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Reference data
Page built2026-10-22
Data as ofAugust 2026

Summit nuclear power plant 2

Cancelled United States
Gross capacity
770MW

Summit nuclear power plant 2 is a high-temperature gas reactor unit at Summit nuclear power plant in United States rated at 770 MW gross. It is cancelled.

Specification
Reactor type High-temperature gas reactor (HTGR)
Modelnot disclosed
SizeLargeabove 300 MWe
CoolantHelium
ModeratorGraphite
Gross capacity770MW
Net capacity (reference)not disclosed
Net capacity (design)not disclosed
Thermal outputnot disclosed
NSSS vendornot on record
Typical enrichment8–20% U-235, frequently HALEU
Ownership & location
SiteSummit nuclear power plant
Unit2
CountryUnited States
OwnerDelmarva Power & Light Co100%
Coordinates 39.5212, -75.7080
Cancelled1975
Fuel chain for this unit
Fuel form
TRISO-coated particle fuel in pebbles or compacts
Enrichment
8–20% U-235, frequently HALEU HALEU dependency
Who makes this assembly
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
AEOICamecoCNNCCNNCCNNCConverDynOranoRosatomTVELWestinghouse
Fabricator capability is recorded against reactor type and model line, not against named units, utilities do not publish fuel contracts. See the fuel chain.

Other units at Summit nuclear power plant

UnitStatusGross MW
Summit nuclear power plant 1 Cancelled 770

Sources

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