Electricity plans in Port Isabel
Compare 120+ plans by true cost from providers serving Port Isabel. Find the right rate for your home.
Updated May 2026 · Live rates from electricrates.org
Port Isabel fast facts
- County
- Cameron County
- Population
- 5K
- TDU
- AEP Texas Central
- Sample ZIP
- 78578
- AEP Texas Central outage / switch-hold line
- 1-866-223-8508
Best in Port Isabel
Best plans in Port Isabel
Ranked by real monthly bill at 1,000 kWh.
SimpleSaver 14
Maxx Saver Value 8
Smart Choice - 12
SimpleSaver 12
Bill Credit Bundle 24
Bill Bonus 24
Providers
Compare providers
See the lowest true-cost rate from each retail electricity provider serving Port Isabel.
Local guide
About electricity in Port Isabel
Port Isabel is served by AEP Texas Central as the local TDU. With a population of 5K, it's one of the deregulated markets in Texas — residents can shop 120+ competitive plans from 8+ retail electric providers serving the AEP Texas Central grid.
The average all-in rate in Port Isabel is currently 15.1¢/kWh at 1,000 kWh usage. Actual rates vary by plan type, contract length, and how much your home uses. Fixed-rate plans typically offer the best value for households that don't want to think about rate swings.
Switching is 1-3 business days with no service interruption — same meter, same wires, new bill from a new company.
FAQ
Common questions
What is the average electricity rate in Port Isabel?
+
Approximately 15.1¢/kWh at 1,000 kWh. Plans on the AEP Texas Central grid range from 7.2¢ to over 18¢/kWh depending on type and term.
Who is the TDU for Port Isabel?
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AEP Texas Central maintains the power lines and infrastructure. TDU charges are the same regardless of your retail provider — set by the Public Utility Commission.
Can I switch providers in Port Isabel?
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Yes. Choose from 120+ plans available on the AEP Texas Central grid. Switching takes 1–3 business days with no service interruption — same meter, same wires, new bill from a new company.
How are the rankings calculated?
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We sort by the real monthly bill at your home's usage — not the advertised rate at 2,000 kWh. We flag bill-credit plans and minimum usage fees so you see the true cost.
Ready to save on electricity?
Compare 120+ plans in Port Isabel or let our guided quiz find the right plan for your home.
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Port Isabel electricity rates
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Port Isabel electricity plans
Plan types available, providers serving the city
Start service in Port Isabel
Move-in or first-time customer
Switch providers in Port Isabel
1–3 days, no service interruption
Best plans in Port Isabel
Top-ranked by overall score
Cheap plans in Port Isabel
Lowest available rates on AEP Texas Central
Fixed-rate plans in Port Isabel
Locked rate for the contract term
Variable-rate plans in Port Isabel
No contract, flexible month-to-month
No-deposit plans in Port Isabel
Skip the credit check or deposit
Best providers in Port Isabel
Top-rated REPs serving AEP Texas Central
Cheapest providers in Port Isabel
Sorted by lowest available rate
Green providers in Port Isabel
100% renewable energy options
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