Compare Plans
Port Isabel

Port Isabel Electricity Rates

Moving? | Switching? | Compare Official Rates for competing energy companies in Port Isabel, Texas. Not all plans are equal. This free consumer service helps you cut through hidden fees & confusing ads to quickly discover the best energy plan for your home or business. No-deposit energy plans & same day power available.

Graham Griffin
G
Enri Zhulati
E
Ryan Hatch
R
Written by , Edited by , Reviewed by

Article

At your usage level

What Port Isabel plans cost right now

Live pricing for the AEP Central delivery territory · August 2026

15.2¢
Average across live Port Isabel plans
7.0¢
Where plans we price start today
Paying more than 15.2¢? It isn’t your fault.
Check your bill in 2 minutes →

Computed across 123 live plans at 1,000 kWh, AEP Central delivery included — every one from a PUCT-licensed provider we work with. Same wires either way; only the contract changes.

Advertised rates are built to win the ad, not your bill — they only hold at one exact usage. Every number on this page already bakes in fees, credits, and delivery, so the trick doesn’t work here.

Your 3-step plan

Know your ZIP? Skip the list.

1. Enter your ZIP. 2. We price every Port Isabel plan we offer at your real usage. 3. Order online in about 10 minutes — power on the date you pick. No account, no spam.

Power off, or worried about a deposit? Same-day, no-deposit options →

Top plans

Top Port Isabel plans by monthly usage

Fees and bill credits bend each plan’s price curve — that’s how a bargain ad turns into an ugly bill. Pick the tab closest to your monthly usage and the trick stops working. Delivery included.

Order now = online checkout in about 10 minutes. Pick your start date — same-day at most addresses — and your account number arrives by email.

Today’s standout

Best-value 12-month plan

Saver Plus 12

Frontier Utilities

7.0¢

at 1,000 kWh

$70

est. monthly total

Order now →

The lowest effective 12-month rate we price in the Port Isabel area today. Your usage may crown a different winner — price it at your numbers.

Your delivery utility

Who delivers electricity in Port Isabel

AEP Central owns and maintains the poles, wires, and meters in Port Isabel. Whichever plan you pick, AEP Central still delivers the power and restores outages — switching providers never changes your wires. Every price on this page already includes AEP Central delivery charges. If a rate elsewhere looks lower, check whether delivery is in it yet.

Quick answers

Port Isabel electricity questions, answered

As of August 2026, plans we offer in the AEP Central territory average 15.2¢ per kWh at 1,000 kWh of monthly use, and today’s lowest effective rate is 7.0¢. Advertised rates move with your usage, so price plans at your own numbers.

AEP Central is Port Isabel’s transmission and delivery utility. It owns the wires and meters and restores outages. You choose your retail electricity provider; AEP Central delivers no matter who you pick.

Yes — most Port Isabel addresses have smart meters, so orders placed by 5 p.m. on a business day can start the same day. Pick your start date at checkout, up to 90 days ahead.

Compare effective rates at YOUR usage, not advertised rates — fees and bill credits bend each plan differently. Check the contract length and cancellation fee, then confirm delivery charges are included. The tables on this page do all three, and checkout takes about ten minutes.

Yes. Texas law gives you a 14-day window before your contract end date to switch with NO early-termination fee. Find your end date on your bill, then shop it today — the expensive move is drifting onto a holdover rate.

It changes with your usage. The lowest effective rate we price in Port Isabel today is 7.0¢ per kWh at 1,000 kWh — but a plan that wins at 1,000 kWh can lose at 2,000. Enter your ZIP and usage to see which company is cheapest for your home.

We currently price 123 plans in Port Isabel, every one from a PUCT-licensed provider we work with, priced with delivery included.

Who sells here

Electricity companies serving Port Isabel

17 providers sell into the AEP Central territory today, between them offering 123 residential plans. Cheapest first, priced at 1,000 kWh with fees and delivery included.

17
companies selling here
7.0¢
cheapest today, all in
123
plans between them

Every provider here is licensed by the Public Utility Commission of Texas. A licence says they can sell to you; it says nothing about whether the plan is any good. Compare the total at your own usage, not the headline rate.

By ZIP code

Electricity rates by ZIP code in Port Isabel

Port Isabel spans 2 ZIP codes. Rates are set by delivery territory rather than ZIP, so these will usually match — check yours if your street sits on a boundary.

Why Texans trust us

We’d rather you stay than switch wrong

We’ve read thousands of confusing Texas bills. We know the sting when the “great rate” turns out to be neither — and it’s not because you did anything wrong.

We tell 47% of shoppers to keep the plan they already have.

Online checkout takes about 10 minutes, start date up to 90 days out.

Ten minutes from now you can be done with it: plan locked at your real usage, start date set, account number in your inbox.

Read real reviews from real Texans →

Moving to Port Isabel? Set up your utilities in one pass

Electricity is the only utility you choose — and the only one where the wrong pick costs you every month. The rest come fixed with your address. The whole list:

  1. 1

    Turn on electricity

    Most Port Isabel addresses have smart meters — order by 5 p.m. on a business day and power can start the same day. Pick from today’s plans above, or price every plan we offer at your usage.

    Price plans for your new address →
  2. 2

    Start water & sewer

    Set by your address — one provider, no shopping needed.

    City of Port Isabel Water Department Call 956-943-2682 Website →
    City of Port Isabel Wastewater Department Call 956-943-2682 Website →
  3. 3

    Connect natural gas

    Set by your address — one provider, no shopping needed.

  4. 4

    Set up trash & recycling

    Set by your address — one provider, no shopping needed.

    City of Port Isabel Solid Waste Services Call 956-943-2682 Website →
Go deeper The full Port Isabel electricity guide Read the guide ↓

About Port Isabel: population 5,467 · Cameron County · deregulated — you choose your provider.

Your Insider’s Guide to Finding the Best Electricity Rates and Energy Plans in Port Isabel

If you’re a long-time resident, a new mover, own a business, or need no-deposit power, this insider’s guide will help you discover your best electricity plan in Port Isabel.

Port Isabel Electricity Rates

ProviderPlanPriceTermCancellation FeeTypeDocs
F
Frontier UtilitiesSaver Plus 12 Credits7.0c per kWh12 Mo$150Fixed
A
APGESimpleSaver 10 Credits7.0c per kWh10 Mo$150Fixed
G
Gexa EnergyEco Saver Plus 12 Green Credits7.1c per kWh12 Mo$150Fixed
G
Gexa EnergySaver Plus 12 Credits7.1c per kWh12 Mo$150Fixed
A
APGESimpleSaver 12 Credits7.1c per kWh12 Mo$150Fixed
R
Rhythm EnergyRhythm Max Saver 12 Green Credits7.2c per kWh12 Mo$20/Mo remainingFixed
E
Energy TexasThe Lone Saver Plus 12 Green Credits7.2c per kWh12 Mo$20/Mo remainingFixed
R
Rhythm EnergyRhythm Max Saver 24 Green Credits7.3c per kWh24 Mo$20/Mo remainingFixed
Total: 123 plans Utility: AEP Texas Fetched: 9:28 PM

Price all 123 plans at your usage →

You can choose your home’s electric provider in Port Isabel.

Compare Power is a free consumer service started in 2009 to assist residents of Port Isabel in searching for their best electricity plan.

Plan information is presented in a user-friendly format that enables a quick and simple comparison of available plans and options.

Competing offers from several electricity providers are outlined in a standardized format, making comparing your options simple and fast.

This allows Texas energy customers to avoid hidden charges and advertising gimmicks by comparing plans “apples-to-apples” without spending hours and hours making phone calls or navigating hundreds of different websites.

Electricity in Port Isabel has been deregulated. As an energy customer, you can choose a retail electricity provider (your electricity company), which gives you flexibility and power over your energy bills.

Deregulation of energy in the state de-monopolized the energy market for most of the state, the city of Port Isabel included, which introduced massive competition.

As a result, many fantastic retail electricity providers compete for your business in Port Isabel by offering low prices, making it a great time to shop, switch, and save money on your energy bill.

As many as 60-100 retail electricity providers compete for your business in Port Isabel, with hundreds of plans to select from.

Average Electricity Rates in Port Isabel

May 2026

The average residential electricity rate in Texas is 16.4¢, 11% less than the U.S. average.

EIA Rates

Residential · Texas · last 24 months

14.6¢15.2¢15.8¢16.4¢17.0¢06/2405/2505/26
Latest
16.4¢/kWh
Period avg
15.5¢/kWh
Min
14.6¢/kWh
Max
17.0¢/kWh
Source: U.S. Energy Information Administration (EIA Form 826) · snapshot 2026-07-23.

Got me the cheapest electric. Nice.

How to Find the Best Energy Plan in Port Isabel

#1 rule: Determine what your usage is!

Knowing the amount of energy you will consume monthly is the ideal way to shop for power in Port Isabel. Why is this so vital?

The rate you see energy companies advertising is for an exact monthly usage (typically 1000 kWh).

Every plan uses a different equation for how your monthly bill is computed, and your monthly bill will vary depending on how much power you consume each month.

Unless you match the exact advertised usage each month, you will pay a “price per kWh” different than the one you saw advertised when you enrolled.

Thankfully, there’s a better way to choose your power provider.

Calculating your total monthly bill based on anticipated monthly usage, then comparing options by total monthly cost is the best way to shop for the lowest rate for you.

Even better, if you have a year of usage history for your home, you can compare plans by total annual cost. This annualized method considers the changes in usage between the summer and winter months and is the ideal way to find the right electricity rate plan for your home.

Compare Power does all the complicated math for you in an instant. What takes hours inside a spreadsheet is now solved in just seconds.

We put the power in your hands, taking what would amount to hours of investigation, spreadsheets, and computations across hundreds of offers to guide you to the best electricity rate plan for your household’s usage.

We clarify the fine print, disclosing the various charges, so you’ll know exactly where your money is going and what to expect on your monthly bill.

We then help you sign up with your chosen energy provider without leaving our service.

The bottom line is you should know your expected or historical usage before selecting the best electricity plan for your home.

Energy usage history document showing monthly consumption data with pen pointing to figures

If you don’t know your usage, estimate

If you cannot acquire 12 months of historical usage or own a brand new home, the next best thing is to estimate how much energy you will use in an average month.

While not as optimal as having all the previous 12 months of usage, estimating your average usage is better than blindly picking the first plan you see advertised by an electricity provider at a specific usage that isn’t what you’ll consume.

Use Compare Power to find the best electricity plan for your specific usage.

Moving to Port Isabel: Setting up Electricity

If this is your first time setting up electricity service in Port Isabel, to get the best rate, you need to get the previous 12 months of energy usage for your new home.

Ask the previous homeowner to provide you with their past 12 months of usage.

This information is readily found in recent billing statements.

Acquiring usage for the past 12 months may take effort, but the time (and savings) will be well worth it.

Once you have historical usage, Compare Power will do the math instantly to help you find the best plan for your home’s usage pattern.

Note: You can estimate your monthly usage if you can’t obtain a usage history. Utilize our “Help Me Choose” tool when you enter your zip code below, and we’ll help you evaluate your home’s usage.

By signing up for a plan through Compare Power, you will receive automated reminders when it’s time to renew your existing plan or possibly switch plans.

Switching Electricity Companies in Port Isabel

Switching is good. Market conditions are constantly in flux, so shopping for a lower rate each year is vital when your contract expires.

Your existing electricity company will typically raise your electricity rate once your contract expires. If you do not take action, you’ll be left on a month-to-month rate significantly higher than the plan you signed up for.

Electric plug on hundred dollar bills with utility bill showing balance and electric charges

Before renewing your contract, shop the rates of competing energy providers.

Switching can save you hundreds or thousands of dollars yearly on your electricity bill.

Switching is easy:

  • You don’t have to call your current company to cancel (no “break-up call”)
  • No one comes to your home
  • There is no disruption in your power supply
  • It takes just minutes

When you decide to switch, your new electricity provider will handle everything, including canceling service with your previous company.

Your lights stay on when you switch. Electricity in Port Isabel is all delivered by the Oncor Transmission and Distribution Utility.

The wires and poles that deliver electricity to your home do not change when you switch energy companies. Therefore the reliability of your service is not affected.

You can choose any date within 14 days of your contract expiration without an “early cancellation” fee. That’s Texas Law.

If you’re still under contract, find out how many months remain. You can set a future start date with most companies up to 60 days in advance.

And even if you’re well inside your contract, savings achieved on your monthly bill by switching providers may outweigh the fee of breaking your existing contract.

If you’re ready to switch and would like to know how to find the best plan remember that knowing your usage is the best way to find the lowest price.

Keep in mind that when you get ready to switch and you want to know the most efficient way to find the right plan at the best rate, it is essential that you first understand your usage. To accomplish that, you must collect the usage history for the past 12 months.

Port Isabel Energy Companies

Provider Phone Rating
Good Charlie Energy 800-205-5230 4.9 (1,380)
Ambit Energy 877-282-6248 4.7 (563)
Frontier Utilities 877-437-7442 4.7 (16,419)
Gexa Energy 866-961-9399 4.7 (27,650)
Payless Power 855-854-8490 4.7 (22,601)
Pogo Energy 888-764-6669 4.7 (4,048)
Rhythm Energy 855-441-3030 4.7 (5,430)
TXU Energy 866-370-2440 4.7 (9,779)
Constellation 888-900-7052 4.6 (3,711)
Veteran Energy 800-578-7070 4.6 (1,322)
4Change Energy 855-784-2426 4.5
Amigo Energy 214-550-6496 4.5 (17)
BKV Energy 855-258-4797 4.5 (1,131)
Clearview Energy 800-746-4702 4.4 (1,068)
Just Energy 214-245-4065 4.4 (448)
Power Express 877-400-0232 4.4 (208)
Reliant 877-282-6248 4.4 (2,521)
Alliance Power 877-777-2017 4.3 (6)
APGE 877-544-4857 4.3 (2,732)
Chariot Energy 844-854-2257 4.2 (989)
Spark Energy 877-547-7275 4.2 (2,602)
Stream Energy 888-962-5888 4.2 (1,241)
TriEagle Energy 888-893-6737 4.2 (2,247)
Direct Energy 855-461-1926 4.0 (1,681)
Octopus Energy 833-628-6888 4.0 (126)
STAT Energy 855-207-7828 4.0 (100)
Varsity Energy 877-827-7389 4.0 (118)
Acacia Energy 877-997-2946 3.9 (1,800)
Green Mountain 877-245-7795 3.9 (3,294)
IronHorse 866-316-1549 3.9 (160)

Showing 30 active providers · residential. Sorted by Google rating.

Are you looking for a great electric company in Port Isabel?

You can sign up for service with great electricity providers such as TXU Energy, Reliant, Direct Energy, and more.

To sign up, learn more, or view current rates, click on your chosen company.

No-Deposit Electricity Plans in Port Isabel

Need to find an energy plan in Port Isabel that doesn’t require a deposit?

If you are assessed a deposit on your first plan selection, Compare Power will automatically show you other plans available without a deposit.

Instead of calling many energy companies or browsing through websites to determine if different electricity companies need a deposit, this will save you tremendous time and effort.

Working for you, we will instantly review any deposit requirements for other plans, allowing you to get power and return to your regular activities stress-free.

Learn how to get no-deposit lights.

Deposit Waivers

You may be eligible to have the deposit waived if you meet one of the requirements from the Texas Public Utility Commission §25.478 - PUCT §25.478.

Port Isabel Business Energy Rates

If you run a business in Port Isabel, you’re not alone.

Port Isabel is home to many small and large companies and is a thriving place to run a business.

Open sign hanging in store window welcoming customers

To lower your electricity bill, compare prices from competing energy companies.

Compare Power bridges the gap between your business and energy companies by inviting various energy companies to compete for your business in a sealed bid process.

You submit your information once, and the companies will present their bids. You pick the cheapest rate. Simple, quick, and easy.

Click hereto get competing quotes for your business electricity.

Port Isabel Utilities

Electricity

To learn more about smart meters or to download your electricity usage, visit (866) 223-8508.

To report an issue with your electricity service or power outages in Port Isabel, visit the https://outagemap.aeptexas.com/ or call them at (866) 223-8508.

Gas

For gas service in Port Isabel, call or visit Port Isabel’s official city website to determine your provider.

Waster/Sewer/Garbage/Recycling

In Port Isabel, the City of Port Isabel usually handles water, garbage, sewer, and recycling services.

Other Utility Service Areas in Texas

Not in the AEP Central Service area? Search low electricity rates by service area and local utility company.

Click on your Texas Distribution Utility (TDU) below to compare electricity rates in your service area.

  • CenterPoint
  • Oncor
  • Texas-New Mexico Power (TNMP)
  • AEP Texas North
  • AEP Texas Central
  • Sharyland Utilities

View Electricity Prices for Zip Codes in Port Isabel

Find cheap electricity rates by zip code. Click on your zip code below to find competitive rates in your area.

Popular TX ZIP codes

Showing 40 of 1321 TX ZIP codes.

View Electricity Prices for Cities Near Port Isabel

Are you looking for a cheap electricity rate in another city? Find your city below and click to sign up for a low-cost electricity plan.

If your city is not on the list, use the zip code finder for a rate lower than you currently pay.

Port Isabel Electricity Rates FAQs

Did You Know?

HISTORICAL

Port Isabel was founded in 1928 and named after Queen Isabella of Spain, who sponsored Christopher Columbus's voyages to the New World. The town was established as a deep-water port to serve the Rio Grande Valley's growing agricultural industry, particularly citrus and cotton exports. During World War II, the port played a crucial role as a training base for naval personnel and a departure point for military supplies heading to the Pacific Theater.

RECENT

In 2019, Port Isabel completed a major waterfront revitalization project that transformed the historic downtown area into a tourist destination featuring new restaurants, shops, and a marina expansion. The $15 million project included the restoration of several 1930s-era buildings and the creation of a new boardwalk that connects to South Padre Island. This development has significantly boosted the local economy and attracted new businesses to the area.

OTHER

FAMOUS PEOPLE/EVENTS: Port Isabel is famous for being the filming location for several scenes in the 1956 movie 'Giant' starring Rock Hudson, Elizabeth Taylor, and James Dean. The iconic Port Isabel Lighthouse, built in 1852, served as a backdrop for the film and has since become one of the most photographed landmarks in South Texas. The lighthouse was also used as a navigation aid for ships carrying supplies during the Mexican-American War.

DID YOU KNOW

Port Isabel is home to the world's largest population of Kemp's ridley sea turtles, the most endangered sea turtle species on Earth. Every year between April and July, hundreds of these rare turtles come ashore to nest on the nearby beaches, with some females weighing up to 100 pounds. The town has become a major center for sea turtle research and conservation, with scientists from around the world coming to study these ancient mariners.

CULTURAL

Port Isabel hosts the annual Texas International Fishing Tournament, which has been running since 1934 and is one of the oldest saltwater fishing competitions in the United States. The four-day event attracts thousands of anglers from across North America who compete for prizes in multiple categories including red snapper, king mackerel, and tarpon. The tournament has become so integral to the town's identity that local schools close during the event, and many businesses offer special tournament week promotions.

City Departments & Utilities

City Hall

956-943-2682

Website

305 E Maxan St, Port Isabel, TX 78578

Water

City of Port Isabel Water Department

956-943-2682

Website

Natural Gas

Texas Gas Service

800-700-2443

Website

Garbage & Recycling

City of Port Isabel Solid Waste Services

956-943-2682

Website

School District

Point Isabel Independent School District

956-943-1700

Website

Public Library

956-943-7822

Website