Electricity rates in Portsmouth, NH
Portsmouth (21,530 people, Rockingham County) is served by Public Service Co of NH. Homes on Public Service Co of NH pay about 25.95¢/kWh, 3% less than the New Hampshire average.
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Electric companies serving Portsmouth
| Utility | Type | Rate | Avg bill | Homes (statewide) | Outage min |
|---|---|---|---|---|---|
| Public Service Co of NH | Investor-owned utility | 25.95¢ | $161 | 263K | 161 |
Power outages in Rockingham County right now
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Outage history in Rockingham County
| 2024 | 2025 | |
|---|---|---|
| Outage minutes per customer | 916 | 187 |
| Days with outages | 64 | 49 |
| Most customers out at once | 64,404 (41.8%) | 18,430 (12%) |
| Worst day | 2024-04-04 | 2025-05-18 |
Outage minutes by month, 2025
Less outage time than 2024 (916 min). Data: ORNL EAGLE-I county outage snapshots every 15 minutes, covering all utilities in the county.
Nearby cities
- New Castle 25.9¢
- Rye 25.9¢
- Greenland 25.9¢
- Stratham Station 25.9¢
- North Hampton 25.9¢
- Newmarket 25.9¢
- Durham 25.9¢
- Dover 25.9¢
- Hampton 24.9¢
- Madbury 25.9¢
ZIP codes: 03801, 03802, 03803, 03804
Frequently asked questions
What is the electricity rate in Portsmouth?
Most homes in Portsmouth get power from Public Service Co of NH, where residential customers pay an average of 25.95¢/kWh including all charges. The New Hampshire average is 26.67¢ and the U.S. average 17.99¢.
What is the average electric bill in Portsmouth?
About $161 a month, based on 620 kWh a month (the average for Public Service Co of NH customers) at 25.95¢/kWh. Homes with electric heat, pools or EVs pay more.
Who is the electric company in Portsmouth, NH?
Public Service Co of NH serves Portsmouth.
How often does the power go out in Portsmouth?
In 2025, customers in Rockingham County averaged 3 hr 7 min without power. Outages hit 49 days of the year, and the worst day was 2025-05-18, when 18,430 customers (12%) were out. Source: ORNL EAGLE-I.