May 18, 2024

OPG Issues Warning of Increased River Flows

Ranney Falls Structural Improvements Mean Increased Capacity

Recreational Users Warned Ahead of the 2022 Navigation Season

Trent Hills – Ontario Power Generation (OPG) is advising residents and tourists ahead of the Trent-Severn Waterway recreational boating season that higher river flows are expected in the navigation channel above the Ranney Falls Generating Station (GS).

Recent structural improvements at Ranney Falls GS allow for a more efficient passing of water through spillways, as well as increased generation capacity.

Moving forward, these station upgrades will increase the velocity of the river flows in the navigational boating channel above Ranney Falls GS. The change will occur near the beginning of the 2022 navigation season and will also increase the outflow of water in the tailrace, or discharge of the station.

Remember, dry or calm riverbeds below dams may look safe but they can quickly change into rapidly flowing waterways with dangerous currents.

Please obey all signs and barriers. Our message is simple – stay away from dams or you could drown.

OPG would like to remind all users of the river to take every precaution and obey all signage around dams and generating stations. To learn more about water safety, please visit (

About OPG As a global climate change leader and the largest, most diverse electricity generator in the province, OPG and its family of companies are helping lead the charge to a post-carbon economy.


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