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How Much Does It Cost to Run a Laptop in New Hampshire?
The short answer
Running a 60W laptop in New Hampshire costs about $0.02 an hour. At 8 hours a day, that’s roughly $3.88 a month and $46.60 a year.
That’s based on New Hampshire’s average residential rate of 26.6¢/kWh (EIA, July 2026), 45% above the US average.
Source: U.S. EIA, July 2026 data · Updated
Laptop cost by daily use in New Hampshire
| Daily use | kWh/month | Per day | Per month | Per year |
|---|---|---|---|---|
| 1 hour/day | 1.8 | $0.02 | $0.49 | $5.83 |
| 2 hours/day | 3.7 | $0.03 | $0.97 | $11.65 |
| 4 hours/day | 7.3 | $0.06 | $1.94 | $23.30 |
| 8 hours/day | 14.6 | $0.13 | $3.88 | $46.60 |
| 12 hours/day | 21.9 | $0.19 | $5.83 | $69.90 |
| 24 hours/day | 43.8 | $0.38 | $11.65 | $140 |
New Hampshire vs other states
At typical use, a laptop costs $46.60 a year in New Hampshire — $37.49 less than in Hawaii and $24.32 more than in Louisiana.
New Hampshire has the 8th-most-expensive residential electricity of the 50 states and DC. New Hampshire price per kWh · all states ranked
Electricity price trend in New Hampshire
26.6¢/kWh in July 2026 — ▲ +16.7% from a year earlier.
How to lower the cost of running a laptop
Laptops are designed to run on batteries, so they're inherently efficient. Typical use draws 30–60W from the charger, with gaming laptops and mobile workstations reaching 100–200W under load. Even working full time on a laptop costs only a few dollars a month in most states.
- Use battery-saver mode and lower screen brightness.
- Unplug once charged if your laptop lacks charge-limiting features.
- Put it to sleep instead of leaving it idle overnight.
Questions
Frequently asked questions
How much does it cost to run a laptop for 24 hours in New Hampshire?
Running a 60W laptop for 24 hours uses about 1.44 kWh, which costs about $0.38 at New Hampshire’s average rate of 26.6¢/kWh.
How many kWh does a laptop use per month?
At 8 hours a day, a typical laptop uses about 14.6 kWh a month. In New Hampshire that costs $3.88.
Is it expensive to run a laptop in New Hampshire?
New Hampshire has the 8th-most-expensive residential electricity of the 50 states and DC at 26.6¢/kWh — one of the most expensive. Running a laptop here costs about $46.60 a year at typical use, compared with $32.08 at the national average rate.
What is the electricity rate in New Hampshire right now?
The average residential electricity rate in New Hampshire was 26.6¢ per kWh in July 2026, according to the latest EIA data — up 16.7% from a year earlier.
Laptop costs in nearby states
Other appliances in New Hampshire
Cheapest and priciest states
Comparisons
Sources & method
- Electricity rates: U.S. Energy Information Administration, Electric Power Monthly — average residential retail price, July 2026 (latest available). Retrieved .
- CO₂: EIA State Electricity Profiles, 2024 emissions rate of in-state power generation.
- Default usage for laptop: 8 hours a day. Typical power 60W.
- Formulas, duty cycles and limitations: methodology. Data download: open data (CC BY 4.0).