# Williams Treaties First Nations invest C$700 million in OPG's Darlington SMR project

Canonical page: https://technooptimist.io/stories/williams-treaties-first-nations-invest-c-700-million-in-opg-s-d2d6ea59
Date: 23 Jun 2026
About: [Ontario Power Generation](https://technooptimist.io/companies/ontario-power-generation.md) · [Darlington New Nuclear Project](https://technooptimist.io/energy/darlington-new-nuclear.md)
Original source: https://www.bnnbloomberg.ca/press-releases/2026/06/23/williams-treaties-first-nations-announce-historic-700-million-investment-in-darlington-new-nuclear-project/

Seven Williams Treaties First Nations, through a joint partnership, are investing C$700 million in the Darlington New Nuclear Project, the largest collective First Nations investment in Canadian nuclear power. It is a loan aimed at unit 1 that converts to equity once all four units are built, backed by federal and Ontario loan guarantees.

## Key facts

- C$700M debt instrument, converting to equity after all four SMRs are complete.
- Guaranteed 50/50 by the Canada Indigenous Loan Guarantee Corporation and Ontario's Indigenous Opportunities Financing Program.
- Seven Nations take part through WTFN Investment Holdings LP.

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