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To Store or Not to Store: That is the Question

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Typical daily grid demand. “ Why do you need energy storage on the grid, when the grid is full of power plants that generate all the energy that is needed? ” It would seem like a good question to ask and applies the same logic has been used for the past fifty years in determining grid strategy.

Store 279
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SwRI develops first ERCOT-qualified vehicle-to-grid aggregation system

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SwRI’s V2G aggregation system allows electric delivery truck fleet owners to make money by using normal vehicle charge times to assist in managing grid frequency. The SwRI system suspends vehicle charging when the electric grid frequency drops too far below 60 Hertz, the normal operating frequency. Click to enlarge.

Grid 281
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Cummins invests $24M in flow battery leader VoltStorage

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The company says that it has the largest fleet of operating flow batteries in the world. By investing in VoltStorage, we are taking steps to advance solutions focused on the grid and energy storage. Vanadium redox flow battery cell. The cells of a vanadium redox flow battery each consist of two half cells. Source: VoltStorage.

Batteries 467
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BloombergNEF: solar, wind, batteries to attract $10T to 2050; curbing emissions long-term will require other technologies

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Deep declines in wind, solar and battery technology costs will result in a grid nearly half-powered by the two fast-growing renewable energy sources by 2050, according to the latest projections from BloombergNEF (BNEF). Wind and solar grow from 7% of generation today to 48% by 2050. —Matthias Kimmel, NEO 2019 lead analyst.

Wind 207
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Intermountain Power Agency orders MHPS JAC Gas Turbine technology for renewable-hydrogen energy hub, operated by LA DWP

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The power plant is connected to the Los Angeles power grid by an existing high-voltage direct-current (HVDC) transmission line. MHPS’s installed fleet of J-Series gas turbines has accumulated almost 1 million hours of operating experience. MHPS will service the plant under a 20-year long-term service agreement.

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Daimler & enercity storing new replacement EV batteries in working 15 MWh grid storage system; “living storage”

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Around 3,000 new battery packs, destined for the current smart electric drive vehicle fleet, are being pooled to create the ESS at the enercity site in Herrenhausen. The innovative approach adopted by the partners balancing power demand from the grid automatically ensures the required cycling of the batteries.

Grid 150
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Nissan and Endesa collaborating to deliver vehicle-to-grid systems to market

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The two companies have agreed to collaborate on the following activities: Introduction of V2G services in the European market; Exploring the use of second-life EV batteries for stationary applications (including households, buildings, grid); and. Designing and evaluating potential affordable energy and mobility pack offers.

Grid 150