Xe-100

In Development
X-energy
X-energy
Xe-100

Overview

80 MWe high-temperature gas-cooled reactor (HTGR) using TRISO fuel, deployable as single unit or in a four-pack configuration for 320 MWe.

DOE ARDP-funded demonstration — advancing NRC licensing and targeting first deployment with Dow Chemical in the late 2020s.

Key Specs

Electrical Output

80 MWe per module

Four-Pack Output

320 MWe

Reactor Type

High-temperature gas-cooled reactor (HTGR)

Coolant

Helium gas

Fuel Type

TRISO (tristructural isotropic) fuel pebbles

Outlet Temperature

750°C

Key Customer

Dow Chemical (industrial heat & power)