 Google is writing software to make plug-in hybrid vehicle recharging more efficient and less dangerous to the power grid. Partnered with Ford and Toyota, it's also looking at using plugged in hybrid vehicles as backup power storage during times of grid stress. (Source: ETH)
Search engine giant is testing software that would manage charging of electric vehicles
It's a well known fact that the U.S.
electrical grid isn't
exactly up to snuff. As it has become more strained, its
age has shown and brownouts have started popping up around the
country. The sad state of the grid is holding back several
expanding fields including alternative energy (our nation recently
lost
its largest planned wind farm due to lack of grid support) and
plug-in electric vehicles. Unfortunately, fixing the grid won't
be cheap and there seems to be little enthusiasm about embarking on
such an endeavor.
Until the power utilities and the federal
government decide to fix this situation, we're stuck making due with
the grid we have. That's exactly where Google's new electric
car initiative comes in to help. Google, whose internet search
software and other online applications made it the most dominant site
on the web, is looking to write
software to help plug-in EVs interface with the grid in a smarter
fashion and avoid putting too much stress on it. The technology
is part of Google's diverse green grid initiative, which also
includes PowerMeter
technology to help homeowners monitor their personal consumption
and cut their monthly power bills.
Dan Reicher, Google's
director of Climate Change and Energy Initiatives describes, "We
are doing some preliminary work. We have begun some work on
smart charging of electric vehicles and how you would integrate large
number of electric vehicles into the grid successfully. We have
done a little bit of work on the software side looking at how you
would write a computer code to manage this sort of charging
infrastructure"
Google first began working on the problem
in 2007, using retrofitted Toyota Prius and Ford Escape
gasoline-electric hybrid plug-ins. Among the ideas Google
looked at was plugging in the vehicles when they were parked, giving
the grid a series of battery backups to reduce strain on it.
Electricity would be returned to vehicle before the driver hit the
road again.
Mr. Reichner says the testing has been
proceeding "pretty intensely". He describes, "One
of the great things about plug-ins is this great opportunity for the
first time to finally have a storage technology."
He says
that great consideration must be taken to prepare for the strain on
the grid before millions
of electric vehicles hit the roads and plug-in for daily
recharges. He states, "We got to be careful how we manage
these things. On a hot day in July when 5 million Californians
come home, you don't want them all plugging in at the same
moment."
Google is looking at the possibility of turning
off charging to EVs in times of peak grid demand. Mr. Reichner
describes this format, stating, "The grid operators may well be
indifferent to either putting 500 megawatts of new generation on or
taking 500 megawatts off. The beauty of plug-in vehicles is
that with the right software behind them, you could manage their
charging."
Aside from cooking up EV solutions, Google's
green initiative has invested heavily in alternative energy startups
-- everything from high-altitude
wind to geothermal
power. It is also cooking up a new mirror for solar
farms that looks to affordably increase yields and lower the cost
per kWh of solar generation. It is also developing gas turbines
that would run on solar power rather than natural gas. The
projects are all part of Google.org, the philanthropic arm of the
wealthy corporation.
"Let's face it, we're not changing the world. We're building a product that helps people buy more crap - and watch porn." -- Seagate CEO Bill Watkins
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