Ontario Power Generation Secures $970M Loan From Canada Infrastructure Bank for Darlington SMR Project

Why It Matters

The Darlington SMR signals Canada’s transition to new‑build nuclear, creating domestic supply‑chain jobs and export opportunities while exposing the sector to foreign fuel dependencies.

Key Takeaways

• First G7 SMR construction, 300 MW each, 1,200 MW total
• $3.97 billion public financing backs Darlington SMR project
• Enriched uranium need ties Canada to foreign fuel supply
• Competes with US, UK, France SMR programs for scale

Pulse Analysis

Canada’s nuclear landscape is entering a new era as Ontario Power Generation begins construction of the Darlington small modular reactor (SMR) complex. The BWRX‑300 design, a mature boiling‑water reactor variant, offers a streamlined path to deployment compared with earlier SMR concepts, allowing OPG to leverage existing regulatory expertise and operational experience. With a projected 1,200 MW capacity, the project will diversify Ontario’s generation mix, support rising electricity demand from electrification, and provide a reliable baseload for data‑center‑heavy regions.

The financing package—approximately $2 billion from the Canada Growth Fund, $1 billion from the Building Ontario Fund, and a $970 million loan from the Canada Infrastructure Bank—underscores federal and provincial confidence in nuclear as a climate‑friendly, energy‑secure solution. Beyond construction jobs, the build is expected to stimulate demand for specialty steels, zirconium, and niobium, reinforcing Canada’s advanced‑materials sector. However, the shift to enriched‑uranium fuel marks a strategic departure from the domestic CANDU supply chain, linking the project to overseas enrichment services and raising supply‑risk considerations.

Internationally, the Darlington SMR places Canada in direct competition with the United States, United Kingdom and France, all pursuing standardized, repeatable SMR deployments. Success will hinge on OPG’s ability to transition from a single‑unit pilot to a design‑and‑program model that shortens licensing timelines and standardizes permitting. If the project meets its schedule, it could serve as a showcase for export‑ready technology, revitalizing Canada’s historic reputation as a nuclear exporter while reinforcing energy security amid geopolitical volatility.

Deal Summary

Ontario Power Generation (OPG) has begun construction of the first small modular reactor at Darlington and secured a $970 million loan from the Canada Infrastructure Bank as part of a $3.97 billion financing package that also includes up to $2 billion from the Canada Growth Fund and $1 billion from the Building Ontario Fund.