WattCost

Data through April 2026

Cost to run · Tennessee · 14.9¢/kWh residential average

How much does it cost to run a computer monitor in Tennessee?

$6.73/yr · median certified model

Tennessee's 14.9¢/kWh rate undercuts the national average by 21%, so the typical certified computer monitor costs roughly $6.73 a year here instead of $8.49.

Tennessee ranks 15 of 51 jurisdictions for computer monitor running costs — solidly mid-table. At local rates, certified models span $1.66 (Acer PE140WU_z) to $60 (PLANAR 2E0I1) per year — $59 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.

Tennessee
$6.73
US average
$8.49
North Dakota
$5.57
Hawaii
$21
Median certified computer monitor (45 kWh/yr) per year, at each rate

The cheapest computer monitors to run at Tennessee rates

Top 10 by certified kWh, priced at 14.9¢/kWh
#ModelkWh/yr$/yr in TN
1Acer PE140WU_zmost efficient11$1.66
2HP HP E14 G4most efficient13$1.91
3DELL P1424Hf13$2.01
4VAIO VJ5VP141XXXXmost efficient14$2.13
5Wacom One DTC14114$2.16
6PLANAR PM16-S14$2.16
7EIZO FlexScan FLTmost efficient15$2.18
8MSI PRO MP161 E2most efficient15$2.25
9ASUS MQ16FCmost efficient15$2.28
10ASUS MB14AC15$2.30

Price any model at Tennessee rates

Your rate, your numbers

Per day
Per month
$0.56
Per year
$6.72

45 kWh/yr × 14.9¢/kWh = $6.72/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 Tennessee?
About $6.73 a year for the median ENERGY STAR certified computer monitor, at Tennessee's average residential rate of 14.9¢/kWh — that's $0.56 a month.
Is electricity expensive in Tennessee?
Tennessee's residential average of 14.9¢/kWh is 21% below the U.S. average of 18.8¢/kWh, ranking 15 of 51 jurisdictions (1 = cheapest).
What's the cheapest computer monitor to run in Tennessee?
Among currently certified models, the Acer PE140WU_z costs the least at about $1.66 a year at Tennessee rates (11 kWh/yr).
How does Tennessee 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). Tennessee sits at $6.73.

Keep digging

Rate source: US EIA, average residential price of electricity, see methodology.