Energy Sector Carbon Intensity

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The IEA Energy Sector Carbon Intensity Index (ESCII) tracks how many tonnes of CO are emitted for each unit of energy supplied. It shows the global aggregate impact of changes in supply technologies over the past few decades. Under the ESCII, 100 represents CO intensity in 2010, providing a base to measure progress.

1990-2010 data from the IEA energy balances and CO emissions databases, for more data visit the statistics page.