Working with NRDC and Constellation, the 21st Edition of the Benchmarking Air Emissions report has now been released.
The Benchmarking series began in 1997 and uses publicly reported data to compare the emissions performance of the 100 largest power producers in the United States. Company rankings and aggregate industry trends reflect 2024 generation and emissions data.
Explore the data
Maps | Emissions Data Charts | Generation Data Charts | Past reports
Benchmarking Air Emissions 2025 (uses 2024 data: 2024 plant-level data available on request; 2024-tables)
Benchmarking Air Emissions 2024 (uses 2022 data: 2022 plant-level data available on request; 2022 – tables)
Benchmarking Air Emissions 2023 (uses 2021 data: 2021 plant-level data available on request; 2021 - tables)
Benchmarking Air Emissions 2022 (uses 2020 data: 2020 plant data; 2020 - tables)
Benchmarking Air Emissions 2021 (uses 2019 data: 2019 plant data; 2019 - tables)
Benchmarking Air Emissions 2020 (uses 2018 data: 2018 plant data; 2018 - tables)
Benchmarking Air Emissions 2019 (uses 2017 data: 2017 plant data; 2017 - tables)
Benchmarking Air Emissions 2018 (uses 2016 data: 2016 plant data; 2016 - tables)
Benchmarking Air Emissions 2017 (uses 2015 data: 2015 plant data; 2015 - tables)
Benchmarking Air Emissions 2016 (uses 2014 data: 2014 plant data; 2014 - tables)
