Question 1

How is electricity cost calculated?

Accepted Answer

Monthly cost = (Watts × Hours/day × 30 days) ÷ 1000 × Rate per kWh. For example, a 100W bulb used 8 hours/day at $0.12/kWh costs (100×8×30)/1000 × 0.12 = $2.88/month.

Question 2

What is the average electricity rate?

Accepted Answer

The average US electricity rate is about $0.12-0.16 per kWh, but it varies significantly by state from about $0.08 to $0.30+.

Question 3

How can I reduce my electricity bill?

Accepted Answer

Use LED bulbs, unplug idle electronics, use energy-efficient appliances, adjust thermostat, run appliances during off-peak hours, and improve insulation.

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Appliances

Summary

Breakdown by Appliance