Quote:
Originally Posted by aerostealth
Sorry about where it is posted, but it is interesting. This is the reason fossil fuels will go by the wayside however. The storage energy density and cost per KWH of capacity is getting past the tipping point. Internal combustion engines just will not be able to keep up in efficiency as compared to electric drive once the energy density storage/cost problem is solved. We are nearly there.
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Some places the tipping point has already passed ... other places will not be far behind.
By 2012 U.S. installed PV cost was a median $5.3/w with larger over 10MW installs ranging from $2.5/w to $4/w
Link .. that's a significant drop from the $6.2/w median of just 2010 (previous posted graph).
For those that fell into the $2.5/w installed ... that is effectively getting roughly ~$0.10/kwh electricity ... many places around the country are more expensive than this for fossil fuel grid electricity.
With an BEV that gets roughly ~4mile/kwh ... that's only ~$0.025/mile for fuel cost.
Gasoline @ just $3/gallon (average over the next 20yr) .. would have to have a car getting over 120MPG just to break even with that $2.5/w BEV RE-PV fuel cost per mile.
The US national electric grid had a median cost of $0.0934/kwh in 2010 .. with specific locations varying from as low as $0.0421/kwh to as high as $0.3013/kwh.
Some of those high $/kwh locations are already past the tipping point , and are already cheaper for PV fuel BEV than pump gasoline.... but the others at the very bottom lowest $/kwh in the country will probably be the last places that will pass the tipping point ... to beat both $3/gallon ICE Pump , and the $0.0421/kwh BEV fossil fuel grid cost .. PV in those locations would have to get an installed cost under ~$1/w ... that low will take a while yet.