UK: plant load factor of pumped storage hydro 2022

The plant load factor (PLF) of pumped storage hydroelectricity (PSH) in the United Kingdom has fluctuated since 2010. In 2022, the PLF of pumped storage hydroelectricity increased from the previous year, reaching 8.3 percent. Load factors are the ratio of how much electricity was produced as a share of the total generating capacity.

Plant load factor (PLF) of pumped storage hydroelectricity (PSH) in the United Kingdom (UK) from 2010 to 2022 (percentage)

Characteristic	Plant load factor as a percentage
2022	8.3%
2021	7.9%
2020	6.4%
2019	7.3%
2018	10.4%
2017	11.9%
2016	12.2%
2015	11.4%
2014	12%
2013	12%
2012	12.3%
2011	12%
2010	13.1%

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Release date

July 2023

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Region

United Kingdom

Survey time period

2010 to 2022

Supplementary notes

According to the source, the data cover the 12 months ending March of the following year, e.g. 2014 data are for the year ending March 2015.

Plant Load Factor (PLF) is the ratio between the actual energy generated by the plant to the maximum possible energy that can be generated with the plant working at its rated power and for a duration of an entire year.

Pumped-storage hydroelectricity (PSH), or pumped hydroelectric energy storage (PHES), is a type of hydroelectric energy storage used by electric power systems for load balancing. The method stores energy in the form of gravitational potential energy of water, pumped from a lower elevation reservoir to a higher elevation.

This statistic using original data from the Department for Business, Energy and Industrial Strategy and includes copyright material licensed under © Crown, the Open Government License v3.0

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