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Calpine Energy Solutions
retail energy suppliers, natural gas, retail energy marketers, licensed retail energy provider,
Commonwealth Edison Company
ComEd is the electric utility serving northern Illinois and provides service to approximately 3.8 million customers.
Dynegy
Retail electric supplier serving residential and business customers in Illinois.
Sentry Energy
Sentry Energy works with commercial and industrial clients to simplify their electricity and natural gas purchasing: finding the best program at the lowest price, cutting costs to grow profits.
