ELECTRICITY CALCULATOR
Internet modem electricity usage
Estimate energy use and electricity cost for internet modem.
How this calculation works
Average input watts ÷ 1,000 × hours per day × days gives kWh; multiply by the rate. Include the router separately unless the modem and router are one device. Fixed fees, taxes and tier changes are excluded.
Before you use the result
This is an illustrative estimate, not a provider quote or your actual bill. Enter your current rates and charges from your plan or latest statement. Prices, billing rules and coverage can change.
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FESCO · Octopus Energy · Southern California Edison · Search all providers
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