TheTechno Optimist.

Darlington New Nuclear ProjectOntario Power Generation—Canada Growth Fund and Building Ontario Fund commit C$3 billion for 22.5% of the Darlington SMR projectDarlington New Nuclear ProjectOntario Power Generation—Williams Treaties First Nations invest C$700 million in OPG's Darlington SMR project

Ontario Power Generation

Nuclear and hydro utility, Darlington SMRs

CAgovernmentest. 1999opg.com (opens opg.com)Checked 11 Oct

The brief

Analyst view
  • Wholly owned by the Government of Ontario; generates about half of Ontario's power.
  • Building four GE Vernova Hitachi BWRX-300s at Darlington: C$20.9 billion, 1,200 MW, first unit on the grid by end-2030.
  • Finished refurbishing Darlington's four CANDU units in early 2026, ahead of schedule and under budget.
Primer