Reported by EPA eGRID for 2023. National average CO₂ rate is roughly 800 lb/MWh; coal averages ~2,200 lb/MWh and natural gas combined-cycle ~900 lb/MWh.
Grid context
NERC Region
RFC
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc..
What this means
Oil-fired plants typically run only during peak demand or grid emergencies because oil is expensive compared to gas and coal. They have the highest CO₂ emissions per MWh of any common generation technology.