Oncor TDU Delivery Charges: Dallas-Fort Worth Rate Guide

If you live in Dallas, Fort Worth, Arlington, Plano, Frisco, or anywhere across North and West Texas, your monthly electricity statement contains two distinct categories of charges: the energy supply charge from your retail electric provider, and the delivery charges from Oncor Electric Delivery.

Many Texas consumers assume that shopping for a low advertised rate per kilowatt-hour covers their entire bill. When the bill arrives and the effective rate is 4¢ to 5¢ higher than the advertised price, surprise and frustration follow.

Understanding how Oncor delivery fees are structured, why they fluctuate, and how they factor into your total invoice is critical to protecting your household energy budget.

Oncor TDU delivery charges are regulated pass-through fees approved by the Public Utility Commission of Texas (PUCT) to cover the cost of transmitting and delivering electricity across the Oncor service territory (including Dallas-Fort Worth, North Texas, and parts of West Texas). As of 2026, Oncor charges residential customers a flat base customer fee of $4.39 per month plus approximately 4.54¢ per kilowatt-hour (kWh) delivered. Every resident in Oncor territory pays these exact same delivery fees regardless of which retail electric provider they choose.

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What Is Oncor Electric Delivery?

To understand your monthly bill, it helps to distinguish the company that delivers your electricity from the company that sells it to you. The Texas retail electricity market operates under a deregulated structure managed by the Electric Reliability Council of Texas (ERCOT):

1. Your Retail Electric Provider (REP): Companies such as TXU Energy, Reliant, Champion Energy, or TriEagle buy wholesale power, design retail rate plans, handle customer billing, and provide customer support.
2. Your Transmission and Distribution Utility (TDU): Oncor is the regulated wires-and-poles utility. Oncor owns more than 140,000 miles of transmission and distribution lines, operates local substations, installs and reads digital smart meters, and dispatches lineworkers to restore power during storm outages.

Oncor is the largest electric delivery utility in the state of Texas, serving more than 10 million consumers across nearly 400 cities and 120 counties.

Under PUCT regulations, retail providers are prohibited from marking up Oncor charges. They collect these delivery fees directly from you on your monthly bill and remit 100% of the funds back to Oncor.

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Line-Item Breakdown of Oncor Residential Delivery Rates

Oncor charges are divided into a flat monthly customer fee and a volumetric per-kWh rate based on the exact amount of power your home consumes.

Note: Individual tariff riders are reviewed and adjusted semi-annually with PUCT approval. The combined volumetric rate of ~4.54¢ per kWh represents current approved tariffs for residential service in Oncor territory.

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The "So What?" Math Bridge: Real DFW Bill Calculations

To see how Oncor delivery charges affect your monthly expenses, consider three typical household scenarios based on a competitive fixed energy rate of 11.5¢ per kWh from your chosen provider.

Scenario A: DFW Apartment or Condo (500 kWh / Month)

• Oncor Flat Customer Base Charge: $4.39
• Oncor Volumetric Delivery Charge (500 kWh x 4.54¢): $22.70
• Total Oncor Delivery Costs: $27.09
• Provider Energy Charge (500 kWh x 11.5¢): $57.50
• Total Monthly Electricity Bill: $84.59
• Oncor Share of Total Bill: 32.0%

Scenario B: Average North Texas Single-Family Home (1,000 kWh / Month)

• Oncor Flat Customer Base Charge: $4.39
• Oncor Volumetric Delivery Charge (1,000 kWh x 4.54¢): $45.40
• Total Oncor Delivery Costs: $49.79
• Provider Energy Charge (1,000 kWh x 11.5¢): $115.00
• Total Monthly Electricity Bill: $164.79
• Oncor Share of Total Bill: 30.2%

Scenario C: Large DFW Home in Peak Summer (2,000 kWh / Month)

• Oncor Flat Customer Base Charge: $4.39
• Oncor Volumetric Delivery Charge (2,000 kWh x 4.54¢): $90.80
• Total Oncor Delivery Costs: $95.19
• Provider Energy Charge (2,000 kWh x 11.5¢): $230.00
• Total Monthly Electricity Bill: $325.19
• Oncor Share of Total Bill: 29.3%

In North Texas, triple-digit summer heat often causes cooling usage to surge beyond 2,500 or 3,000 kWh for homes with multiple A/C units or swimming pools. In those months, Oncor delivery fees alone can easily exceed $120 to $140.

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How Oncor Delivery Rates Compare Across Texas

While delivery fees are a significant line item on North Texas electric bills, Oncor’s volumetric delivery rate remains among the most competitive across the state. Below is an interactive comparison of the regulated delivery tariffs approved by the PUCT for all five major Texas utility networks:

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Why Do Oncor Rates Adjust Twice a Year?

Under the Public Utility Regulatory Act (PURA) in Texas, regulated utilities do not set their own prices arbitrarily. Delivery rates are adjusted twice annually, taking effect on March 1 and September 1, following formal review by the PUCT.

Several primary cost factors influence Oncor rate updates:

1. North Texas Population and Housing Influx: The Dallas-Fort Worth metroplex adds tens of thousands of new residential meters every year. Expanding substation capacity, running new feeder lines, and interconnecting new housing developments in Frisco, Celina, Prosper, and Fort Worth requires continuous capital deployment.
2. Distribution Cost Recovery Factor (DCRF): Texas statutes allow utilities to file DCRF applications to recover capital expenditures made for distribution system reliability without undergoing a multi-year, full-blown rate case.
3. Transmission Grid Expansion for Renewable Integration: Oncor plays a central role in transmitting wind and solar generation from West and Central Texas to major demand centers in DFW. As new solar farms and data centers come online, high-voltage transmission investments increase.
4. Severe Weather Hardening: Following extreme winter events and summer windstorms, Oncor has invested heavily in digital grid automation, self-healing circuit switches, smart sensors, and expanded vegetation management along overhead rights-of-way.

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How Oncor Charges Appear on Your Electricity Facts Label (EFL)

Every electricity plan offered in Texas must provide a standardized Electricity Facts Label (EFL). When reviewing an EFL in Oncor territory, pay close attention to how delivery charges are presented:

1. Unbundled Plans (Standard Pass-Through)

The vast majority of competitive retail plans feature unbundled pricing. The marketing material will emphasize the provider's base energy charge (for example, "8.5¢ per kWh"). In the fee disclosure section, the EFL will state: "Plus Oncor Electric Delivery charges will be passed through to customer without markup."

When you see advertised average rates calculated at 500, 1,000, and 2,000 kWh, the math includes Oncor’s current delivery fees. If Oncor updates its tariffs during your contract, your bill will reflect the new delivery charge, but your provider's base energy rate remains locked.

2. Bundled Plans (All-Inclusive)

Some retail providers offer bundled plans where one flat rate covers both energy and delivery (for example, "13.5¢ per kWh total"). While this simplifies billing, providers often build an extra safety margin into the rate, which can lead to higher overall annual costs compared to a competitively priced unbundled fixed plan.

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Can You Choose a Utility Other Than Oncor in DFW?

No. In Texas, retail electricity supply is deregulated and competitive, but the physical delivery infrastructure remains a regulated geographic monopoly.

If your property is situated within Oncor's service boundary, Oncor is the only company authorized to deliver electricity to your meter. You cannot switch to CenterPoint or another utility.

However, you have complete freedom to choose your Retail Electric Provider.

Because Oncor's delivery fees are fixed across all providers, the only way to lower your overall electricity expenditure is to reduce the energy charge portion of your bill. By switching to a provider with a lower locked-in rate, you directly counteract delivery costs.

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4 Practical Ways to Lower Your Electric Bill in Oncor Territory

To keep your total monthly energy costs as low as possible:

1. Lock In Fixed-Rate Certainty: Avoid month-to-month variable rates and expired contract holdover pricing. A 12-month or 24-month fixed contract protects you against wholesale electricity price volatility during extreme weather.
2. Exercise the 14-Day Free Switch Window: Under PUCT Rule §25.475, you have the legal right to switch electricity providers up to 14 calendar days before your current contract ends without paying an Early Termination Fee (ETF).
3. Beware Bill-Credit Usage Traps: Plans that advertise low rates often rely on strict bill credit windows (such as $100 off only if you consume between 1,000 and 1,500 kWh). If your consumption drops to 950 kWh in mild spring weather or climbs to 1,600 kWh in summer, your effective rate per kWh can surge drastically.
4. Compare Plans Using Actual Smart Meter History: Do not estimate your consumption using generic averages. In North Texas, your summer electricity consumption can be two to three times higher than your winter consumption.

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Compare Dallas-Fort Worth Electricity Plans on GetElectricity

Oncor’s delivery charges are a necessary part of keeping North Texas power flowing, but paying inflated retail energy rates is entirely optional.

GetElectricity connects directly to your Smart Meter Texas data to evaluate your real 12-month usage curve. We analyze hundreds of active Dallas-Fort Worth electricity plans against your true consumption habits, exposing fine-print fees, tiered rate traps, and delivery surcharges before you enroll.

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