Mitsubishi tests EV power supply for smart grid

April 13, 2012

By HIROAKI KIMURA/ Staff Writer

Mitsubishi Motors Corp set up a test facility April 12 for smart grid next-generation power networks using batteries from electric vehicles.

The test is being conducted at the company's Nagoya plant in Okazaki, Aichi Prefecture.

For the trial run, electricity from solar panels is stored in lithium-ion batteries in Mitsubishi Motors’ i-MiEV cars to power the plant's office building when demand is high.

Because the i-MiEV currently available on the market is not capable of supplying power, five prototype cars with the function have been developed for the test operation.

The project's goal is to slash the daily gap between peak and minimum levels of power use in the building by one-third.

The project team also developed a system to manage the remaining battery charge and power supply.

Mitsubishi will move ahead with the test--subsidized by the industry ministry--working together with trading house Mitsubishi Corp., Mitsubishi Electric Corp., the Tokyo Institute of Technology and other parties.

By HIROAKI KIMURA/ Staff Writer
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Mitsubishi Motors President Osamu Masuko shows off the i-MiEV vehicle at the test operation facility with solar panels in the Nagoya plant on April 12. (Hiroaki Kimura)

Mitsubishi Motors President Osamu Masuko shows off the i-MiEV vehicle at the test operation facility with solar panels in the Nagoya plant on April 12. (Hiroaki Kimura)

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  • Mitsubishi Motors President Osamu Masuko shows off the i-MiEV vehicle at the test operation facility with solar panels in the Nagoya plant on April 12. (Hiroaki Kimura)
  • The EVs store power from solar panels and send it to plant facilities. (Hiroaki Kimura)