# Ontario awards $110M in contracts to GTHA manufacturers for Darlington SMR

Ontario Power Generation awarded contracts totaling over $110 million to 12 GTHA companies for the Darlington New Nuclear Project, including Northern Transformer, St. Marys Cement, Curtiss-Wright Nuclear Canada, Promation, Smith & Long, WillScot, and Hooper Welding, to supply components for the G7's first small modular reactor.

- Type: Contract
- Announced: 2026-11-06
- Where: Greater Toronto and Hamilton Area, Ontario, Canada
- Value: $82.0M (110.0M CAD)
- Jobs: 55
- Status: completed
- Products: power transformers, concrete, airlocks, fine motion control rod drive platform, electrical power systems, construction trailer complex, steel for diaphragm plate steel composite modules
- Sectors: [Power Generation Equipment](https://endata.com/sectors/power-generation-equipment.md)

## Companies

- [Ontario Power Generation](https://endata.com/companies/8140.md) (customer)
- [Northern Transformer Corporation](https://endata.com/companies/31732.md) (supplier)
- [St. Marys Cement](https://endata.com/companies/51781.md) (supplier)
- [PROMATION Ltd](https://endata.com/companies/88937.md) (supplier)
- [Curtiss-Wright Nuclear Canada](https://endata.com/companies/94895.md) (supplier)
- [Smith & Long](https://endata.com/companies/94896.md) (supplier)
- [WillScot](https://endata.com/companies/94897.md) (supplier)
- [Hooper Welding](https://endata.com/companies/94898.md) (supplier)

## Sources

- [news.ontario.ca](https://news.ontario.ca/en/backgrounder/1008247/ontario_awards_contracts_to_gtha_manufacturers_to_build_g7s_first_small_modular_reactor), 2026-11-06: "Contracts have been awarded to 12 GTHA companies supplying critical components, including pumps, transformers and specialized steel."

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Data from Endata (https://endata.com/). Announcements are summarized from public sources and may be incomplete; check the linked originals.