# Aecon teams win $3 billion of contracts for Pickering nuclear refurbishment in Ontario

> Ontario Power Generation awarded Aecon's joint venture with AtkinsRéalis a $1.7 billion unit contract and the Aecon and Siemens Energy consortium a $1.3 billion turbine contract.

- Topic: Contract award
- Event date: 2026-09-21
- First published on EPC Feed: 2026-10-24T06:44:58.097Z
- Updated: 2026-10-24T06:44:58.097Z
- Countries: Canada
- Page: https://epcfeed.com/news/aecon-pickering-refurbishment


## Key facts

- Client: Ontario Power Generation (OPG)
- Contractors: Aecon and AtkinsRéalis JV; Aecon and Siemens Energy consortium
- Scope: Unit 5 retube, feeder and boiler replacement; turbine generator replacement
- Aggregate value: $3 billion (no currency code in the release)
- Aecon share: $1.75 billion
- Execution start: January 2027, pending regulatory approval

Aecon Group said on 21 September 2026 that Ontario Power Generation (OPG) has awarded contracts for the Pickering Nuclear Generating Station Refurbishment Project with an aggregate value of $3 billion. Aecon's own share is $1.75 billion.

Aecon's 50/50 joint venture with AtkinsRéalis has been awarded a $1.7 billion contract for the Unit 5 Retube, Feeder and Boiler Replacement project, described as the first unit of that work. A consortium of Aecon and Siemens Energy has been awarded a $1.3 billion contract for the Turbine Generator Replacement project, in which Aecon holds a majority interest.

Aecon says its share will be added to its Construction segment backlog in the third quarter of 2026. Project execution is expected to start in January 2027, subject to regulatory approval, and similar work on Units 6, 7 and 8 is expected in later phases, also subject to regulatory approval.

The release gives its values with a dollar sign and no currency code.

## Sources

1. [Aecon teams awarded contracts with aggregate value of $3 billion for the Pickering Nuclear Generating Station Refurbishment](https://www.aecon.com/press-room/news/2026/09/21/pickering-nuclear-generating-station-refurbishment). Company release, Aecon Group Inc., Published 2026-09-21, Read 2026-10-23.