Honda has joined a demonstration project for experimental
vehicle-to-grid (V2G) technology aimed at providing a potentially
valuable energy storage resource to the nation's electrical grid while
providing for more cost-effective ownership of plug-in electric
vehicles.
The Honda technology builds off of the research conducted by the
University of Delaware and now supported by NRG Energy, Inc. NRG and
the University of Delaware, through their eV2g joint venture, came
online early in 2013 with the world's first revenue-generating
vehicle-to-grid project, demonstrating the controls, regulatory
requirements, and market participation rules for selling energy storage
from vehicles into the PJM Interconnection Regulation Market. Honda is
supplying an Accord Plug-In Hybrid with added V2G capabilities to the
University's Science, Technology and Advanced Research (STAR) Campus to
jointly investigate the potential of this technology to benefit the
electrical grid, vehicle owners and society.
Using smart grid technology, the V2G system is able to monitor the
status of the grid to determine whether the grid requires additional
power sources that can respond rapidly, or the grid requires power
demands that can absorb transitional power supply. Such a system has the
potential to reduce or eliminate the fluctuation of the grid, which can
occur more frequently when renewable energy sources are introduced to
the grid. Electric vehicle owners potentially benefit from supporting a
more stable power grid, which can lead to reduced utility costs for the
vehicle owner.
The Honda Accord Plug-In Hybrid demonstration vehicle is equipped
with a bi-directional on-board charger, which allows the vehicle
propulsion battery to both charge from and discharge to the electrical
grid. With an additional communication device, the vehicle receives
signals from a grid operator via a charging station, and controls charge
and discharge in accordance with the signals. When electric power is
requested by the grid, the vehicle will discharge power from its
battery. When the grid power supply exceeds demand, the vehicle
proactively charges its battery.
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