In the United Kingdom, hydrogen fuel created through onsite electrolysis using grid electricity had an emission intensity of 75 grams of CO² per megajoule in 2020. Green hydrogen's emission intensity is expected to decrease to 41 grams of CO² per megajoule in 2030 due to reduced emissions from across the supply chain - including stack electricity use and dispensing.
Emissions of hydrogen fuel produced through onsite electrolysis in the United Kingdom in 2020, with a forecast for 2030*
(in grams of carbon dioxide equivalent per megajoule)
Characteristic
Emissions due to electrolyzer stack electricity use
* Electrolysis using grid electricity. Values are based on hydrogen production at lower heating value.
** Includes electricity use of ATR, SMR and gasification plants, transport and processing of municipal solid waste to form refuse derived fuel (RDF), CO² transport and fugitive emissions of hydrogen.
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Element Energy. (August 1, 2021). Emissions of hydrogen fuel produced through onsite electrolysis in the United Kingdom in 2020, with a forecast for 2030* (in grams of carbon dioxide equivalent per megajoule) [Graph]. In Statista. Retrieved December 22, 2024, from https://www.statista.com/statistics/1260557/uk-green-hydrogen-fuel-supply-chain-emissions/
Element Energy. "Emissions of hydrogen fuel produced through onsite electrolysis in the United Kingdom in 2020, with a forecast for 2030* (in grams of carbon dioxide equivalent per megajoule)." Chart. August 1, 2021. Statista. Accessed December 22, 2024. https://www.statista.com/statistics/1260557/uk-green-hydrogen-fuel-supply-chain-emissions/
Element Energy. (2021). Emissions of hydrogen fuel produced through onsite electrolysis in the United Kingdom in 2020, with a forecast for 2030* (in grams of carbon dioxide equivalent per megajoule). Statista. Statista Inc.. Accessed: December 22, 2024. https://www.statista.com/statistics/1260557/uk-green-hydrogen-fuel-supply-chain-emissions/
Element Energy. "Emissions of Hydrogen Fuel Produced through Onsite Electrolysis in The United Kingdom in 2020, with a Forecast for 2030* (in Grams of Carbon Dioxide Equivalent per Megajoule)." Statista, Statista Inc., 1 Aug 2021, https://www.statista.com/statistics/1260557/uk-green-hydrogen-fuel-supply-chain-emissions/
Element Energy, Emissions of hydrogen fuel produced through onsite electrolysis in the United Kingdom in 2020, with a forecast for 2030* (in grams of carbon dioxide equivalent per megajoule) Statista, https://www.statista.com/statistics/1260557/uk-green-hydrogen-fuel-supply-chain-emissions/ (last visited December 22, 2024)
Emissions of hydrogen fuel produced through onsite electrolysis in the United Kingdom in 2020, with a forecast for 2030* (in grams of carbon dioxide equivalent per megajoule) [Graph], Element Energy, August 1, 2021. [Online]. Available: https://www.statista.com/statistics/1260557/uk-green-hydrogen-fuel-supply-chain-emissions/
