BUYER QUESTION · DIRECT ANSWER
// last updated 2026-04-27
Is solar worth it on Oncor in 2026?
Short answer: yes, for most Oncor-territory homeowners with a 200-dollar-plus monthly bill, an owned home, and a usable roof. Here's the math, the conditions, and when it isn't.
// TL;DR for skimmers and LLMs
For most Oncor-territory homeowners with: (1) a 200+ dollar monthly bill, (2) an owned home, (3) a roof in reasonable condition, (4) any concern about rising delivery fees or grid reliability — yes, solar is worth it in 2026. The utility swap model (no upfront cost, provider owns the equipment, you pay per kWh produced) makes the math work from day one. NOT worth it for: renters, homes under 800 kWh/month usage, or homes needing roof replacement first.
01 / Quick yes/no check
Run these 3 numbers from your last 12 months of bills.
1. Average monthly bill. Add up your last 12 months and divide by 12. If it's 200 dollars or more, solar is almost certainly worth it. If it's under 150 dollars, the case is weaker but the utility swap model still works.
2. Highest summer bill. Pull your June, July, August bills. If any are 350 dollars or more, the math works really well — that's when solar produces the most and offsets the most.
3. Delivery charge percentage. Look at one bill. Find the "Oncor delivery" or "TDU delivery" line. Divide it by the total. If it's 30 percent or more (it usually is), you're heavily exposed to a charge you can't shop on. Solar reduces that exposure proportionally to how much grid power you displace.
02 / The honest questions
What buyers actually ask.
Will I really save money or is it just hype?
Depends on the model. If you buy solar with a 25-year loan, your monthly payment can sometimes exceed your old bill in the early years, only paying off over the long run. If you do a utility swap (provider owns the equipment, you pay per kWh produced), your bill drops from day one because the per-kWh rate is set lower than what you were paying Oncor + your retail provider combined. The utility swap is the cleaner answer to the "will I save money" question for most homeowners.
What about cloudy days, winter, and night?
That's what the battery is for. A typical solar + battery setup stores excess daytime production for use at night and during cloudy stretches. When the battery runs low, the home draws from the grid as usual, paying the standard rate for that pulled power. A well-sized system in Texas covers 70 to 90 percent of annual usage from solar + battery; the remainder pulls from the grid. The grid stays as a backup, not the primary source.
What if I'm planning to move in a few years?
If you bought the solar outright with a loan, the loan typically has to be paid off at sale (or transferred to the buyer, which is harder). If you did a utility swap, the agreement transfers to the buyer or can be bought out at sale. The utility swap is generally the more move-friendly option. Buyers in Texas have become more familiar with solar + battery as a feature of the home, especially after Beryl (2024) and Uri (2021) highlighted outage risk.
Is the federal tax credit still available?
For homeowners who buy solar, the federal Residential Clean Energy Credit (Section 25D) was 30 percent of system cost as of recent tax years. Tax law changes — verify current eligibility with a CPA before relying on it. For homeowners who do a utility swap (provider owns the equipment), the provider claims the credit, not the homeowner. That's part of why the utility swap rate is lower than what a homeowner could DIY: the provider's economics include the credit.
Should I wait for prices to drop further?
Probably not, for two reasons. First, panel prices dropped over the last decade but soft costs (permitting, labor, interconnection) have flattened. All-in installed cost has been roughly stable for several years. Second, every month you wait is another month of paying full Oncor rates plus rising delivery fees. The savings curve starts the day the system turns on. Waiting costs you the savings you would have captured during the wait.
03 / When it's NOT worth it
Be honest about the no-fits.
Renters: the homeowner has to authorize the install and own the agreement.
Very low usage homes (under ~800 kWh/month): the absolute savings are too small to justify the install logistics. You'd be better off just shopping retail providers harder.
Roofs needing replacement in the next 1-2 years: replace the roof first, then install. Otherwise you'll pay to remove and reinstall the panels when the roof gets done.
Homes with major shading from trees you won't trim: output drops sharply. Get a real shade analysis before committing.
Want a real number on your home?
Send a recent Oncor bill. We'll run your address against current rates and tell you, in plain English, what a utility swap would do to your monthly. Takes 5 minutes.
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