Skip to content
nuclear•chain

Chalk River nuclear power plant

Shelved Canada Microreactor
Gross capacity
5MW

Chalk River nuclear power plant is a microreactor unit at Chalk River nuclear power plant in Canada rated at 5 MW gross. It is shelved. Construction started 1 Jan 2025.

Specification
Reactor type microreactor
Modelnot disclosed
Size classMicroreactor
Coolantnot disclosed
Moderatornot disclosed
Gross capacity5MW
Net capacity (reference)not disclosed
Net capacity (design)not disclosed
Thermal output15MWt
Typical enrichmentnot disclosed
Ownership & location
SiteChalk River nuclear power plant
Unitnot stated
CountryCanada
OwnerGlobal First Power Ltd100%
OperatorUltra Safe Nuclear CORP
Ontario Power Generation
Coordinates 46.0500, -77.3636
Fuel chain for this unit
Fuel form
not established for this unit's type
Enrichment
not established HALEU dependency
Upstream

Enriched fuel means this unit sits downstream of five conversion plants and four enrichment operators holding 88% of world capacity between the top three.

RosatomUrencoCNNCOrano

This design needs HALEU — enrichment above 5%. Western production is currently measured in hundreds of kilograms a year.

Conversion
CamecoCNNCConverDynOranoRosatom
Fabricator capability is recorded against reactor type and model line, not against named units — utilities do not publish fuel contracts. See the fuel chain.

Timeline

  1. 1 Jan 2025Construction start

Sources