How long does a utility bill dispute take?
Most providers respond within 2–4 weeks. If you escalate to a state public utility commission, expect 30–90 days depending on the state and complaint volume.
Bill Dispute Guides
How to dispute a utility bill
Utility overcharges rarely announce themselves — they hide in estimated meter reads, misapplied rate tiers, and surcharges you never enrolled in. Pick your provider below for the dispute steps and known billing issues specific to them, or start with the universal process.
The dispute process, in five steps
- 1Verify the charge — compare each line item against your meter read, rate plan, and the same month last year. A bill that jumped without a usage change is the strongest signal.
- 2Identify the error type — estimated read, tier misclassification, duplicated charge, unapplied discount, or a surcharge added without notice. Naming the error makes the dispute concrete.
- 3Collect evidence — the full bill, meter photos with timestamps, your rate plan document, and any prior correspondence. Providers reject vague complaints and act on documented ones.
- 4Contact the provider in writing — cite the specific line item and dollar amount, state the error, and request a correction or refund with a response deadline.
- 5Escalate to the regulator — if the provider does not resolve it, file with your state's public utility commission. Regulator complaints carry weight that phone calls do not.
Dispute guides by provider
Each guide covers that provider's known overcharge patterns, service area, and dispute path.
Electricity
Alabama Power
Most of Alabama (excluding Tennessee Valley Authority territory)
Arizona Public Service
Most of Arizona (excluding Tucson metro and some rural areas)
Austin Energy
City of Austin and surrounding areas
ComEd
Northern Illinois including Chicagoland
Duke Energy
North Carolina, South Carolina, Florida, Indiana, Ohio, Kentucky
El Paso Electric
West Texas and Southern New Mexico
Entergy
Louisiana, Texas, Mississippi, Arkansas
Florida Power and Light
Most of Florida (eastern and southern regions)
Georgia Power
Most of Georgia (outside of some municipal utility territories)
LADWP
City of Los Angeles
Mississippi Power
Southern Mississippi (22 counties)
NV Energy
Nevada (Northern Nevada: Sierra Pacific Power; Southern Nevada: Nevada Power)
Oncor
North Texas including Dallas-Fort Worth metroplex
Pacific Power
Oregon, Washington, California (northeastern), Wyoming, Utah, Idaho
Portland General Electric
Northwestern Oregon including Portland metro
PPL Electric
Eastern and Central Pennsylvania
Salt River Project
Metropolitan Phoenix area and parts of Central Arizona
Southern California Edison
Southern California (excluding City of LA and some coastal communities)
Electricity & Gas
Ameren
Illinois and Missouri
Con Edison
New York City and Westchester County, NY
Consumers Energy
Lower Peninsula of Michigan
CPS Energy
San Antonio, Texas and surrounding Bexar County
Delmarva Power
Delaware and Maryland's Eastern Shore
Dominion Energy
Virginia, North Carolina, South Carolina, Utah, Ohio, West Virginia
Eversource Energy
Connecticut, Massachusetts, New Hampshire
LG&E and KU
Kentucky (Louisville Gas and Electric serves Louisville; Kentucky Utilities serves rest of state)
National Grid
Upstate New York, Long Island, Massachusetts, Rhode Island
Pacific Gas and Electric
Northern and Central California
PECO Energy
Southeastern Pennsylvania including Philadelphia metro
PSEG
Northern and Central New Jersey
Puget Sound Energy
Western and Central Washington State
Xcel Energy
Colorado, Minnesota, Texas, New Mexico, Michigan, Wisconsin, North Dakota, South Dakota
Gas
Atmos Energy
Texas, Louisiana, Mississippi, Tennessee, Kentucky, Colorado, Kansas
CenterPoint Energy
Texas, Minnesota, Louisiana, Indiana, Ohio, Mississippi, Arkansas
Columbia Gas
Ohio, Pennsylvania, Virginia, Kentucky, Maryland (NiSource subsidiary)
National Fuel Gas
Western New York and Northwestern Pennsylvania
Questar Gas
Utah, southwestern Wyoming, and southeastern Idaho (now Dominion Energy Utah)
Southern California Gas
Southern California (second-largest gas distribution utility in the US)
Southwest Gas
Nevada, Arizona, and portions of California
Spire
Missouri, Alabama, and Mississippi
Write the dispute email in two minutes
A free generator that turns your bill details into a dispute email your provider will act on — no account needed.
Open the dispute email generatorNot disputing — just paying too much?
If the charge is correct but the bill is still too high, the fix is a rate plan or program change, not a dispute.
See how to lower your billFrequently asked questions
Can I withhold payment while disputing a bill?
Generally no — withholding payment can trigger late fees or disconnection even when your dispute is valid. Most states let you pay the undisputed portion while the disputed amount is investigated. Confirm the rule with your provider or state commission.
How far back can I dispute an overcharge?
It varies by state, typically 12–36 months for billing errors. Some states allow longer windows for meter errors. The sooner you file, the more of the overcharge is recoverable.
What evidence actually works?
Anything that shows the charge contradicts a documented fact: a meter photo that disagrees with the billed read, a rate plan that does not match the tier charged, or a prior bill showing the same usage at a lower amount.
Check the bill before you write the letter
Upload or forward your bill and BillGuard's AI flags estimated reads, duplicated charges, and rate errors in seconds — then compiles the evidence into a PDF you can send.
Check my bill freeBillGuard provides informational analysis, not legal advice. Always confirm findings against your original bill and with your utility provider.