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Figuring Your Electric Usage

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  2. Figuring Your Electric Usage

How to Figure...

Volts, Amps & Watts Formulas 

Volts X Amps = Watts

Watts / Volts = Amps

Watts / Amps = Volts 


Irrigation Formula for Hours of Run Time

              Total KwH for season                   =   Total Hours of Run Time 
(746 Watts X Total Horsepower)/1000


Conversion Formula for Amps to KwH's

Voltage used by motor or appliance X Amps X Hours of Use   =  Total KwH's Used  
                                       1000


How much does it cost to run an appliance?

Appliance's Watts  X rate   =   Cost to operate/hour
            1,000

Wattage information may be obtained by looking at the appliance nameplate, usually labeled on the back of all units. Bluestem’s electric rates vary from winter to summer. See our single phase rate.  In the examples below, an average rate of 10 cents per kilowatt hour is used. 

Example One: 
150-watt floodlight used for security lighting with a duty cycle of 8 hours and at a rate of 10 cents per kilowatt hour.

150 X .10 = $0.015/hour
    1000

Example Two: 
One thermostatically controlled 1,000 watt stock tank heater plugged in for 12 hours. The duty cycle is estimated to be 5 hours based on outdoor temperatures. Remember, only calculate the time in which the appliance was heating. 

1,000 X .10 = $0.10/hr X 5 hours actually running = $0.50 for a 12 hour period
     1,000

The Cost of My Energy Bill

To learn about the cost of your electric bill, look at the “KWH Usage History” chart on your electric bill and compare your current usage with a year ago. Take into consideration that the current weather conditions may have been different a year ago. In the wintertime, extreme cold will cause higher usage for space heaters, livestock heaters or vehicle block heaters.  In the summertime, running air conditioners, dehumidifiers and watering gardens are the common reason for higher usage. Also take into consideration that if you are gone on vacation, there are certain appliances (ex. security lights, refrigerators, freezers, hot water heater, etc.) that continue to use electricity even though you are not there.

If you still find a dramatic change in your usage, then you need to start checking your electrical devices. They could be running constantly or turning on and off for very short periods of time which is called short cycling. Here are some common problems that can raise your usage:

  • Well pump that runs continuously or that has a pinhole leak in the pipe
  • Electric water heaters that are leaking or have a defective heating coil
  • Air conditioners that are low on Freon coolant
  • Faulty thermostats

If you feel you need help after checking all these possibilities, please give us a call. Keep in mind that it is rare for the meter to be at fault and when meters are at fault they usually run slower not faster. 

Bluestem also offers assistance in residential energy audits to give you a realistic basis for decision making in any improvements or upgrades to make your home more energy efficient. These audits are performed by either a Bluestem representative or a recommended representative of another agency.  

For more detail information, contact us.

Volt Meter.jpg

Volt meters can be used to find the voltage of your outlets to ensure appliances won't exceed the maximum voltage allowed.

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Contact Info

Bluestem Electric Cooperative

P.O. Box 5
1000 South Wind Dr.
Wamego, KS 66547
Office: 800-558-1580

About Us

Bluestem serves parts of Pottawatomie, Riley, Wabaunsee, Jackson, Clay, Washington, Cloud, Ottawa, Dickinson, Geary and Marshall counties.

Over the years, the cooperative has added valuable programs and services for its members so that they can fully enjoy the many benefits of rural living. Give us a call or stop by for additional information about our programs and services.

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©2025 Bluestem Electric Cooperative. All Rights Reserved.

  • Home
  • About Us
    • Your Cooperative
    • Cooperative Bylaws
    • Management Staff
    • Board of Trustees
    • Job Openings
  • Member Services
    • Understanding Your Bill
    • Capital Credits
    • Connect or Disconnect Service
    • Outage Map
    • Payment Options
    • Products
    • Rate Information
    • Rural Economic Development Loan Program
    • Save On Your Bill
    • Solar & Wind Energy
    • Tax Exemption Form
  • Safety
    • Cold Weather Rule
    • Essential Medical Equipment
    • Electrical Line Safety
    • Generator Safety
    • What's On That Pole
  • News & Events
    • 2024 Rate Study
    • Annual Meeting Information
    • Kansas Country Living
    • Scholarships
  • Contact Us