National Iranian Oil Company (NIOC) emitted an estimated 5.9 million metric tons of methane in 2021, making it the biggest methane-emitter in the fossil fuel segment. The oil and gas giant Gazprom followed, with emissions of 4.1 million metric tons. The top 30 companies were responsible for an estimated 54 million metric tons of methane emissions in 2021, or almost half the global energy sector's total methane emissions.
Methane (CH4) emissions from selected fossil fuel companies worldwide in 2021
(in million metric tons)
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Global Energy Monitor. (November 8, 2022). Methane (CH4) emissions from selected fossil fuel companies worldwide in 2021 (in million metric tons) [Graph]. In Statista. Retrieved September 20, 2024, from https://www.statista.com/statistics/1345956/fossil-fuel-company-largest-methane-emitters-worldwide/
Global Energy Monitor. "Methane (CH4) emissions from selected fossil fuel companies worldwide in 2021 (in million metric tons)." Chart. November 8, 2022. Statista. Accessed September 20, 2024. https://www.statista.com/statistics/1345956/fossil-fuel-company-largest-methane-emitters-worldwide/
Global Energy Monitor. (2022). Methane (CH4) emissions from selected fossil fuel companies worldwide in 2021 (in million metric tons). Statista. Statista Inc.. Accessed: September 20, 2024. https://www.statista.com/statistics/1345956/fossil-fuel-company-largest-methane-emitters-worldwide/
Global Energy Monitor. "Methane (Ch4) Emissions from Selected Fossil Fuel Companies Worldwide in 2021 (in Million Metric Tons)." Statista, Statista Inc., 8 Nov 2022, https://www.statista.com/statistics/1345956/fossil-fuel-company-largest-methane-emitters-worldwide/
Global Energy Monitor, Methane (CH4) emissions from selected fossil fuel companies worldwide in 2021 (in million metric tons) Statista, https://www.statista.com/statistics/1345956/fossil-fuel-company-largest-methane-emitters-worldwide/ (last visited September 20, 2024)
Methane (CH4) emissions from selected fossil fuel companies worldwide in 2021 (in million metric tons) [Graph], Global Energy Monitor, November 8, 2022. [Online]. Available: https://www.statista.com/statistics/1345956/fossil-fuel-company-largest-methane-emitters-worldwide/