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#16
02-19-2013, 11:48 AM
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300w x number of hours = kwh
kwh x price of electricity = cost. it depends on how long theyre run for and how much power costs. if you ran them for 12h and electricity is 8.5c per kwh like it is here then: 300 x 12 = 3600wh or 3.6kwh. 3.6kwh x 60 days = 216kwh 216kwh x 0.085$ = $18.36 this doesnt include transmission charges and other fees.
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the lurker formerly known as THENEWGUY 75g reef w/ 20g sump, 100lbs LR, Tunze 9006 skimmer, 3 part dosing, DIY 66 LED fixture, Reefleeper Lite LED build here: http://www.nano-reef.com/topic/29498...h-mount-build/ 
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