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Constellation NewEnergy, Inc

Constellation NewEnergy, Inc served 275,274 residential customers in Massachusetts in 2025 (9.4% of the state's residential customers), the 5th largest of 59 utilities reporting there. Energy-only service; ownership: retail power marketer; balancing authority ISNE.

The meter, one average month.

Scroll to run 30 days of Constellation NewEnergy, Inc's average residential use through a five-dial register.

Day 30 of 30

Used so far: 571 kWh
At 15.27¢/kWh: $87.17

An average 2025 month: 571 kWh at 15.27¢ comes to about $87.17, the average bill. Use is spread evenly over 30 days for the picture.

Price ruler0 to 50¢ per kWh

Where 15.27¢ sits.

This page covers energy-only service, which is only part of a household's bill, so its 15.27¢ is not compared with the Massachusetts bundled average of 30.48¢. Both are drawn for scale only.

15.27¢ this utility

30.48¢ MA avg

2020 and 2025EIA-861

Five years, same meter.

In 2020 the average Constellation NewEnergy, Inc home used 847 kWh a month at 10.58¢ and paid $89.65. In 2025 it used 571 kWh at 15.27¢ and paid $87.17: the price per kWh is up 44.3%.

Constellation NewEnergy, Inc, Massachusetts, residential averages, 2020 and 2025
Measure	2020	2025
Price, ¢/kWh	10.58	15.27
Use, kWh a month	847	571
Bill, US$ a month	89.65	87.17

Constellation NewEnergy, Inc customers and sales by class in Massachusetts, 2025, EIA-861 (energy-only service)
Class	Customers	MWh sold	¢/kWh
Residential	275,274	1,885,482	15.27
Commercial	106,603	8,818,022	12.32
Industrial	293	664,472	11.43
Transportation	1	38,071	10.43

Who else is on the line

Homes are one class.

EIA-8612025Utility 13374

The filing, line by line.

Constellation NewEnergy, Inc, Massachusetts, residential class, 2025. Price basis: revenue divided by kWh sold, all residential customers.
Measure	Value	Unit
Average price	15.27	¢/kWh
Massachusetts average price	30.48	¢/kWh
Price change over 5 years	44.3	%
Typical monthly use	571	kWh
Typical monthly bill	87.17	US$
Residential customers	275,274	accounts
Share of MA residential customers	9.4	%
Size rank in MA	5 of 59	by customers

Rate plans on fileOpenEI URDB

None shown for this page. Plan counts appear once per utility, on its largest state's bundled page; how plans are counted.

Massachusetts: state average, five-year steps and every provider