I want to compare the electricity used by an LCD monitor (25 w) versus a similarly sized CRT (75 W) for our company. Is the following correct?
25 w x 1 hour x 10,000 users = 250,000 watt hours
250,000 / 1,000 = 250 KwH
250 KwH x 9 hours/day = 2,250 KwH
2,250 KwH x 220 working days/year =...