Data analytics firm Kayrros released measurements quantifying total methane emissions across the Appalachian Basin claiming it places the region ahead of the Permian as the biggest source of methane in the U.S.

Emissions from fossil fuel production in the Appalachian Basin hit 3 million tons in 2019 and 2.4 million tons in 2020, Kayrros said in an April 22 release citing recent data derived from satellite data and proprietary algorithms. The firm estimates this is equivalent to the annual emissions of roughly 30 million cars given that the warming potential of methane is estimated at 84 times that of CO₂.

Further, while the methane footprint of the Appalachian Basin was found to be larger than that of the Permian in absolute terms, the firm estimates that 2020 methane intensity of gas production in Appalachia was lower than in both the Permian and Anadarko basins. 

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