Appliance guides
Lighting electricity costs
Compare LED and incandescent lighting electricity costs at the same schedule. Use actual input watts, not the bulb’s brightness-equivalent wattage.
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See an example cost, then adjust it to your home.
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Daily cost = watts ÷ 1,000 × active hours × your price per kWh. Compare appliances on the same schedule and rate; compare lighting by brightness and cooling equipment by the space it serves.