Electricity rates — Public Service Co of NH
A household served by Public Service Co of NH using 1,000 kWh a month pays about $2,904.98 a year on the cheapest of 3 generally available plans — Residential Time-of-Day 2 from Public Service Co of NH, in effect since February 2026. Rates checked September 23, 2026. A further 6 schedules are published but restricted — means-tested, closed to new customers, or needing particular equipment — and they are priced further down.
Every priced plan, 1,000 kWh/mo
| Plan | Per year | vs cheapest | Effective |
|---|---|---|---|
| Residential Controlled Water Heating Rateflat rate · in effect since February 2026 · delivery charges only | $851.16 | −$2,053.82 | 7.1¢ |
| Uncontrolled Water Heatingflat rate · in effect since February 2026 · delivery charges only | $898.80 | −$2,006.18 | 7.5¢ |
| Residential Time-of-Day 2time-of-use · in effect since February 2026 · delivery charges only | $1,561.46 | −$1,343.52 | 13.0¢ |
| Residential Serviceflat rate · in effect since February 2026 · delivery charges only | $1,589.52 | −$1,315.46 | 13.2¢ |
| Residential Time-of-Daytime-of-use · in effect since January 2025 · delivery charges only | $1,906.13 | −$998.85 | 15.9¢ |
| Residential Controlled Water Heating Rateflat rate · in effect since February 2026 · needs electric heating | $2,203.68 | −$701.30 | 18.4¢ |
| Residential Time-of-Day 2✓ cheapesttime-of-use · in effect since February 2026 | $2,904.98 | — | 24.2¢ |
| Residential Serviceflat rate · in effect since February 2026 | $2,933.04 | +$28.06 | 24.4¢ |
| Residential Time-of-Daytime-of-use · in effect since January 2025 | $3,154.49 | +$249.51 | 26.3¢ |
Cost across usage levels
The cheapest plan at each consumption level, showing whether the ranking holds as usage changes.
- 500 kWh/mo — cheapest $1,585.44 (Residential Service), dearest $1,797.93, a $212.49 spread
- 1,000 kWh/mo — cheapest $2,904.98 (Residential Time-of-Day 2), dearest $3,154.49, a $249.51 spread
- 2,000 kWh/mo — cheapest $5,501.23 (Residential Time-of-Day 2), dearest $5,867.66, a $366.43 spread
What a typical bill costs
At 1,000 kWh a month the 3 generally available plans here run from $2,904.98 on Residential Time-of-Day 2 to $3,154.49 on Residential Time-of-Day, with a median of $2,933.04.
Effective rates, bill divided by kilowatt-hours, span 24.2¢ to 26.3¢ per kWh at that usage.
What Public Service Co of NH's customers were billed in 2024
At 601 kWh a month, Public Service Co of NH's median open plan comes to 25.9¢ per kWh, 14% above the 22.7¢ its customers were billed in 2024, riders included. Rates set since 2024 account for some of that.
| Ownership, as EIA classes it | Investor-owned |
|---|---|
| Full-service homes in New Hampshire | 279,131 |
| Homes it delivers to for other suppliers | 180,776 |
| Share of New Hampshire's households | 71% |
| Average use per home | 601 kWh a month |
| Average bill per home | $136.15 a month |
| Billed per kWh, riders included | 22.7¢ |
| Median open plan here, at that use | 25.9¢ |
Public Service Co of NH in U.S. Energy Information Administration, Form EIA-861, 2024 (Sales_Ult_Cust_2024.xlsx), retrieved September 23, 2026.
How it compares
Among the 109 utilities indexed, Public Service Co of NH's cheapest open plan is the 10th-highest, 76% more than their median of $1,649.16. It sits between Los Angeles Department of Water & Power ($2,859.14) and NSTAR Electric Company ($3,116.40).
Its fixed charge, $25.73 a month on Residential Time-of-Day 2, is higher than on the cheapest plan of 93 of the other 108 utilities.
None of Public Service Co of NH's plans open to any household has a tiered step or a seasonal price in this data: a kWh costs the same however much is used and whatever the month.
In the guides: What a bill costs before a single kilowatt-hour
How the answer changes with usage
The cheapest plan from Public Service Co of NH changes with consumption. At 500 kWh a month Residential Service wins at $1,585.44 a year; at 2,000 kWh Residential Time-of-Day 2 wins at $5,501.23.
The penalty for a poor choice grows with usage: $212.49 a year at 500 kWh against $366.43 at 2,000 kWh.
6 plans on file, at 1,000 kWh a month
Residential Controlled Water Heating Rate — $851.16 a year, 7.1¢ per kWh effective, flat rate. It carries a $5.60 monthly standing charge. In effect since February 2026. Restricted: delivery charges only.
Uncontrolled Water Heating — $898.80 a year, 7.5¢ per kWh effective, flat rate. It carries a $5.60 monthly standing charge. In effect since February 2026. Restricted: delivery charges only.
Residential Time-of-Day 2 — $1,561.46 a year, 13.0¢ per kWh effective, time-of-use. It carries a $25.73 monthly standing charge. In effect since February 2026. Restricted: delivery charges only.
Residential Service — $1,589.52 a year, 13.2¢ per kWh effective, flat rate. It carries a $19.81 monthly standing charge. In effect since February 2026. Restricted: delivery charges only.
Residential Time-of-Day — $1,906.13 a year, 15.9¢ per kWh effective, time-of-use. It carries a $36.78 monthly standing charge. In effect since January 2025. Restricted: delivery charges only.
Residential Controlled Water Heating Rate — $2,203.68 a year, 18.4¢ per kWh effective, flat rate. It carries a $5.60 monthly standing charge. In effect since February 2026. Restricted: needs electric heating.
How these plans are structured
Of 9 priceable plans: 4 time-of-use, 5 flat-rate.
Fixed monthly charges run from $5.60 to $36.78.
Who provides these plans
EIA-861 lists Public Service Co of NH serving homes in New Hampshire and in no other state, which is how its plans are placed there. 9 of its 9 published residential schedules can be priced.
The largest saving available here
Moving from Residential Time-of-Day to Residential Time-of-Day 2 saves $249.51 a year at 1,000 kWh a month, with no change in consumption.
What this does not cover
4 of these plans price by the hour, so their figures are marked lower confidence.
New to these terms? The methodology page explains tiered bands, time-of-use periods and fixed charges, and sets out exactly what the rate engine assumes.
Estimate — your actual bill may differ.
Tariff structures from NREL/OpenEI Utility Rate Database (CC0 1.0), retrieved September 23, 2026.