ComEd Conducting Illinois’ First Community Energy Storage Pilot

ComEd announced today the launch of a pilot project to test the use of
battery storage technology to reduce the impact of power outages in
residential areas where customers experience service interruptions,
particularly in extreme weather events.

ComEd’s Community Energy Storage (CES) pilot is being conducted in
Beecher, Ill., approximately 40 miles south of Chicago. The pilot will
focus on improving power reliability for customers experiencing multiple
interruptions. One of the first utilities in the nation to install CES,
ComEd will also evaluate the potential of this technology to serve as a
proactive tool to drive continuous improvement in service reliability.

“Through grid modernization and smart grid investments, our reliability
performance has been best on record for five years running, and we’re
committed to continuous improvement,” said Michelle Blaise, senior vice
president, Technical Services, ComEd. “We want all ComEd customers to
experience great reliability and that’s why we’re innovating and
piloting emerging technologies such as energy storage to bring new value
to communities and help improve service for our customers. We’re excited
about the potential that battery storage offers to minimize the impact
of a power outage while we continue to make progress in preventing them.”

ComEd is using the PureWave Community Energy Storage system from
Chicago-based S&C Electric Company. Featuring a 25kWh lithium-ion
battery, the CES unit was installed near the existing ComEd equipment
that provides power to the homes of Beecher customers selected for the
pilot. In the event of a power outage, the energy storage system will
automatically restore power and has enough capacity to supply power to a
group of customers for the duration of most typical outages. The
momentary power outage when the battery storage takes over is barely
perceptible while crews take the precautions needed to ensure a safe and
seamless return-to-normal.

Blaise said that additional CES pilots are planned for the ComEd service
territory. ComEd is also exploring the potential of energy storage to
support the integration of renewable energy sources. The company
received a $4 million grant from the Department of Energy to develop and
test a system that integrates solar and battery storage with a
microgrid, which is a small energy grid that can power a local, defined
area in times of emergency.

Commonwealth Edison Company (ComEd) is a unit of Chicago-based Exelon
Corporation (NYSE: EXC), the nation’s leading competitive energy
provider, with approximately 10 million customers. ComEd provides
service to approximately 3.9 million customers across northern Illinois,
or 70 percent of the state’s population. For more information
visit ComEd.com,
and connect with the company on Facebook,
Twitter
and YouTube.

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