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Energy Calculators

To help you estimate your electricity use, various energy calculators are available. The following conversions between dollars and cents will be helpful when entering data in the calculators.

  • $0.1000 = 10 cents
  • $0.0995 = 9.95 cents

Appliance Calculator Worksheet

Appliance Worksheet buttonValley REC has created an appliance worksheet to help you determine the energy used and the cost to run your various appliances, devices, and equipment for a month. The worksheet uses spreadsheet software to perform its calculations. The appliance calculator worksheet is the first sheet (tab) of the spreadsheet, and instructions are on the second sheet (tab).

Two versions of the spreadsheet are available. One is an Excel file, and the other is an OpenDocument file. Click on the version that you prefer to begin your calculations

Calculators from Other Sources

Please note that these calculator links will open in a new browser window or tab. Valley Rural Electric Cooperative is not responsible for the content of those pages.

Lighting Calculator

Lighting Calculator buttonUse the Energy Star lighting calculator to see how much energy and money you can save by switching from incandescent bulbs to CFLs. After the calculator screen appears, enter the requested information. Enter the electricity cost in cents, and round the cost to the nearest half cent. For example, 9.95 cents would round to 10 cents.

For more information, including a detailed spreadsheet that you can download to calculate all of the light bulbs you plan to use, visit the Energy Star Light Bulbs page.

These calculators are part of EnergyStar.gov.

Space Heater Calculator

Space Heater Calculator buttonUse the space heater calculator to help estimate how much your monthly bill could increase due to the use of a space heater. After the calculator screen appears, enter the requested information. Enter the price in dollars. The software displays the approximate cost in dollars to operate the heater per hour, per day, per month (30.4167 days), and per year.

This calculator is part of EnergyUseCalculator.com.

Television Calculator

Television Calculator buttonUse the television calculator to see how much energy is used by your current or new television. After the calculator screen appears, enter the requested information. Enter the price in dollars. The software displays the approximate cost in dollars to operate the television per hour, per day, per month (30.4167 days), and per year. A chart of common televisions sizes compares the energy use of each type of display: LED (light-emitting diode), LCD (liquid crystal display), CRT (cathode ray tube), and plasma.

This calculator is part of EnergyUseCalculator.com.

Appliance Calculator

Appliance Calculator buttonUse the appliance calculator to estimate how much energy is used by different appliances and devices. Select an appliance from the initial page. After the calculator screen appears, enter the requested information. Enter the price in dollars. The software displays the approximate cost in dollars to operate the machine per hour, per day, per month (30.4167 days), and per year.

This calculator is part of EnergyUseCalculator.com.

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