U.S. residential electricity EIA data: July 2026 US average 18.3¢/kWh Updated
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Home Office · Maryland

How Much Does It Cost to Run a Laptop in Maryland?

The short answer

In Maryland, a laptop drawing 60W costs about $0.01 per hour — roughly $3.13 a month if it runs 8 hours a day.

Maryland’s average residential rate was 21.4¢ per kWh in July 2026 (EIA), 17% above the US average.

Source: U.S. EIA, July 2026 data · Updated

Laptop cost by daily use in Maryland

Cost at 21.4¢/kWh, the Maryland average (EIA, Jul 2026)
Daily usekWh/monthPer dayPer monthPer year
1 hour/day 1.8 $0.01 $0.39 $4.69
2 hours/day 3.7 $0.03 $0.78 $9.38
4 hours/day 7.3 $0.05 $1.56 $18.76
8 hours/day 14.6 $0.10 $3.13 $37.51
12 hours/day 21.9 $0.15 $4.69 $56.27
24 hours/day 43.8 $0.31 $9.38 $113

Maryland vs other states

At typical use, a laptop costs $37.51 a year in Maryland — $46.59 less than in Hawaii and $15.22 more than in Louisiana.

Maryland has the 15th-most-expensive residential electricity of the 50 states and DC. electricity prices in Maryland · all states ranked

Electricity price trend in Maryland

21.4¢/kWh in July 2026 — ▲ +13.7% 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 Maryland?

Running a 60W laptop for 24 hours uses about 1.44 kWh, which costs about $0.31 at Maryland’s average rate of 21.4¢/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 Maryland that costs $3.13.

Is it expensive to run a laptop in Maryland?

Maryland has the 15th-most-expensive residential electricity of the 50 states and DC at 21.4¢/kWh — pricier than most. Running a laptop here costs about $37.51 a year at typical use, compared with $32.08 at the national average rate.

What is the electricity rate in Maryland right now?

The average residential electricity rate in Maryland was 21.4¢ per kWh in July 2026, according to the latest EIA data — up 13.7% from a year earlier.

Laptop costs in nearby states

Cheapest and priciest states

Comparisons

Sources & method