On October 1, 2018, a wholly owned Ontario subsidiary of EPCOR Utilities Inc. (EPCOR) completed the acquisition of Collus PowerStream Corp., an electricity distributor to more than 17,000 residential, commercial and industrial customers in Collingwood, Stayner, Creemore and Thornbury in southwestern Ontario.
 
"We are committed to making the transition to EPCOR as seamless as possible for our customers, and are pleased to welcome our new employees," said Stephen Stanley, EPCOR Senior Vice President, Commercial Services. "We look forward to becoming a strong part of the communities we now proudly serve."
 
Through the acquisition, all employees of Collus PowerStream have joined the EPCOR team.
 
"EPCOR will be an anchor in our community for years to come, as a safe and reliable electricity provider and outstanding citizen. We are very confident in EPCOR's approach and its commitment to operational excellence," said Town of Collingwood Mayor, Sandra Cooper.

The Ontario Energy Board approved EPCOR's acquisition of Collus PowerStream on August 30, 2018.​