Electricity Budget Billing: Understand Monthly Smoothing and the True-Up

Budget billing changes payment timing; it does not erase the cost of the electricity you use. The plan estimates a monthly amount from past usage, then reconciles payments with actual charges during a review or settlement. Before enrolling, ask where the actual balance appears, how often the utility recalculates the payment, and what happens if you move or leave the plan with a credit or deficit.

DTE Energy’s BudgetWise FAQ says the initial amount uses the prior 12 months of energy costs, including usage, rates, taxes, and fees. It reviews the amount every three months and can adjust it when the recent 12-month cost changes by 5% or more. In the 12th month, DTE settles the difference: an overpayment becomes a credit or can be returned, while an underpayment must be paid by the due date to remain eligible. Read DTE’s terms. Duke Energy describes its budget or equal-payment plans as levelized payments for customers with at least 12 months of usage history, but plan terms vary by Duke territory. Its program notice explains the concept.

Use an account-balance worksheet

For each month, record four numbers: actual energy charge, actual taxes and fees, budget payment, and the running difference. Calculate running difference = prior difference + actual total - budget payment. A positive number means the account is behind the actual cost; a negative number means payments are ahead. This is not a second bill in every program, but it is the balance you need to understand before a settlement.

Here is a hypothetical 12-month example. Assume actual annual costs of $1,920 and a level payment of $150 for 12 months. Total payments are $1,800, so the settlement deficit is $120. If the level payment were $165, payments would total $1,980 and the settlement credit would be $60. These are assumptions. Rates, weather, and household use can make the actual result much larger or smaller.

What creates a surprise balance

An unusually hot or cold season can raise usage after the historic average was set. A new heat pump, EV, pool, or extra occupant changes the load profile. A rate increase affects the actual cost even if kWh do not change. DTE specifically calls out weather, pools, appliances, and household size as reasons the budget amount can change. Do not judge the plan by the payment line alone; inspect the statement’s actual balance information and compare it to the amount due.

Budget plans also differ on eligibility, late payment, and moving. A transfer to another address may require a new enrollment. A credit is not necessarily cash in hand until the utility’s settlement terms say how it is refunded. A deficit may become due immediately if you cancel. Save the enrollment confirmation and the plan’s calculation method.

Decide whether smoothing helps

Budget billing can be sensible when seasonal swings make cash flow difficult and you can reserve money for a possible settlement. It is a poor substitute for investigating high usage or a bad rate. Before signing up, total the last 12 actual bills, divide by 12, and compare that result with the proposed payment. Then stress-test the worksheet with the highest actual month repeated twice and with a known appliance addition. Ask the utility for the exact review dates and the line where the running actual balance appears. That turns a “steady bill” promise into a manageable payment schedule.