Nuclear Power Plants Overview

Building the world’s best nuclear reactors

For nearly 60 years, GE Hitachi has been building the world’s safest boiling water reactors (BWRs). 

Today, we offer the world’s two safest light water reactors, the ESBWR and the ABWR. We have also developed a sodium cooled reactor, PRISM, to address one of the world’s most difficult challenges, spent nuclear fuel.

ESBWR--Cutaway

ESBWR

Safer. Simpler. Smarter.

The Economic Simplified Boiling Water Reactor (ESBWR) is a 1520 MWe Generation III+ boiling water reactor.  ESBWR is the world’s safest reactor. It has the lowest core damage frequency (industry standard measure of safety) of any Generation III or III+ reactor and can safely cool itself with no AC electrical power or human action for more than 7 days.

Building upon ABWR's proven technology, ESBWR achieves even greater simplicity in design, using natural circulation, it uses 25% fewer pumps and mechanical drives than existing acting safety plants.

It is projected to have the lowest operating, maintenance and staffing costs per megawatt hour of any reactor technology available today.

ABWR Advanced BoilingWater by GE Hitachi Nuclear Energy

ABWR

Technology, Schedule, and Cost Confidence

The Advanced Boiling Water Reactor (ABWR) is the world’s safest reactor in operation today. The Gen III design is available to meet power generation needs ranging from 1350 to 1460 MW net.

Using modular construction, several ABWR’s have been built on time and budget in Japan.

PRISM_Cutaway-2011

PRISM

Solving one of the world’s toughest issues … spent nuclear fuel

PRISM offers the most efficient, clean, cost-effective option for turning nuclear waste into low carbon energy.

GE Hitachi Nuclear Energy’s (GEH) next evolution of sodium-cooled reactor technology is the PRISM (Power Reactor Innovative Small Modular) reactor. PRISM is a reactor that uses liquid sodium

as a coolant. This coolant allows the neutrons in the reactor to have a higher energy (sometimes called fast-reactors) that drive fission of the transuranics, converting them into short-lived

"fission products." This reaction produces heat energy, which is converted into electricity in a conventional steam turbine.

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