partly due to the poor wettability—i.e.,

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