Constellation to Supply Electricity to Meet Marriott’s Energy Needs under Competitive Supply Program in Arizona

  Constellation to Supply Electricity to Meet Marriott’s Energy Needs under
  Competitive Supply Program in Arizona

  Select large customers could see significant savings off standard utility
                               generation rates

Business Wire

PHOENIX -- December 11, 2012

Constellation today announced it will provide electricity supply to meet the
energy requirements of hotel leader Marriott as part of a recently implemented
competitive supply program allowing select large Arizona commercial customers
to have their electricity supply provided by the competitive marketplace.

Constellation’s agreement with Marriott is part of a new program established
through a recent rate case settlement with Arizona Public Service Company
(APS). Under the program, eight large customers in the APS service territory –
chosen through a lottery – may select an alternate supplier of electricity in
lieu of APS’s standard service. Customers participating in the program must
have a minimum peak load of 10 MW, and the overall size of the program is
capped at 200 MW of peak load.

While savings will vary based on customer usage and contract terms, Marriott
expects to save about 10 percent when compared to APS standard service rates.
Given the savings potential for Marriott and other eligible customers,
available space in the program was fully subscribed earlier this year with
several customers put on a waiting list.

“Competition will help some of Arizona’s largest public and private sector
employers save on electricity costs and that’s good news for the state’s
economy,” said Mark Huston, senior vice president and head of retail for
Constellation. “The enthusiastic response to this program clearly indicates
customers are eager for the benefits of competition and the potential for
retail choice in Arizona.”

Marriott began taking service under this program on Dec. 1, 2012. To initiate
the service, Constellation has executed a trilateral wholesale supply
agreement with Marriott and APS, which will be administered by the company’s
Constellation NewEnergy, Inc. and Constellation Energy Commodities Group, Inc.

About Constellation

The Constellation family of retail electricity and natural gas suppliers
(, are subsidiaries of Exelon Corp., and are leading
competitive retail suppliers of power, natural gas and energy products and
services for homes and businesses across the continentalUnited
States.Constellation’s retail businesses serve more than 100,000 business and
public sector customers, including more than two-thirds of the Fortune 100,
and nearly one million residential customers.

Exelon Corporation (NYSE:EXC) is the nation’s leading competitive energy
provider, with approximately $33 billion in annual revenues. Headquartered in
Chicago, Exelon has operations and business activities in 47 states, the
District of Columbia and Canada. Exelon is the largest competitive U.S. power
generator, with approximately 35,000 megawatts of owned capacity comprising
one of the nation’s cleanest and lowest-cost power generation fleets. Exelon’s
utilities deliver electricity and natural gas to more than 6.6 million
customers in central Maryland (BGE), northern Illinois (ComEd) and
southeastern Pennsylvania (PECO). Learn more at:


Constellation Communications
Lawrence McDonnell, 410-470-9700
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