Saturday, December 23, 2006

How much power do LCD monitors and TVs use?

Dell 2001FP (20" lcd computer monitor)
39 watts (standby/idle)
42 watts (playing vga video full screen)
29 wats (turning on)

Dell 2000FP (20" lcd computer monitor)
3 watts (off)
3 watts (standby/idle)
50 watts (windows desktop)
47 watts (3d flower box screensaver mostly black screen)
45-47 watts (playing hidef video -- prison break 2x01 720p)
41-42 watts (almost entirely black screen)

Sharp 45GX6U 45" LCD tv (1080P panel doesn't include required A/V box)
0 watts (off)
34 (idle?)
<1 (sleep)
232-236 (nothing on screen)
237-241 (static image)

45GX6U AVC box input box for lcd tv
4 watts (off)
42 watts

The above measurements were made with a kill a watt monitor by electrimetric

Other measurements reported:
mark_1080p from avsforum reports
Sharp LC-32d7u 32" LCD tv 63 watts @ min backlight setting
Sharp LC-37d7u 37" LCD tv 68 watts @ min backlight setting
Samsung LN-S5296 52" Plasma TV 115 watts @ min backlight setting

update 2007-01-19
jils reports:
Panasonic PT-43LC14 (LCD rear projection 720P)
consumes 158-161 watts during use (didn't seem to matter what channel
was being viewed/res).

update 2007-03-01
Sceptre X37SV (-Komodo) off < 1 watt, on 181 watts (idle blue, or full motion video)


Welcome to Electrimetric's blog -- the site for pratical information about how much electricity you use and how to reduce power consumption

Please post in the comments under relevant posts your own power measurements. Make sure to tell us how you measured (Kill-A-Watt or Watts up or other meter) and what the thing you measured was doing at the time of the measurement.

Also don't forget to tell us how much power it uses while it's off or in standby mode (lots of things use lots of power while they are off)

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