12 Oct '11, 1pm

Demystifying Electric Vehicles, From Market Adoption to Distributed Storage: This is the first piece in a four...

Demystifying Electric Vehicles, From Market Adoption to Distributed Storage: This is the first piece in a four...

Finally, and perhaps most importantly, frequent cycling has significant impact on battery performance and lifespan. The cost of using V2G power flow is therefore the cost of the electricity with which the battery was charged in the first place plus the marginal depreciation expense per cycle, for which battery owners must be compensated. The table below estimates the cost per cycle at different battery prices and cycle lives. Current batteries cost approximately $500/kWh and last for 3,000 cycles. At these levels, the depreciation charge alone amounts to $0.14/kWh. Add to this the standard residential power price of $0.11/kWh to get to a cost per cycle of $0.25/kWh. The levelized cost of electricity provided by a peaker plant in the United States does regularly exceed $0.14/kWh, but usually only for a limited time. Hence, the value of distributed energy storage comes mainl...

Full article: http://www.greentechmedia.com/articles/read/the-electric-...

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greencarreports.com 13 Oct '11, 2pm

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greentechmedia.com 12 Oct '11, 4am

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greenbiz.com 05 Oct '11, 9am

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