Electric Vehicles

Chrysler Group Partners with NextEnergy to Evaluate Revenue Potential of V2G Technology

July 19, 2013

Chrysler Group has partnered with NextEnergy, a non-profit organization that focuses on energy-technology, to evaluate vehicle-to-grid (V2G) technology using four all-electric minivans. If the EVs prove to be viable storehouses of electricity, they could provide energy savings by sending surplus power to the grid.

The two-year Chrysler-NextEnergy partnership launched in 2011 and has been gathering data from four Chrysler Town & Country minivans equipped with all-electric powertrains. Each is powered by a 24kwH battery modified to accommodate bidirectional charging.

The battery-powered minivans that are connected to a charging module using NextEnergy technology to simulate any electrical grid in the world. One of the scenarios under study is a reduced reliance on “spinning reserves” – the expensive practice of having huge generators at the ready to balance spikes in energy demand.

If EVs were linked together in sufficient numbers and their combined surplus power was sold to utility companies, they could conceivably offset demand surges. The expectation is that tapping such a reservoir would cut costs for utility companies, while also putting money into the pockets of EV owners. Similarly, a mini-grid composed of EVs would enable “peak-shaving,” which would see EV owners draw from their own power reserves during those hours when demand for electricity – along with its price – is highest.

In addition to studying vehicle design elements such as battery size, engineers are investigating how EVs with reverse power-flow might affect grids known as Independent System Operators (ISO). An ISO buys, sells, and transmits electricity. Project engineers are collecting real-time pricing data from ISOs and weighing them against projected battery performance to help define revenue expectations.

Preliminary results show particular promise for ISOs that utilize solar and wind energy. Final results will be compiled later this year.

The project is funded with $1 million from the Michigan Economic Development Corporation (MEDC) and $400,000 from NextEnergy. Chrysler Group is supplying the vehicles and in-kind engineering support.

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