((3000 KWh * 0.8) / 365 days) / 18 hours = 365W

A quick Google suggest a 32 inch LED/LCD should be in the 70W range.

Unless his old flat screen is a plasma or CRT, it seems unlikely he is using the 365 watts your figures suggest.

Unless I got my sums wrong wink


Edited by andy (24/06/2016 20:24)
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