Williams Treaties First Nations Invest $700 Million in Ontario Power Generation’s Darlington New Nuclear Project

June 23, 2026

The Williams Treaties First Nations announced a landmark C$700 million investment to support Ontario Power Generation’s Darlington New Nuclear Project (DNNP), including Canada’s first grid-scale Small Modular Reactor (SMR). The Nations’ participation is supported through a loan guarantee backed by the Canadian Indigenous Loan Guarantee Corporation (CILGC) and a 50% participation guarantor role by the Province of Ontario.

Buyers
Williams Treaties First Nations
Targets
Ontario Power Generation’s Darlington New Nuclear Project (DNNP)
Industry
Energy
Location
Ontario, Canada
Transaction Type
Growth capital

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