Home > Analyze Your Plan > Constellation > 12 Month Usage Bill Credit

Want to find out how your plan stacks up?

By entering your EFL info below, we can inject your plan rate structure into our Bill Calculator engine and show you how your rate and bill will look at different usage amounts.


What is the name of your electric company?
*not required
What is the name of your electricity plan?
*not required
Which utility services your area?
Your utility (TDU) depends on where you live. They are in charge of servicing the poles and wires and reading your meter, among other things. TDU fees are usually passed through on your bill and the amount varies by utility.
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Are TDU fees passed through on your bill?
Most plans/companies pass TDU fees through to you. Your EFL will say whether or not they are included in your energy charges.
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Please enter all applicable info from your EFL:
  • ONLY include charges from your electric company, do NOT include charges from your TDU.
  • For bill credits, input negative amounts.
  • For daily charges, enter the daily charge × 30.5 as $ per bill
  • Min and Max kWh is the range of the total billed usage required for the charge to be applied.
  • Start and End kWh is the usage range to apply the ¢ per kWh charge to.
  • Leaving Min or Start kWh empty will default to zero
  • Leaving Max or End kWh empty will default to 999,999
¢ per kWh$ per billMin kWhMax kWhx
¢ per kWh$ per billMin kWhMax kWhx
¢ per kWh$ per billMin kWhMax kWhx
View EFL
Understanding Your EFL
Your Electricity Facts Label (EFL) is a document that details what you will actually be charged for your electricity plan. The "Average Rates" you see are calculations at 500, 1000, and 2000 kwh based on the charges described in the EFL. The EFL will tell you exactly how much you pay your electric company, your utility, and when those charges/credits become available.
EFL Key Terms
  • TDU (Utility/TDSP) Fees, also known as Transmission and Distribution charges, are fees charged by your utility. Most plans and companies pass these fees through on your bill. These fees ARE included in your average rates.
  • Energy charges are the cents you will pay your electricity provider per kWh of usage.
  • Bill credits are amounts your electric company will remove from your bill when you use a certain amount of kWh in a billing cycle. Some plans have multiple credits at different thresholds. The credit may only be applicable between 500 and 1000 kwh, or only if you use over 2000 kwh.
How to Calculate Your Rate
Basic Plans are fairly easy to calculate. First you find out your total energy charges, which include both the electric company energy charge and applicable TDU energy charge. kwh charges = (company energy charge + TDU kwh charge) × kwh used Then you need to find your total base charges. Your electricity company may or may not have one, and it could depend on your usage amount. Your TDU will always have a base charge which will most likely be passed through on your bill. period charges = (company base charge + TDU base charge) If your plan doesn't have any bill credits or a tiered rate, you can now find your bill amount (before taxes and GRT): bill = (kwh charges + period charges) If your plan has bill credits, and your kwh used is within the min and max: bill = bill - (applicable bill credits)
Updated: 12-05-2018
Example Bill
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