Monday, April 9, 2007

Silicon Valley V2G Plug-in Hybrid Demo

Sen. Barbara Boxer attended a Silicon Valley Alternative Energy Summit today and PG&E was there with its plug-in hybrid Prius.

Green Wombat reports on the Vehicle to Grid (V2G) capability demonstrated by PG&E.
The modified Toyota Prius was plugged into a into a standard PG&E meter outside Advanced Micro Devices's Sunnyvale headquarters. As the car's lithium ion battery powered a bank of lights and a portable heater, the meter began to run backwards.
Add some solar panels to the mix and you've got the makings of a comprehensive policy: prioritize renewable electricity, plug-in cars and V2G. I hope Sen. Boxer had an epiphany.

6 comments:

eak said...

Tom Gage in a recent presentation questioned whether plug-in hybrids (PHEVs) are worth making V2G (unlike pure battery EVs with their much larger battery packs). I too wonder how much sense this makes. The far bigger win, IMO, is to let the grid control when PHEVs charge. When you have a car parked 21-23 hours a day, and it can charge anytime in that time, that's a lot of grid flexibility (30 miles of PHEV range at 120V, 12A takes 5.6 hours).

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