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EN16 - Total direct and indirect greenhouse gas emissions by weight

136 Million metric tons CO2 As a net exporter of electricity, AEP does not have any indirect emissions from the purchase of electricity or steam. Other sources of indirect emission represent less than 1% of our CO2 emissions and have not been update for 2011.

The vast majority of this data (99%+) is based on Continueous Emission Monitoring System (CEMS under Title IV) data accepted/verified by EPA. The totals reflect AEP's "energy take" share of emissions at jointly owned facilities in the East, and "equity share" of emissions in the West. The non-Title IV emissions are based on fuel consumption, recorded at the facility, and EPA AP-42 emission factors. Title IV emissions can be verified at EPA's website.