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of Ontario's hydroelectric generation comes from OPG's clean, reliable hydro fleet.
Laying the foundation for the G7's first SMR
A welder by trade, a teacher at heart
"When I grab that welding helmet and strike an arc, I zone out and I’m in this world where nothing else is happening. It’s a skillset that requires 100% of every motor skillset of a human being. It’s very calming for my mind."
Erik Dickerson
A Trades Management Supervisor with OPG who is passionate about welding - and sharing his journey with young people.
OPG in photos
Big machine for a small reactor
The cutterhead is installed on the tunnel boring machine that will be used to help bring the G7's first grid-scale Small Modular Reactor online. Nicknamed Harriett Brooks, after Canada's first female nuclear physicist, the machine will bore and line the 3.4-kilometre-long Condenser Cooling Water tunnel for the project.
OPG WattNext Power Expo
A young visitor bumps fists with Spot the robot dog at the OPG WattNext Power Expo, held on Sept. 19 at the Darlington Energy Complex. This was OPG's largest Power Expo yet as we welcomed more than 5,000 visitors from across Durham Region and beyond.
OPG WattNext Power Expo
Visitors to the OPG WattNext Power Expo, held in September at the Darlington Energy Complex, view a full-scale CANDU reactor mock-up. More than 5,000 people from the community came out for the annual event.
Advancing the G7's first SMR
OPG recently marked another milestone for the G7's first SMR with the safe installation of the Marine Intake Structure Centrepiece. Weighing an incredible 950,000 pounds, the 16‑square‑metre concrete structure now sits on the bottom of Lake Ontario above the intake shaft installed last summer – critical pieces that will eventually help bring cooling water to support the G7’s first grid-scale Small Modular Reactor.
OPG WattNext Power Expo
Visitors don nuclear personal protective equipment at the OPG WattNext Power Expo, held on Sept. 19 at the Darlington Energy Complex.
A new day dawns for Matabitchuan GS
Mornings at OPG's generating sites can bring some amazing views. This photo, taken at Matabitchuan Generating Station in northeastern Ontario, captures a gorgeous fall sunrise. The hydroelectric station on the Matabitchuan River is currently undergoing a redevelopment, which is expected to be completed in 2028.
A landmark announcement
Nicolle Butcher, OPG's President and CEO, speaks during an announcement by the Williams Treaties First Nations on June 23, 2026. The Nations will be investing $700 million in OPG's Small Modular Reactor project - the largest collective First Nations investment in nuclear generation in Canada’s history.
OPG WattNext Power Expo
A young visitor tries out some firefighting gear while attending the OPG WattNext Power Expo on Sept. 19.
Powering soccer passion
OPG staff helped power soccer passion this summer with exciting watch parties across Ontario. Community members and staff came out to cheer on Team Canada, including here at the Saunders Hydro Dam Visitor Centre in Cornwall.
Summer fun at Saunders visitor centre
A young visitor wrangles a fish for weighing during an event at OPG's Saunders Dam Hydro Visitor Centre. Over the summer, the centre welcomed more than 6,500 guests from across Canada and countries around the world.
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