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PG&E to offer US’ first vehicle-to-grid export rate for commercial electric vehicles

Green Car Congress

Pacific Gas and Electric Company (PG&E) has received approval to establish the nation’s first vehicle-to-grid (V2G) export compensation mechanism for commercial electric vehicle (EV) charging customers in its California service area. —Aaron August, PG&E Vice President, Utility Partnerships and Innovation.

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

Green Car Congress

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. In comparison, the energy density for lithium-ion batteries used in commercial electronics and electric vehicles is around 170–250 Wh/kg.

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NREL review explores potential value of EV managed charging for realizing effective vehicle-grid integration

Green Car Congress

Their findings, published in Energy & Environmental Science , provide a comprehensive look at how EVs and the grid could work together as the electric and transportation sectors become intertwined. Any form of EV managed charging requires communication between the utility and the vehicles.

Grid 259
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False Starts: The Story of Vehicle-to-Grid Power

Cars That Think

They wanted to see whether an electric vehicle could feed electricity back to the grid. The company’s president, Tom Gage , dubbed the system “vehicle to grid” or V2G. And EV owners would become entrepreneurs, selling electricity back to the grid. The experiment seemed to prove the feasibility of the technology.

Grid 135
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California faces worsening grid challenges on Monday and Tuesday; CAISO calls for even greater reductions in electricity use

Green Car Congress

when they are urged to set thermostats to 78 degrees or higher, avoid using major appliances, turn off all unnecessary lights and avoid charging electric vehicles. Consumer and commercial demand response, including Flex Alerts, has been helping to extend tight resources at critical hours so far this week.

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Daimler Truck North America and partners to form JV for nationwide charging network for MD and HD commercial vehicles

Green Car Congress

As in Europe, the lack of a publicly available, nationwide electric charging infrastructure for commercial vehicles in the US, especially for long-haul freight operations, remains one of the biggest barriers for widespread deployment of electric trucks.

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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. —Dubarry et al.

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