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Hawaii study finds vehicle-to-grid discharge detrimental to EV batteries

Green Car Congress

Results of a study by a team at the Hawaii Natural Energy Institute, SOEST, University of Hawaii at Manoa, suggest that the additional cycling to discharge vehicle batteries to the power grid in a vehicle-to-grid (V2G) scenario, even at constant power, is detrimental to EV battery cell performance.

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Sumitomo Electric demoing ESS for power grid in California; US’ largest redox flow battery system

Green Car Congress

and New Energy and Industrial Technology Development Organization (NEDO), in cooperation with the State of California and public utility company San Diego Gas & Electric (SDG&E), started the demonstration of the United States’ largest redox flow battery system in California. Sumitomo Electric Industries, Ltd.

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SwRI to demonstrate use of electric vehicles as part of emergency power microgrid under US Army SPIDERS program

Green Car Congress

SPIDERS aims to create a resilient, more reliable microgrid designed to protect against extended power outages caused by natural disasters, accidents or attacks—and, ultimately, to enhance electric power surety for national security. Harbor/Hickam, Hawaii; Fort. independent from the bulk power grid (i.e.,

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A123 Systems to supply 1MW Li-ion grid storage system to Maui Electric Company; 2MW system for NSTAR demonstration

Green Car Congress

Li-ion battery maker A123 Systems will supply a Grid Battery System (GBS) to Maui Electric Company (MECO), a utility serving residents and businesses on the islands of Maui, Lanai and Molokai in Hawaii. The system, NSTAR’s first battery energy storage project, is proposed for installation at a substation in Medway, Mass.

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Burns & McDonnell develops bi-directional fast chargers for SPIDERS program

Green Car Congress

Under the SPIDERS program, the DOD is demonstrating and testing the effectiveness of utilizing multiple diesel generators in conjunction with photovoltaic (PV) arrays and other energy storage media to operate a stable, medium-voltage microgrid upon prolonged loss of utility power.

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REV delivers 1st of 4 battery-electric vehicles with V2G capability to TARDEC

Green Car Congress

has delivered the first of what it calls “Ancillary Power Vehicles” (APVs)—batter-electric vehicles with a vehicle-to-grid (V2G) capability—to the US Army Tank Automotive Research Center (TARDEC) in Hawaii this week in partnership with Honeywell Aerospace. Canada-based Rapid Electric Vehicles, Inc.,

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How Carmakers Are Responding to the Plug-In Hybrid Opportunity

Tony Karrer Delicious EVdriven

The utility.will get a Ford plug-in hybrid vehicle by the end of this year and as many as 20 by some time in 2009 to test their durability, range and impact on the power grid, said Susan M. Lutz believes there will be rapid battery development over the next three to four years that will provide more energy storage.

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