Data through April 2026
Cost to run · Illinois · 20.5¢/kWh residential average
How much does it cost to run a computer monitor in Illinois?
$9.23/yr · median certified model
Electricity in Illinois is priced within a few percent of the U.S. average — 20.5¢/kWh — which puts the typical certified computer monitor at about $9.23 annually, essentially the national number.
In the national ranking, Illinois lands at 36 of 51 for what a computer monitor costs to run. At local rates, certified models span $2.27 (Acer PE140WU_z) to $82 (PLANAR 2E0I1) per year — $80 of annual headroom that depends entirely on which unit you buy. For reference, the national extremes are North Dakota (12.3¢/kWh) and Hawaii (46.6¢/kWh); the same median computer monitor would cost $5.57 and $21 a year there.
The cheapest computer monitors to run at Illinois rates
| # | Model | kWh/yr | $/yr in IL |
|---|---|---|---|
| 1 | Acer PE140WU_zmost efficient | 11 | $2.27 |
| 2 | HP HP E14 G4most efficient | 13 | $2.62 |
| 3 | DELL P1424Hf | 13 | $2.75 |
| 4 | VAIO VJ5VP141XXXXmost efficient | 14 | $2.92 |
| 5 | Wacom One DTC141 | 14 | $2.96 |
| 6 | PLANAR PM16-S | 14 | $2.97 |
| 7 | EIZO FlexScan FLTmost efficient | 15 | $2.99 |
| 8 | MSI PRO MP161 E2most efficient | 15 | $3.08 |
| 9 | ASUS MQ16FCmost efficient | 15 | $3.13 |
| 10 | ASUS MB14AC | 15 | $3.16 |
Price any model at Illinois rates
Your rate, your numbers
- Per day
- 3¢
- Per month
- $0.77
- Per year
- $9.21
45 kWh/yr × 20.5¢/kWh = $9.21/yr
Prefilled with the median certified computer monitor (45 kWh/yr). Every model page on this site carries its exact certified figure.
Questions, answered with the data
- How much does it cost to run a computer monitor in Illinois?
- About $9.23 a year for the median ENERGY STAR certified computer monitor, at Illinois's average residential rate of 20.5¢/kWh — that's $0.77 a month.
- Is electricity expensive in Illinois?
- Illinois's residential average of 20.5¢/kWh is 9% above the U.S. average of 18.8¢/kWh, ranking 36 of 51 jurisdictions (1 = cheapest).
- What's the cheapest computer monitor to run in Illinois?
- Among currently certified models, the Acer PE140WU_z costs the least at about $2.27 a year at Illinois rates (11 kWh/yr).
- How does Illinois compare with other states?
- The same median computer monitor costs $5.57 a year in North Dakota (the cheapest state) and $21 in Hawaii (the priciest). Illinois sits at $9.23.
Keep digging
- All certified computer monitors compared
- Computer Monitors costs in Wisconsin (rank 34 of 51)
- Computer Monitors costs in Ohio (rank 35 of 51)
- Computer Monitors costs in Michigan (rank 37 of 51)
- Computer Monitors costs in Pennsylvania (rank 38 of 51)
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- Running a dehumidifier in Illinois
Rate source: US EIA, average residential price of electricity, see methodology.