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How Much Does It Cost to Run a Laptop in Louisiana?
The short answer
A typical 60W laptop costs about $0.01 per hour to run in Louisiana, or $1.86 a month at 8 hours a day.
The estimate uses Louisiana’s average residential electricity price of 12.7¢/kWh from EIA (July 2026) — 31% below the national average.
Source: U.S. EIA, July 2026 data · Updated
Laptop cost by daily use in Louisiana
| Daily use | kWh/month | Per day | Per month | Per year |
|---|---|---|---|---|
| 1 hour/day | 1.8 | $0.01 | $0.23 | $2.79 |
| 2 hours/day | 3.7 | $0.02 | $0.46 | $5.57 |
| 4 hours/day | 7.3 | $0.03 | $0.93 | $11.14 |
| 8 hours/day | 14.6 | $0.06 | $1.86 | $22.29 |
| 12 hours/day | 21.9 | $0.09 | $2.79 | $33.43 |
| 24 hours/day | 43.8 | $0.18 | $5.57 | $66.86 |
Louisiana vs other states
Louisiana has the cheapest electricity in the country — the same laptop would cost $61.81 more a year in Hawaii.
Louisiana has the cheapest residential electricity of the 50 states and DC. Louisiana electricity rates · all states ranked
Electricity price trend in Louisiana
12.7¢/kWh in July 2026 — ▼ −3.0% 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 Louisiana?
Running a 60W laptop for 24 hours uses about 1.44 kWh, which costs about $0.18 at Louisiana’s average rate of 12.7¢/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 Louisiana that costs $1.86.
Is it expensive to run a laptop in Louisiana?
Louisiana has the cheapest residential electricity of the 50 states and DC at 12.7¢/kWh — one of the cheapest. Running a laptop here costs about $22.29 a year at typical use, compared with $32.08 at the national average rate.
What is the electricity rate in Louisiana right now?
The average residential electricity rate in Louisiana was 12.7¢ per kWh in July 2026, according to the latest EIA data — down 3.0% from a year earlier.
Laptop costs in nearby states
Other appliances in Louisiana
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).