Power & Utilities · ON

Darlington New Nuclear (SMR ×4)

Context — not in prospectus Fast-track list (MPO)

MPO tranche 1; first unit ~2029–30

At a glance

Proponent
Ontario Power Generation
Capex (as printed)
C$21B C$ source
Capex (US$, midpoint)
US$15B
Stage
Under construction
Location
43.87°N, 78.72°W
Summit deal plate
No — context project (not in the investor prospectus)
Fast-track list
Yes — referred to the Major Projects Office
Project location.

Modelled GDP contribution Modelled

Build 2026–2031 at 55% construction value-added, then 7% of capex per year operating. Peak US$1.4B/yr · cumulative 2026–40 US$18B.

US$0MUS$500MUS$1.0BUS$1.5B2026203020352040

Connectivity · nearest existing infrastructure

Straight-line distance from the project point to the nearest vertex of each network layer.

Railway3 km
Major highway11 km
Transmission ≥230 kV0 km
Pipeline58 km
PortTrenton96 km
Generating stationDarlington (3,512 MW)0 km
City >50kOshawa10 km

Nearest other projects

Xanadu — Quantum Manufacturing FacilityDigital Technology54 km
Xanadu — Large-Scale Quantum MachineDigital Technology60 km
10 GW Integrated Gigafactory CampusClean Energy121 km
Vianode Synthetic Graphite PlantAdvanced Manufacturing233 km
PowerCo (Volkswagen) GigafactoryAdvanced Manufacturing234 km

Also in Ontario

Alto High-Speed Rail (Toronto–Québec City)Advanced / FEEDUS$44B – US$66B
Deep Geological Repository (Ignace)Feasibility / permittingUS$19B
PowerCo (Volkswagen) GigafactoryUnder constructionUS$5.1B
VIA Rail fleet — 313 cars (Thunder Bay)Under constructionUS$3.4B
Crawford NickelAdvanced / FEEDUS$2.0B
Via TWO (synthetic graphite)Advanced / FEEDUS$2.0B

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