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How Much Does It Cost to Run a Laptop in Connecticut?
The short answer
Running a 60W laptop in Connecticut costs about $0.01 an hour. At 8 hours a day, that’s roughly $3.53 a month and $42.33 a year.
That’s based on Connecticut’s average residential rate of 24.2¢/kWh (EIA, July 2026), 32% above the US average.
Source: U.S. EIA, July 2026 data · Updated
Laptop cost by daily use in Connecticut
| Daily use | kWh/month | Per day | Per month | Per year |
|---|---|---|---|---|
| 1 hour/day | 1.8 | $0.01 | $0.44 | $5.29 |
| 2 hours/day | 3.7 | $0.03 | $0.88 | $10.58 |
| 4 hours/day | 7.3 | $0.06 | $1.76 | $21.16 |
| 8 hours/day | 14.6 | $0.12 | $3.53 | $42.33 |
| 12 hours/day | 21.9 | $0.17 | $5.29 | $63.49 |
| 24 hours/day | 43.8 | $0.35 | $10.58 | $127 |
Connecticut vs other states
At typical use, a laptop costs $42.33 a year in Connecticut — $41.77 less than in Hawaii and $20.04 more than in Louisiana.
Connecticut has the 11th-most-expensive residential electricity of the 50 states and DC. Connecticut electricity rates · all states ranked
Electricity price trend in Connecticut
24.2¢/kWh in July 2026 — ▼ −12.5% 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 Connecticut?
Running a 60W laptop for 24 hours uses about 1.44 kWh, which costs about $0.35 at Connecticut’s average rate of 24.2¢/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 Connecticut that costs $3.53.
Is it expensive to run a laptop in Connecticut?
Connecticut has the 11th-most-expensive residential electricity of the 50 states and DC at 24.2¢/kWh — pricier than most. Running a laptop here costs about $42.33 a year at typical use, compared with $32.08 at the national average rate.
What is the electricity rate in Connecticut right now?
The average residential electricity rate in Connecticut was 24.2¢ per kWh in July 2026, according to the latest EIA data — down 12.5% from a year earlier.
Laptop costs in nearby states
Other appliances in Connecticut
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).