UK: thermal efficiency of nuclear stations 2021

The thermal efficiency of nuclear power stations in the United Kingdom has remained relatively stable over the years. In 2021, nuclear power stations had a thermal efficiency of 39.9 percent. Thermal efficiency is the efficiency with which heat energy contained in fuel is converted into electrical energy.

Thermal efficiency of nuclear power stations in the United Kingdom (UK) from 2010 to 2021 (in percentage)

Characteristic	Thermal efficiency in percentage
2021	39.9%
2020	40.3%
2019	40%
2018	39.8%
2017	40%
2016	40%
2015	39.1%
2014	39.6%
2013	39.3%
2012	39.8%
2011	38%
2010	38.4%

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Release date

July 2022

More information

Region

United Kingdom

Survey time period

2010 to 2021

Supplementary notes

Thermal efficiency is the efficiency with which heat energy contained in fuel is converted into electrical energy. The values displayed were calculated on the gross calorific value basis, also known as higher heating values (HHV).

Data for 2010 to 2012 was taken from a previous report.

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