TOP100 2024 Report - Report - Page 16
Darlington
Nuclear Refurbishment
$12.8 BILLION
The Darlington Nuclear Refurbishment Project was managed in three distinct
phases: Initiation Phase (2007 – 2009); Definition Phase (2010-2015); and
Execution Phase (2016-2026). During the execution phase of the project, workers
will remove, inspect, and install main reactor components using tools and methods
that were developed and tested during the Project’s definition phase, carried
16
RENEW CANADA – TOP100 2024
2023 Rank: 4
Location: Clarington, Ont.
Owner: Nalcor Energy; Ontario Power Generation
Project/Construction Manager: Aecon Group Inc./ AtkinsRéalis JV (execution
phase of the retube and feeder replacement)
Engineer: Wood E&I (WSP) (consulting)
Contractor: Generation: Andritz Hydro Canada, Astaldi Canada, Barnard-Pennecon JV
Transmission: GE Energy (formerly Alstom Grid Canada and Alstom Renewable
Power Canada), Andritz Hydro Canada, H.J. O’Connell Construction, Valard
Construction; Bird Construction
Other Key Players: E.S. Fox; GE Power; ABB; Amec Foster Wheeler; Deloitte;
Kiewit; Black & McDonald; Tetra Tech; BDI Canada; Burns & McDonnell/Modus
(Independant Project Oversight); Cameco (calandria tubes and annulus spacers);
Alstom AA6Power & Transport Canada Inc. (turbine generator refurbishment); Hatch
(engineering services); Armtec; Comtech (Project Control Consultant Services);
Golder-a WSP company (geotechnical services/environmental engineering); Dillon
Consulting
Supplier: DECAST Ltd.; Laker Energy (nuclear components); Nu-Tech Precision
Metals (calandria tubes)
Legal: Blake, Cassels & Graydon; Torys (acting for the owner)
Funding: Public
Substantial Completion: 2026
out by CanAtom. OPG removes each of the four Darlington CANDU reactors from
service sequentially for approximately three years each to allow for the replacement of, feeder tubes, end fittings, pressure tubes and calandria tubes. The overall
refurbishment project is 20 years in duration, with the execution phase scheduled
for 112 months.
TOP100PROJECTS.CA
OPG
4
NUCLEAR
