Questions? Contact us at 216-592-2205 or

In partnership with OnDemand Energy, COSE is pleased to offer its members and their employees more options than anywhere else and a no-cost consultative review of your natural gas and/or electric bill.

Get a fixed energy supply rate for your home, plus up to $75 VISA Prepaid Card when you enroll with Constellation for your home’s energy supply. Or enroll just one, and receive $25 for natural gas and $75 for both natural gas and electric.  Enroll online at  or call our energy consulting partners, OnDemand Energy at (855)267-3688 to enroll by phone. 

Enrollment Information

The first step in the enrollment process is to fill out the Letter of Authorization. This way we can evaluate your utility bills.

For quicker service, please have your utility bill with you when registering for our energy discounts. To understand your electric and gas bills, we have provided you with information you need to know:

OnDemand Energy is the managing consultant of the COSE Natural Gas and Electric Choice Programs. They provide both commercial and residential electric opportunities to COSE members, chamber partners and applicable chamber affiliates.