WattCost

Data through April 2026

Computer Monitors · 155 certified models

LG

This data covers 155 certified LG — annual running costs span $3.06 to $32 at national-average rates (median $11; the whole-category median is $8.49).

The 50 most efficient (of 155)

LG, ranked by certified annual kWh
#ModelkWh/yr$/yr (US avg)
1LG 29BN65016$3.06
2LG 17MT70*-*.most efficient23$4.40
3LG 24BA450most efficient31$5.74
4LG 20MK40L31$5.87
5LG 20M35PH31$5.89
6LG 20U401A31$5.91
7LG 24BA56035$6.65
8LG 22MP41536$6.83
9LG 22BL450Y36$6.86
10LG 27BA450most efficient37$6.97
11LG 24BR550Y37$6.98
12LG 24BF450B37$7.00
13LG 24BF440B37$7.05
14LG 22BN550Y37$7.06
15LG 22MP55PJ37$7.06
16LG 22MB35DE39$7.35
17LG 24BL450Y39$7.35
18LG 24BP55Q39$7.36
19LG 22BP41040$7.44
20LG 24BF550B40$7.58
21LG 27BA56041$7.63
22LG 27BR530Y41$7.65
23LG 27BR550Y41$7.65
24LG 24BF430B41$7.68
25LG 24BF640B41$7.78
26LG 25MS55041$7.80
27LG 27BF550B42$7.85
28LG 29WQ50042$7.88
29LG 24BP450Y42$7.89
30LG 24BP45YP42$7.89
31LG 27BK550Y42$7.93
32LG 27BK55YP42$7.93
33LG 24BL650C43$8.05
34LG 24BA40043$8.07
35LG 27BL450Y43$8.09
36LG 27BL650C43$8.11
37LG 29WP50043$8.18
38LG 29WP500P43$8.18
39LG 24BK550Y44$8.20
40LG 24BK55YP44$8.20
41LG 24BK55YT44$8.20
42LG 24BL550J-B44$8.20
43LG 27BA54QBmost efficient44$8.33
44LG 24BR750C44$8.37
45LG 27BA45QB45$8.40
46LG 27BK430H45$8.45
47LG 24BA55W45$8.48
48LG 29WP60G45$8.48
49LG 26BQ50045$8.49
50LG 26WQ50045$8.49

Other brand facets

Questions, answered with the data

How much does it cost to run LG computer monitors?
Among 155 certified models in this data, LG computer monitors cost $3.06 to $32 a year to run at the U.S. average electricity rate (18.8¢/kWh) — a median of $11.
Do LG computer monitors cost more or less than the average computer monitor?
The median model here runs $11 a year, 25% more than the $8.49 median across all certified computer monitors.
What's the cheapest model among LG computer monitors?
The LG 29BN650 costs about $3.06 a year at the U.S. average rate (16 kWh/yr) — the lowest certified figure in this group.
What does the certified annual-kWh figure assume for computer monitors?
The certified annual kWh (TEC) assumes the monitor is on 35% of the day and asleep the other 65%, per the ENERGY STAR test basis.

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