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Hybrid cars may affect power distribution
Mar 19, 2008 - UPI
U.S. government scientists have found the increasing
use of plug-in hybrid electric cars and trucks might
substantially affect power distribution.
Oak Ridge National Laboratory researchers examined
how an expected increase in ownership of hybrid electric
cars and trucks will affect the nation's power grid
depending on the time of day or night the vehicles
In an analysis of the potential impacts of plug-in
hybrid electric vehicles projected for 2020 and 2030
in 13 U.S. regions, ORNL researchers ran several scenarios
for each region for the times of 5 p.m. or 10:00 p.m.,
in addition to other variables.
The report found in the worst-case scenario -- if
all hybrid owners charged their vehicles at 5 p.m.
at six kilowatts of power -- 160 large power plants
would be needed nationwide to supply the extra electricity,
and the demand would reduce the reserve power margins
for a particular region's system.
The research appears in the current issue of the
journal ORNL Review.
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