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Question: do you have an idea about the required extra electricity production in a scenario where all road transportation is done by electrical vehicles?
Results from electric vehicle trials show that EVs equivalent to a small petrol or diesel four-seat car use around 0.2 kWh/km in normal city traffic. With EVs or equivalent mains electrical usage from PHEVs of 20,000 km per year, each would use 3-4 MWh/yr, so for each ten million cars thus depending on the grid an extra 30-40 TWh would be required, mostly off-peak. Analysis by the Energy Supply Association of Australia (ESAA) found that an equivalent litre of electricity, or e-litre, could cost from 37 cents off-peak up to 62 cents with peak prices. It found that electric cars have the equivalent fuel costs of approximately 3 cents per kilometre, compared to 10 cents per kilometre for conventional cars.
[youtube]http://www.youtube.com/watch?v=LqcHG7QUK9k[/youtube] This video is pretty much all you need to understand energy consumption on a finite planet.
