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State: Massachusetts

2021 Greenhouse gas CO2 equivalent emissions from combustion of all fossil fuels supplied (metric tons): 15,089,231
Percentage of national total 2021 supplier emissions: 0.3%
Top 3 Parent Companies(in descending order of emissions): National Grid, EverSource Energy, Iberdrola

Basic data displayed (display advanced data instead)
Click on column headers to re-sort table: current sort is by CO2 equivalent emissions (mt) descending.
Links on facility names lead to EPA FLIGHT reports or to Greenhouse 100 Coal Index displays for coal mines.)
Facility NameParentCO2 equivalent emissions (mt) (sorted by)Split *CBI **
Boston Gas CompanyNational Grid7,468,625
NSTAR Gas CompanyEverSource Energy3,550,395
Eversource Gas MassEverSource Energy2,907,439
BERKSHIRE GAS PITTSFIELDIberdrola555,038
LIBERTY UTILITIES - MASSACHUSETTSAlgonquin Power & Utilities351,708
HOLYOKE GAS & ELECTRICCity of Holyoke, MA116,309
City of Westfield Gas & Electric Light DepartmentCity of Westfield, MA85,893
Middleborough Gas & Electric DepartmentTown of Middleborough, MA53,825
Global Companies LLCGlobal Partners LP0
Kidde Fenwal, Inc.Carrier Global Corporation0
VeoliaVeolia Group0
Edwards VacuumAtlas Copco0
For more information on the data, see the technical notes.
* Split: if 50% appears in this column, then the facility's emissions have been split among two 50/50% ownership parent companies.
** CBI: if Yes appears in this column, then one or more of the supplier CO2 amounts for the facility (excluding imports and exports) have been treated as confidential by EPA. Amounts that EPA has declared to be confidential are treated as zeroes. If there are confidential amounts, the actual supplier emissions would be larger than shown. Petroleum exports are not included as supplier amounts (we assume that they were also reported as production if they were produced in the US.)

PERI press release for Massachusetts

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