Massachusetts State Seal An official website of the Commonwealth of Massachusetts Here's how you know

Official websites use .mass.gov

A .mass.gov website belongs to an official government organization in Massachusetts.

Secure websites use HTTPS

A lock icon or https:// means you've safely connected to the official website. Share sensitive information only on official, secure websites.

Skip to main content

Massachusetts Greenhouse Gas (GHG) Reporting Program Data

Annual summaries of facility and retail seller of electricity GHG emissions. MassDEP calculations of annual Retail Seller GHG emission factors.
Skip table of contents
You skipped the table of contents section.

Facility GHG Emissions Reports

2024 Summary: MassDEP GHG Reporting Program, Open XLSX file, 305.27 KB (English, XLSX 305.27 KB)
2023 Summary: MassDEP GHG Reporting Program, Open XLSX file, 279.59 KB (English, XLSX 279.59 KB)
2022 Summary: MassDEP GHG Reporting Program, Open XLSX file, 525.28 KB (English, XLSX 525.28 KB)
2021 Summary: MassDEP GHG Reporting Program, Open XLSX file, 620.52 KB (English, XLSX 620.52 KB)
2020 Summary: MassDEP GHG Reporting Program, Open PDF file, 661.03 KB (English, PDF 661.03 KB)
2019 Summary: MassDEP GHG Reporting Program, Open PDF file, 662.09 KB (English, PDF 662.09 KB)
2018 Summary: MassDEP GHG Reporting Program, Open PDF file, 675.62 KB (English, PDF 675.62 KB)
2015 Summary: MassDEP GHG Reporting Program, Open PDF file, 516.17 KB (English, PDF 516.17 KB)
2014 Summary: MassDEP GHG Reporting Program, Open PDF file, 568.34 KB (English, PDF 568.34 KB)
2013 Summary: MassDEP GHG Reporting Program, Open PDF file, 747.51 KB (English, PDF 747.51 KB)
2012 Summary: MassDEP GHG Reporting Program, Open PDF file, 450.34 KB (English, PDF 450.34 KB)
2011 Summary: MassDEP GHG Reporting Program, Open PDF file, 378.79 KB (English, PDF 378.79 KB)
2010 Summary: MassDEP GHG Reporting Program, Open PDF file, 381.96 KB (English, PDF 381.96 KB)
2009 Summary: MassDEP GHG Reporting Program, Open PDF file, 110.66 KB (English, PDF 110.66 KB)

Retail Seller GHG Emissions Reports

2023 Summary: Massachusetts GHG Emissions Reports for Retail Sellers of Electricity, Open PDF file, 450.54 KB (English, PDF 450.54 KB)
2023 Summary Appendices Tables, Open XLSX file, 55.62 KB (English, XLSX 55.62 KB)
2022 Summary: Massachusetts GHG Emissions Reports for Retail Sellers of Electricity, Open PDF file, 2.01 MB (English, PDF 2.01 MB)
2021 Summary: Massachusetts GHG Emissions Reports for Retail Sellers of Electricity, Open PDF file, 2.14 MB (English, PDF 2.14 MB)
2020 Summary: Massachusetts GHG Emissions Reports for Retail Sellers of Electricity, Open PDF file, 1.82 MB (English, PDF 1.82 MB)
2019 Summary: Massachusetts GHG Emissions Reports for Retail Sellers of Electricity, Open PDF file, 1.03 MB (English, PDF 1.03 MB)
2018 Summary: Massachusetts GHG Emissions Reports for Retail Sellers of Electricity, Open PDF file, 1006.61 KB (English, PDF 1006.61 KB)
2017 Summary: Massachusetts GHG Emissions Reports for Retail Sellers of Electricity , Open PDF file, 701.05 KB (English, PDF 701.05 KB)
2016 Summary: Massachusetts GHG Emissions Reports for Retail Sellers of Electricity , Open PDF file, 627.83 KB (English, PDF 627.83 KB)
2015 Summary: Massachusetts GHG Emissions Reports for Retail Sellers of Electricity , Open PDF file, 320.98 KB (English, PDF 320.98 KB)
2014 Summary: Massachusetts GHG Emissions Reports for Retail Sellers of Electricity , Open PDF file, 270.78 KB (English, PDF 270.78 KB)
2013 Summary: Massachusetts GHG Emissions Reports for Retail Sellers of Electricity , Open PDF file, 1.2 MB (English, PDF 1.2 MB)
2012 Summary: Massachusetts GHG Emissions Reports for Retail Sellers of Electricity , Open PDF file, 598.03 KB (English, PDF 598.03 KB)
2011 Summary: Massachusetts GHG Emissions Reports for Retail Sellers of Electricity , Open PDF file, 321.28 KB (English, PDF 321.28 KB)
2010 Summary: Massachusetts GHG Emissions Reports for Retail Sellers of Electricity, Open PDF file, 290.69 KB (English, PDF 290.69 KB)
2008 Summary: Massachusetts GHG Emissions Reports for Retail Sellers of Electricity, Open PDF file, 198.64 KB (English, PDF 198.64 KB)

MassDEP Emission Factor Calculations

Technical Support Document: Draft 2024 GHG Emission Factors, Open PDF file, 184.68 KB (English, PDF 184.68 KB)
Calculation of 2024 GHG Emission Factors, Open XLSX file, 1.19 MB (English, XLSX 1.19 MB)
Calculation of 2023 GHG Emission Factors, Open XLSX file, 1.02 MB (English, XLSX 1.02 MB)
Calculation of 2022 GHG Emission Factors, Open XLSX file, 1020.58 KB (English, XLSX 1020.58 KB)
Calculation of 2021 GHG Emission Factors, Open XLSX file, 938.98 KB (English, XLSX 938.98 KB)
Calculation of 2020 GHG Emission Factors, Open XLSX file, 931.27 KB (English, XLSX 931.27 KB)

Calculation of 2019 GHG Emission Factors, Open XLSX file, 874.78 KB (English, XLSX 874.78 KB)

Calculation of 2018 GHG Emission Factors, Open XLSX file, 848 KB (English, XLSX 848 KB)

Calculation of 2017 GHG Emission Factors, Open XLSX file, 742.39 KB (English, XLSX 742.39 KB)

Calculation of 2016 GHG Emission Factors, Open XLS file, 1.21 MB (English, XLS 1.21 MB)

Calculation of 2015 GHG Emission Factors, Open XLS file, 1.16 MB (English, XLS 1.16 MB)
Calculation of 2014 GHG Emission Factors, Open XLS file, 1.15 MB (English, XLS 1.15 MB)
Response to Comments: Draft 2014 & 2015 Greenhouse Gas Emission Factors for Retail Sellers of Electricity , Open PDF file, 27.05 KB (English, PDF 27.05 KB)
Calculation of 2013 GHG Emission Factors, Open XLS file, 1.17 MB (English, XLS 1.17 MB)
Calculation of 2012 GHG Emission Factors , Open XLS file, 1003 KB (English, XLS 1003 KB)
Calculation of 2011 GHG Emission Factors, Open XLS file, 888.5 KB (English, XLS 888.5 KB)
Calculation of 2010 GHG Emission Factors, Open XLS file, 910 KB (English, XLS 910 KB)
Calculation of 2009 GHG Emission Factors, Open XLS file, 843 KB (English, XLS 843 KB)
Calculation of 2008 GHG Emission Factors, Open XLS file, 752 KB (English, XLS 752 KB)
Calculation of 2007 GHG Emission Factors, Open XLS file, 1000 KB (English, XLS 1000 KB)
Calculation of 2006 GHG Emission Factors, Open XLS file, 839 KB (English, XLS 839 KB)

Contact

Online

Contact MassDEP climate.strategies@mass.gov
Subscribe Sign-up for Email Notifications

Help Us Improve Mass.gov  with your feedback

Please do not include personal or contact information.
Feedback