Constellation           Integrys Energy Services

Integrys Energy Services, Inc. has joined Constellation!

What does this mean to Integrys customers? No changes to service or contracts at this time. We will be merging our companies and processes to ensure seamless service and a postive customer experience. We will keep you informed of our integration progress.

Please continue to contact your current customer care and sales resources.

Read the Press Release (PDF)                  Learn More (PDF)

, Illinois
Electric Aggregation Program from Integrys Energy

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Electric Aggregation Program

Thank you for participating in the Electric Aggregation Program!

After evaluating the qualifications, experience and price offerings from potential suppliers, the has selected Integrys Energy Services as its aggregation electricity supplier.

Participation Is Automatic

As an eligible customer, you are automatically enrolled in the program unless you opt-out by . There are no enrollment or switching fees.


Integrys Price

If you want to be part of this program, you do not need to do anything.

If you do not want to participate in this program, you may opt-out online by . For additional questions please call .