Power Bill Facts

Electricity providers in Rockingham County, New Hampshire

4 utilities list the county in their service territory for 2024. Population: 324,077.

Annual file
Form EIA-861, 2024 final
ZIP Codes in the county
37

Providers

Utilities that list Rockingham County in their service territory, with their 2024 figures for New Hampshire
UtilityTypeResidential customersAverage price cents per kWhAverage bill dollars per monthSAIDI minutes, with major event daysSAIDI minutes, without major event days
Public Service Co of NHInvestor-owned utility459,90722.65$136.15786.281.5Add
New Hampshire Elec Coop IncElectric cooperative74,14423.83$137.422,410.2514.9Add
Unitil Energy SystemsInvestor-owned utility68,60223.33$143.57593.497.7Add
Liberty Utilities (Granite State ElectriInvestor-owned utility39,66722.87$149.63370.392.7Add

The order is by residential customers in New Hampshire. Each figure is for all customers of the utility in New Hampshire. EIA has no figure for one county.

Average price of electricity to ultimate consumers represents the cost per unit of electricity sold and is calculated by dividing electric revenue from ultimate consumers by the corresponding sales of electricity.

The average price of electricity to ultimate consumers reported in this publication by sector represents a weighted average of consumer revenue and sales, and does not equal the per kWh rate charged by the electric power industry participant to the individual consumers.

EIA's words. Source: U.S. Energy Information Administration, Electric Power Monthly, Technical notes, section "Form EIA-861" (March 2024). "This publication" is the Electric Power Monthly.

In plain words: the average price is revenue divided by sales. It is not the rate on a rate schedule. The annual figures on this page are for 2024. Monthly data through .

Rockingham County beside New Hampshire and the US

Form EIA-861, 2024

Utilities that list Rockingham County, beside New Hampshire and the US, 2024
FigureUtilities that list Rockingham County, medianNew HampshireUnited States
Average residential price (cents per kWh)23.1023.4016.48
Average monthly bill (dollars per month)$140.50$144.87$142.26
SAIDI with major event days (minutes, median of utilities)689.8689.8184.5
SAIDI without major event days (minutes, median of utilities)95.295.299.8
Utilities (number)4181,413

4 utilities list Rockingham County in the service territory that they reported to EIA for 2024. The table at the top of this page shows each one.

Their average residential prices were between 22.65 and 23.83 cents per kilowatt-hour (kWh) in 2024.

The New Hampshire average was 23.40 cents per kWh in 2024. The US average was 16.48 cents per kWh. Each price is for all customers of the utility in New Hampshire, not for the county only.

4 of the utilities reported outage minutes (SAIDI) for 2024. With major event days, the median was 689.8 minutes (about 12 hours) for each customer. The median for all New Hampshire utilities was 689.8 minutes.

The Census Bureau estimate of the population of the county is 324,077. EIA has no count of customers for one county. The utility and the state utility commission have the service area for an address.

Outage minutes that the utilities reported

SAIDI, Form EIA-861, 2024

  • Public Service Co of NH786.2 minutesNH median: 689.8 minutes
  • New Hampshire Elec Coop Inc2,410.2 minutesNH median: 689.8 minutes
  • Unitil Energy Systems593.4 minutesNH median: 689.8 minutes
  • Liberty Utilities (Granite State Electri370.3 minutesNH median: 689.8 minutes

Minutes without power for each customer in 2024, with major event days. A pale bar is the figure without major event days. Each figure is for the whole system of the utility, not for Rockingham County only.

ZIP Codes in Rockingham County

Census 2020 ZIP Code Tabulation Areas

A ZIP Code can cross a county line. Each link opens the lookup for that ZIP Code.

Counties near Rockingham County

Counties that share a ZIP Code with Rockingham County

Next in the list of New Hampshire counties

Official channels

EIA lists utilities by county, not by address. The state utility commission and the utilities have the service area maps.

Cite this page

Power Bill Facts. Electricity providers in Rockingham County, New Hampshire. https://powerbillfacts.com/county/new-hampshire/rockingham/ Source: U.S. Energy Information Administration, Form EIA-861 (2024), service territory and sales files. Data through . Page made .

Where the figures come from

Source: U.S. Energy Information Administration, Form EIA-861 for 2024, final release: service territory, sales, reliability and short form files. State and US averages: Form EIA-861M workbook. Population: U.S. Census Bureau, Vintage 2025. ZIP Codes: Census 2020 ZIP Code Tabulation Area to county relationship file. These are US government works in the public domain.

Questions about electricity in Rockingham County

Which utility for Rockingham County has the most customers?
Public Service Co of NH had 459,907 residential customers in New Hampshire in 2024. That is the largest number among the 4 utilities. The number is for the state. EIA has no number for one county.
What is the average monthly bill of the utilities for Rockingham County?
The average monthly bills of the utilities were between $136.15 and $149.63 in 2024. The New Hampshire average was $144.87. The US average was $142.26.
How many minutes without power did the utilities for Rockingham County report?
4 utilities on the list reported outage minutes for 2024. Without major event days, the median was 95.2 minutes (about 1 hour 30 minutes) for each customer. With major event days, the median was 689.8 minutes (about 12 hours). Each figure is for the whole system of a utility, not for the county only.
How many ZIP Codes are in Rockingham County?
37 ZIP Code areas have land in Rockingham County, from the Census Bureau file for 2020. A ZIP Code can cross a county line. The ZIP Code lookup on the home page shows the utilities for one ZIP Code.