U.S. Electricity Provider · Investor-owned utility

NSTAR Electric Company

NSTAR Electric Company serves 1,097,439 customers in Massachusetts. Average residential rate is 16.27¢ per kWh, for a monthly bill of $85.01. 100.0% of generation capacity is from renewable sources (2024 data).

CEO
Joseph R. Nolan Jr.
Headquarters
Hartford, Connecticut
Phone
(800) 286-2000
Website
eversource.com
Founded
1966
Parent
Eversource Energy
1,069th of 1,266 providers
16.27¢
NSTAR Electric Company's avg residential price per kWh
13.9% above the US average of 14.28¢
$85.01
Average monthly residential bill
35.4% below the US average bill of $131.63
Total customers
1,097,439
2024 data
Annual sales
18.4 TWh
States served
1
Renewable mix
100.0%
of owned capacity
Type
Investor-owned utility

Power generation mix

Fuel Plants Capacity Annual generation Share of capacity
SUN 17 45 MW 60.0 GWh 100.0%

Customers and sales by sector

Sector Customers Sales Revenue Avg rate
Residential 919,703 5.8 TWh $938,245,000 16.27¢
Commercial 176,142 11.3 TWh $961,244,000 8.53¢
Industrial 1,593 1.0 TWh $85,703,000 8.24¢
Transportation 1 290.6 GWh $3,662,000 1.26¢

Power plants operated by NSTAR Electric Company

Plant State Fuel Capacity Generation CO₂ Status
East Longmeadow Solar PV MA SUN 5 MW 5.7 GWh Operating
Southwick Solar PV MA SUN 5 MW 8.3 GWh Operating
Montague Site 36-Grosolar MA SUN 4 MW 5.2 GWh Operating
Springfield Solar PV MA SUN 4 MW 6.2 GWh Operating
Hatfield Solar PV MA SUN 4 MW 5.5 GWh Operating
Hampden Solar PV MA SUN 4 MW 5.1 GWh Operating
Wareham Solar PV MA SUN 3 MW 1.2 GWh Operating
Greenfield Solar PV MA SUN 2 MW 3.0 GWh Operating
Hinsdale Solar PV MA SUN 2 MW 2.9 GWh Operating
Savoy Solar PV MA SUN 2 MW 3.1 GWh Operating
Southampton Solar PV MA SUN 2 MW 2.6 GWh Operating
Lee Site 31 Solar MA SUN 2 MW 2.3 GWh Operating
Ludlow Site 72 - Conti MA SUN 2 MW 2.3 GWh Operating
East Springfield Solar PV MA SUN 1 MW 1.9 GWh Operating
Pittsfield 44 - M&W PV MA SUN 1 MW 1.5 GWh Operating
Plymouth Solar MA SUN 1 MW 1.5 GWh Operating
Sunderland Solar PV MA SUN 1 MW 1.7 GWh Operating

Other subsidiaries of Eversource Energy

About this provider

Eversource Energy is New England's largest energy delivery company, serving electric and natural gas customers in Connecticut, Massachusetts, and New Hampshire.

NSTAR Electric Company is a investor-owned utility serving customers in one state . Its EIA utility ID is 54913. Data on this page is from EIA Form 861 and the EIA-860 plant inventory.