This page, Massachusetts Greenhouse Gas (GHG) Reporting Program Data, is offered by

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.
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Table of Contents

Facility GHG Emissions Reports

2015 Summary: MassDEP GHG Reporting Program (PDF 516.17 KB)
2014 Summary: MassDEP GHG Reporting Program (PDF 568.34 KB)
2013 Summary: MassDEP GHG Reporting Program (PDF 747.51 KB)
2012 Summary: MassDEP GHG Reporting Program (PDF 450.34 KB)
2011 Summary: MassDEP GHG Reporting Program (PDF 378.79 KB)
2010 Summary: MassDEP GHG Reporting Program (PDF 381.96 KB)
2009 Summary: MassDEP GHG Reporting Program (PDF 110.66 KB)

Retail Seller GHG Emissions Reports

2017 Summary: Massachusetts GHG Emissions Reports for Retail Sellers of Electricity (PDF 701.05 KB)
2016 Summary: Massachusetts GHG Emissions Reports for Retail Sellers of Electricity (PDF 627.83 KB)
2015 Summary: Massachusetts GHG Emissions Reports for Retail Sellers of Electricity (PDF 320.98 KB)
2014 Summary: Massachusetts GHG Emissions Reports for Retail Sellers of Electricity (PDF 270.78 KB)
2013 Summary: Massachusetts GHG Emissions Reports for Retail Sellers of Electricity (PDF 1.2 MB)
2012 Summary: Massachusetts GHG Emissions Reports for Retail Sellers of Electricity (PDF 598.03 KB)
2011 Summary: Massachusetts GHG Emissions Reports for Retail Sellers of Electricity (PDF 321.28 KB)
2010 Summary: Massachusetts GHG Emissions Reports for Retail Sellers of Electricity (PDF 290.69 KB)
2008 Summary: Massachusetts GHG Emissions Reports for Retail Sellers of Electricity (PDF 198.64 KB)

MassDEP Emission Factor Calculations

Calculation of 2018 GHG Emission Factors (XLSX 848 KB)

Technical Support Document: Draft 2018 GHG Emission Factors (PDF 223.25 KB)

Calculation of 2017 GHG Emission Factors (XLSX 742.39 KB)

Calculation of 2016 GHG Emission Factors (XLS 1.21 MB)

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

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Questions about MassDEP greenhouse gas programs? climate.strategies@state.ma.us 
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