A business with a network of 20,000 desktop systems running 24 x 7 drawing 200 watts will consume about 35 million kWh of electricity annually. Using the average U.S. cost of electricity at $.0855/kWh, this would cost this business approximately $3 million in utility charges annually.
Today we know that, depending on local utility rates, a computer and monitor left running 24 x 7 x 365 drawing 60 watts will consume about $50/year in electricity, while a higher-end 300 watt device will cost about $225/year (based on an average U.S. utility rate of $.0855/kWh).
On a base of 20,000 workstations, implementing power management policies and standards would represent an annual savings of between $900,000 on the lower-end 60 watt devices and up to $2.4 million on a base of higher-end devices annually.
Does anyone know, given our electricity tarrifs how all this translates into UK pounds?
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