Electric Delivery Charges & TDU Fees Explained

If you live in deregulated Texas, you get to choose your electricity provider — but there’s a charge on your bill you can’t shop around for: TDU delivery charges. These fees, set by your local Transmission and Distribution Utility, cover the cost of the physical infrastructure that delivers electricity from power plants to your home. And they can make up 25–40% of your total electric bill.

Understanding how delivery charges work is essential to reading your bill correctly and comparing electricity plans fairly.

How Your Texas Electric Bill Is Structured

Your monthly electricity bill in Texas is made up of two distinct components, billed together by your retail electricity provider (REP):

Your REP collects both charges on a single bill and passes the TDU portion through to the utility. This is why your bill shows a single total — but the Electricity Facts Label (EFL) for every plan includes both components so you can make fair comparisons.

Texas TDU Delivery Charges Compared

Each TDU has its own rate structure approved by the PUCT. Here are the current delivery charges for the four major TDUs serving deregulated areas of Texas:

Rates are approximate and reflect current PUCT-approved tariffs. Actual charges may include additional riders and surcharges that change periodically. See your EFL for exact delivery charges included in your plan price.

What’s Included in TDU Delivery Charges

TDU delivery charges fund the entire physical infrastructure of the power grid from high-voltage transmission lines down to the meter on your home:

Why You Can’t Avoid Delivery Charges

TDU delivery charges are regulated monopoly fees. In Texas’s deregulated market, you can choose who generates your electricity, but you can’t choose who delivers it. Your TDU is determined by your physical address, and their rates are set through a formal regulatory process at the PUCT.

This means:

• Every customer at the same address pays the same TDU delivery charges, regardless of which provider they choose.
• Switching electricity providers does not change your delivery charges.
• Even if you generate solar power, you still pay delivery charges on any electricity you pull from the grid.
• TDU rates change periodically (typically annually) as the PUCT approves new tariff filings.

How to Accurately Compare Electricity Plans

Because delivery charges are the same for everyone in a TDU area, the only thing that varies between plans is the energy charge. However, the EFL makes comparison easy by including delivery charges in the total price:

1. Always compare the EFL price at 1,000 kWh. This is the all-in price including both energy and delivery charges. It’s the most accurate benchmark for the average Texas household.
2. Ignore “energy charge only” rates. Some providers advertise their energy charge separately (e.g., “7.5¢/kWh!”) without including TDU delivery. This makes the rate look artificially low.
3. Watch for base charges and credits. Some plans have monthly base charges ($5–$10/month) or usage credits at certain thresholds (e.g., “$50 bill credit at 1,000 kWh”). The EFL reflects these, but the advertised rate may not.
4. Check all three EFL usage levels. Compare at 500, 1,000, and 2,000 kWh. Some plans with bill credits look great at 1,000 kWh but terrible at 500 kWh or 2,000 kWh. Match your actual usage pattern.

Why Delivery Charges Are Rising

TDU delivery charges have increased significantly over the past decade. Several factors are driving this trend:

• Grid hardening after Winter Storm Uri. Texas TDUs are investing billions in weatherization, underground wiring, and backup systems to prevent a repeat of the 2021 grid collapse. These costs are recovered through delivery charges.
• Wildfire mitigation. Following devastating wildfires in other states, Texas utilities are investing in vegetation management, fire-resistant poles, and automated shutoff systems.
• Smart meter deployment and data infrastructure. The ongoing cost of maintaining and upgrading the smart meter network and data systems.
• Electrification. As more homes adopt EVs, electric water heaters, and heat pumps, the distribution grid needs upgrades to handle higher peak loads.
• Data center growth. The rapid expansion of data centers in Texas requires massive transmission upgrades to serve these concentrated loads.

“TDU delivery charges are the hidden constant in your electricity bill. You can shop for the best energy rate, but the wires charge is what it is — and it’s been climbing steadily.”

What You Can Control

While you can’t change your TDU delivery charges, you can reduce how much you pay in total:

• Reduce consumption. Delivery charges are partly usage-based (per kWh). Using less electricity means paying less in delivery fees.
• Shop for the best energy rate. The energy charge is the part you control. Compare Texas electricity plans to find the lowest all-in rate for your usage level.
• Understand your bill. Knowing that 25–40% of your bill is a fixed, non-negotiable delivery charge helps you set realistic expectations when shopping for plans. A “cheap” plan can only reduce the energy portion.