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Ember · Energy

Japan: Carbon intensity of electricity generation

473.74gCO2e per kWh · 2025-18.1% since 2015

Emissions per unit of electricity generated, as estimated by Ember. Annual figures for Japan from 1985 to 2025.

19862025

Every year

YearValue (gCO2e per kWh)Note
2025473.735
2024484.34
2023492.595
2022519.692
2021514.59
2020527.96
2019528.645
2018541.593
2017558.394
2016567.125
2015578.141
2014591.613
2013595.997
2012594.629
2011505.413
2010446.742
2009460.286
2008485.298
2007470.261
2006447.31
2005461.865
2004450.316
2003476.381
2002433.786
2001424.054
2000424.43
1999418.76
1998404.355
1997408.147
1996423
1995423.815
1994444.222
1993418.753
1992444.822
1991438.339
1990447.159
1989428.603
1988426.821
1987416.652
1986417.279
1985420.735

Source

Published by Ember, produced by Ember. Licence: CC BY 4.0. Retrieved 2026-11-05.

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Cite or download

Ember (2026). Carbon intensity of electricity generation. Interva. https://interva.co/dataset/ember-carbon-intensity (accessed 2026-11-07). catalog snapshot 2026-11-05.

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Carbon intensity of electricity generation in other countries

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Japan: Carbon intensity of electricity generation (1985–2025) · Interva