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Large-scale light-water nuclear reactor


Technology Description

A Generation III nuclear reactor incorporates evolutionary improvements in design developed during the lifetime of the Generation II reactor designs, such as improved fuel technology, superior thermal efficiency, improved safety features including passive and active safety systems and standardised design for reduced maintenance and capital costs. Typically large scale (>1GW) and based on light water reactor technology. Usually operated in baseload but all Generation III designs have the ability to operate flexibly (load following).

Relevance for Net Zero

After hydro power, nuclear power is the second largest clean power technology today; it can be an important source of clean and dispatchable electricity, but faces challenges around the scale of upfront investments and long lead-times.

Key Countries

China, Russia, France, United States, Japan

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