Our Technology

The ARC-100 Advanced Small Modular Reactor

Technology image

The ARC 100 offers
100 megawatts
of electricity,
enough to support

key features

Sodium as Coolant
Sodium as Coolant

The use of sodium instead of water as the coolant allows the reactor to operate at lower pressures, improving the efficiency and safety of the system.

Recycling Waste
Recycling Waste

The ARC-100 consumes its own waste and recycles its own fuel, leaving almost no long-term waste. In addition, the technology can recycle waste from traditional reactors to generate energy.

Small Size
Small Size

The total plant size is less than a city block and its modularized components can be shipped and installed at the site using regular commercial equipment, such as barges, rail, trucks, and construction cranes.

Passive Safety
Passive Safety

With a system that is "walk away" fail safe, the ARC-100 does not depend on extra pumps or operator intervention in the event electric power to the plant is disrupted.

Twenty Year Refueling Cycle
Twenty Year Refueling Cycle

The proprietary core of the ARC-100 is designed to operate for 20+ years without refueling.

Metal Fuel
Metal Fuel

The ARC-100 uses a metallic uranium alloy fuel, which is much simpler and cheaper to fabricate than oxide fuel with exceptional heat transfer characteristics.

A simple, inherently safe design, operating
at atmospheric pressure, yields lower plant cost.

ARC Highlights

Proven Technology

Experimental Breeder Reactor-II (EBR II)

The EBR-II was a sodium-cooled fast-reactor developed by the US government’s Argonne National Labs, successfully supplying energy to the grid for thirty years in Idaho.  As a complete power plant, the reliability of the system was demonstrated, and sodium operating and maintenance technology was established.  The EBR-II demonstrated inherent safety, metal fuel fabrication, load following and waste recycling.

Safety Demonstration

ARC-100 Technical Features

  • Sodium-cooled fast reactor
  • 286 MWt, 100 MWe
  • Sodium 355⁰C/510⁰C
  • Metallic uranium alloy fuel
  • Long 20-year fuel cycle / 60 year life
  • Low pressure pool-type reactor
  • Inherent safety performance
  • No need for emergency generators
  • Superheated steam cycle