What is the Monthly Cost of Running a 100 Watt Light Bulb 24/7?

Discover how much it costs to run a 100-watt light bulb continuously. Learn more about energy usage and savings.

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Running a 100-watt light bulb 24 hours a day costs approximately $7.20 per month. This estimate assumes an average electricity rate of $0.10 per kilowatt-hour (kWh). Calculation: (100 watts / 1000) 24 hours 30 days * $0.10/kWh.

FAQs & Answers

  1. How is the cost of running a light bulb calculated? The cost is calculated based on wattage, hours used per day, and the electricity rate per kilowatt-hour.
  2. What are the advantages of using LED bulbs? LED bulbs use significantly less energy, last longer, and reduce electricity costs compared to traditional bulbs.
  3. How much does a typical home spend on electricity? The average U.S. household spends about $115 per month on electricity, though this varies by usage and region.

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