Summerhill is Canada’s leading Demand-Side Management Implementation Services company, specializing in customer engagement with the purpose of engaging customers in a positive and meaningful way that achieves maximum participation and energy efficiency results. We specialize in providing turnkey solutions from strategy and planning through to program design and implementation. We design and implement Energy Efficiency and Demand Response programs using a Client Centric Approach as our guiding philosophy that ensures we always provide robust program designs with unsurpassed customer engagement, and world class program management. Summerhill’s Client Centric Approach and unparalleled customer engagement expertise are why our programs continue to surpass client expectations and are why we are both the leading Canadian program delivery company and an emerging force in the USA.
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The Summerhill Group annual revenue was $15 million in 2026.
Ersilia Serafini is the President and CEO of Summerhill Group.
49 people are employed at Summerhill Group.
Summerhill Group is based in Toronto, Ontario.
The NAICS codes for Summerhill Group are [54, 541711, 541, 5417, 54171].
The SIC codes for Summerhill Group are [737, 73].