Large hydroelectric

Small Hydroelectric

• Auburn (Otanabee River)
• Big Chute (Severn River)
• Big Eddy (Muskoka River)
• Bingham Chute (South River)
• Coniston (Wanapitei River)
• Crystal Falls (Sturgeon River)
• Fanshawe Dam (Thames River)

Non hydroelectric

• Pittock Dam (Thames River)
• Wildwood Dam (Thames River)
• Crooks' Hollow Dam (Spencer Creek, Greensville)
• Claireville Flood Control dam and reservoir, Claireville Conservation Area (Humber River (Toronto)
• G Ross Lord Park Flood Control dam and reservoir, G Lord Ross Park (Don River (Toronto)
• Milne Dam and Reservoir, Milne Park Conservation Area - Markham (Rouge River (Toronto))
• McLeod Dam Green Energy Project (Moira River (Belleville))
• Orangeville Reservoir, Orangeville, Ontario - 332 acres lake is at the headwaters of the Credit River and Nottawasaga River

Planned Upgrades or Projects

• Umbata Falls Hydroelectric Project - Installed capacity of 23MW Q2 2008. This project in progress is a partnership of the Pic River First Nation and Innergex II Income Fund (on the White River, near Marathon).
• Island Falls Hydroelectric Project - Installed capacity of 20 mW Q4 2009. Canadian Hydro Developers Inc. Location: Smooth Rock Falls.
• Glen Miller Hydroelectric Project - Innergex II Income Fund (Trenton).

Hydroelectric generation under development

• Little Long, Harmon, Kipling and Smoky Falls - 450MW
• Lower Sturgeon, Sandy Falls and Wawaitin - 16MW
• Mattagami Lake Dam - 5MW