Ersilia Serafini

Summerhill Group, Inc. operates as a energy efficiency services company that specializes in consumer engagement. The firm works with electric and gas utilities, municipal, and investor-owned utilities. The company was founded by Ian Morton in 1993 and is headquartered in Toronto, Canada.

Independent Electricity System Operator engages in operation of electrical systems. Its services include managing the power system in real-time, planning for the province's future energy needs, enabling conservation and designing a more efficient electricity marketplace to support sector evolution. The company is headquartered in Toronto, Canada.