Public Service Co of NH electricity rates
Investor-owned utility · New Hampshire · NPCC region · ISONE
Public Service Co of NH is a for-profit, investor-owned utility regulated by the state utility commission, serving 263,458 homes in New Hampshire. Its residential customers pay an average of 25.95¢/kWh including fixed and delivery charges, 44% more than the U.S. average.
Rate basis: EIA-861M monthly utility data, 12 months ending 2026-07.
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Public Service Co of NH bill estimates
| Monthly use | At average all-in rate | Base tariff charges* |
|---|---|---|
| 500 kWh | $129.75 | $132.12 |
| 1,000 kWh | $259.50 | $244.42 |
| 1,500 kWh | $389.25 | $356.72 |
| 2,000 kWh | $519.00 | $469.03 |
*Residential Service (effective 2026-02-01, $19.81/month customer charge), energy and fixed charges from the OpenEI Utility Rate Database. Riders, fuel adjustments and taxes are often billed separately, so real bills usually land closer to the all-in column. Calculate your bill.
Public Service Co of NH residential rate plans
| Plan | Effective | Customer charge | Energy charges |
|---|---|---|---|
| Residential Service | 2026-02-01 | $19.81 | 22.46¢ |
| Residential Time-of-Day 2time-of-use | 2026-02-01 | $25.73 | 7.7¢ (12am–1pm, 7pm–12am) · 22.9¢ (1pm–7pm) — summer weekdays |
| Residential Time-of-Day 2time-of-use | 2026-02-01 | $25.73 | 18.9¢ (12am–1pm, 7pm–12am) · 34.1¢ (1pm–7pm) — summer weekdays |
| Residential Time-of-Daytime-of-use | 2025-01-01 | $36.78 | 15.8¢ (12am–7am, 8pm–12am) · 33.4¢ (7am–8pm) — summer weekdays |
| Residential Time-of-Daytime-of-use | 2025-01-01 | $36.78 | 5.4¢ (12am–7am, 8pm–12am) · 23.0¢ (7am–8pm) — summer weekdays |
| Residential Controlled Water Heating Rate | 2026-02-01 | $5.60 | 17.80¢ |
| Residential Service | 2026-02-01 | $19.81 | 11.27¢ |
| Residential Controlled Water Heating Rate | 2026-02-01 | $5.60 | 6.53¢ |
| Uncontrolled Water Heating | 2026-02-01 | $5.60 | 6.93¢ |
Source: OpenEI U.S. Utility Rate Database. Rates change. Check the linked tariff or your bill for current figures.
Public Service Co of NH rate history
2015–2025: +31% change in the average residential rate (18.39¢ → 24.17¢). Annual EIA-861 data.
Outages & reliability
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Reliability history
| 2025 | Public Service Co of NH | New Hampshire avg | U.S. avg |
|---|---|---|---|
| Outage minutes per customer (SAIDI) | 161 | 231 | 266 |
| Outages per customer (SAIFI) | 1.09 | 1.45 | 1.34 |
| Average restoration time (CAIDI) | 2 hr 27 min | — | — |
| Outage minutes excluding major storms | 83 | 135 | 121 |
Outages in counties served (2025)
From ORNL EAGLE-I, which tracks customers without power every 15 minutes. These counts cover every utility in each county. Weighted across Public Service Co of NH's counties, customers averaged 3 hr 45 min without power.
| County | Outage min/customer | Days with outages | Peak customers out | Worst day |
|---|---|---|---|---|
| Carroll | 868 | 89 | 13,683 | 2025-03-07 |
| Belknap | 632 | 97 | 6,091 | 2025-03-07 |
| Sullivan | 613 | 61 | 5,909 | 2025-12-29 |
| Grafton | 359 | 77 | 6,234 | 2025-06-19 |
| Coos | 213 | 46 | 3,849 | 2025-12-19 |
| Rockingham | 187 | 49 | 18,430 | 2025-05-18 |
| Cheshire | 185 | 63 | 10,451 | 2025-03-06 |
| Merrimack | 154 | 49 | 8,480 | 2025-03-07 |
| Hillsborough | 139 | 34 | 18,617 | 2025-10-07 |
| Strafford | 96 | 34 | 5,195 | 2025-08-16 |
Public Service Co of NH service area
Public Service Co of NH serves 10 counties in New Hampshire and 249 ZIP codes.
Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough, Merrimack, Rockingham, Strafford, Sullivan
Cities: Manchester, Nashua, Concord, East Concord, Derry Village, Dover, Rochester, Salem, Merrimack, Keene, Derry, Portsmouth, Bedford, Laconia, Windham, Claremont, Pelham, Somersworth, Londonderry, Durham, Hampton, Berlin, Exeter, Milford, Hampstead, Hanover, Weare, Franklin, Barrington, Bow Bog, Litchfield, Plaistow, Gilford, Hollis, Pembroke, Hudson, Swanzey, Stratham Station, Atkinson, Kingston
Programs, smart meters & solar
| Smart meters (AMI) for homes | 0% |
| Time-based rate programs | Time-of-use rates |
| Homes on time-based rates | 97 |
| Net-metered solar homes | 18,806 |
| Home batteries paired with solar | 673 |
| Homes in demand response (e.g. thermostat rebates) | 8,908 |
| Residential efficiency incentives paid (2025) | $25,888,275 |
| Residential energy saved by programs | 11,374 MWh |
Public Service Co of NH at a glance
| Ownership | Investor-owned utility |
| Services | Transmission, Distribution, Wholesale Marketing, Retail Marketing |
| Commercial rate | 21.59¢/kWh |
| Industrial rate | 17.70¢/kWh |
| Retail revenue (2025) | $592,347,500 |
| Electricity sold (2025) | 2,568,416 MWh |
| Peak demand | 1,814 MW summer · 1,328 MW winter |
| Line losses | 7.8% |
| Balancing authority | ISNE |
| EIA utility ID | 15472 |
| Website | www.puc.nh.gov/VirtualFileRoom/Docket.aspx?DocketNumber=DE%2023-068 |
Other utilities in New Hampshire
Frequently asked questions
What is Public Service Co of NH's electricity rate?
Public Service Co of NH residential customers pay an average of 25.95¢ per kWh, all charges included (EIA-861M monthly utility data, 12 months ending 2026-07). That's 3% below the New Hampshire average of 26.67¢ and 44% above the U.S. average.
What is the average Public Service Co of NH electric bill?
About $161 a month. The average Public Service Co of NH home uses 620 kWh a month. At 1,000 kWh the bill would be about $260.
How many customers does Public Service Co of NH have?
Public Service Co of NH serves 263,458 residential customers and 546,815 customers in total in New Hampshire, across 10 counties.
How reliable is Public Service Co of NH?
In 2025, the average Public Service Co of NH customer was without power for 2 hr 41 min (SAIDI) over 1.09 interruptions (SAIFI), including major storms. Excluding major event days it was 83 min. The New Hampshire average was 3 hr 51 min and the U.S. average 4 hr 26 min.
Does Public Service Co of NH offer time-of-use rates?
Yes. The OpenEI rate database lists 4 time-of-use residential plans, including Residential Time-of-Day 2. Running big appliances off-peak can cut their cost. Pick the plan in the calculator above to see by how much.
Does Public Service Co of NH offer net metering for solar?
Public Service Co of NH had 18,806 residential net-metered customers in 2025 with 157.5 MW of capacity and 673 solar-paired batteries. Estimate solar savings at this utility's rate.
Sources: EIA-861 2025 and EIA-861M (through July 2026), OpenEI URDB, ORNL EAGLE-I, U.S. Census. Methodology. Spot an error? Rates change often, so confirm with Public Service Co of NH before making decisions.