Serving Karnes City, TX Since 2006

    Ambit Energy Rates & Plans in
    Karnes City, Texas

    Start service at a new address, pay your bill, manage your account, or transfer your electricity — all in one place. Karnes City is in Texas's deregulated market, so you choose your provider.

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    Individual results vary. Savings not guaranteed.

    Local Services

    Karnes City, TX Utility Setup Guide

    Karnes City is the county seat of Karnes County in South-Central Texas, located approximately 35 miles southwest of San Antonio with a population of around 3,300 residents. As a homeowner or renter moving to Karnes City, you'll need to know that Oncor Electric Delivery is the transmission and distribution utility that owns the poles, wires, and meters in your area—Oncor is who you call if the power goes out or for any infrastructure issues. For your retail electricity provider, Ambit Energy offers competitive plans, handles your billing, and provides customer support. This split between the regulated utility company and retail provider is standard for Texas's deregulated electricity market and gives you flexibility to choose your energy plan. Karnes City experiences hot, humid summers that drive up cooling costs and mild winters with lower heating needs, making summer months the primary driver of annual electricity consumption. When comparing plans with Ambit Energy, focus on rates quoted for the 1,000 to 2,000 kilowatt-hour tier rather than the advertised 500 kWh tier, since most households in this climate fall into that range over a twelve-month contract period. This approach helps you find genuine savings rather than a rate that only applies to a smaller usage bracket. Take time to review multiple plan options before committing, and consider your household's typical summer cooling patterns when making your selection.

    Your Electric Options

    Top 4 Ambit Energy Electricity Plans for Karnes City

    Serving the Oncor Electric Delivery utility area. Rates include E-Plan (paperless) discount.

    LOWEST RATE

    Budget Relief 12

    12 months

    500 kWh
    23.0¢
    1,000 kWh
    16.5¢
    2,000 kWh
    18.3¢
    Sign Up

    Texas Solar Buyback 24

    24 months

    500 kWh
    17.0¢
    1,000 kWh
    17.6¢
    2,000 kWh
    17.9¢
    View Plan

    Texas Solar Buyback 12

    12 months

    500 kWh
    17.0¢
    1,000 kWh
    17.6¢
    2,000 kWh
    17.9¢
    View Plan

    Lone Star Classic 24

    24 months

    500 kWh
    20.1¢
    1,000 kWh
    18.6¢
    2,000 kWh
    17.9¢
    View Plan

    Most Karnes City homes use 1,000–1,500 kWh/month — the 1,000 kWh column is the most realistic comparison.

    Local Info

    Karnes City, TX Utility & Government Contacts

    Verified numbers, addresses, and websites for services you'll need during your move.

    Oncor

    Power outage · grid operator

    Call Oncor for outages — not Ambit.

    City Hall

    Permits, utilities, general

    Police (non-emergency)

    Karnes City Police Department

    County Courthouse

    Records, permits, court business

    Post Office

    USPS retail + mailing

    Frequently Asked

    Karnes City Electricity Service FAQ

    About Karnes City

    Who do I call for a power outage in Karnes City?+
    Call Oncor Electric Delivery at (888) 313-4747. Oncor Electric Delivery maintains the wires and restores outages in the Karnes City area. Your Ambit plan covers billing only.
    Which Ambit Energy plan offers the best value in Karnes City?+
    At typical 1,000 kWh usage, Budget Relief 12 delivers the best fixed-rate value at 16.5¢/kWh (E-Plan included). For summer A/C months, the Summer Break plan offers 50% off energy charges June–September — often the strongest value when usage spikes.
    Is Ambit available in all Karnes City ZIP codes?+
    Yes. Ambit serves all Karnes City ZIP codes and surrounding areas in the same TDU territory.
    What nearby cities do you serve?+
    Kenedy, Falls City, Floresville, Stockdale — all in Oncor Electric Delivery territory.
    How do I set up water service in Karnes City?+
    Call Karnes City Water Department at (830) 780-2812. Deposit may apply for new accounts. Setup typically completes in 1–3 business days.

    About the Texas Deregulated Market

    How long does it take to switch providers?+
    1 to 7 days, completed by your next meter read. No service interruption. New-address connections can usually happen same-day or next-day.
    What's the difference between Oncor and Ambit?+
    Oncor Electric Delivery owns the poles, wires, and meters (the Transmission & Distribution utility). Ambit is the retailer that sells your plan and sends your bill. You choose the retailer; the TDU is fixed by geography.
    Fixed vs variable rates — which should I pick?+
    Fixed locks your ¢/kWh for 12, 24, or 36 months. Variable can change monthly with wholesale prices. Most Texas households pick fixed for budget predictability, especially during summer peak months.
    What is the E-Plan discount?+
    Ambit's paperless billing discount — enroll in email-only billing and your rate drops by 0.2¢/kWh. Rates on this page assume E-Plan is enabled; add 0.2¢/kWh for paper billing.
    Do you have Spanish-language support?+
    Yes — our site is fully bilingual and phone support is available in Spanish. Ver esta página en español →

    Ready to switch in Karnes City?

    Enroll in 5 minutes or call for help choosing a plan. Same-day and next-day connections available.

    Electric Bill Estimator

    Enter your current electric rate or your total bill and electricity usage to see how much you could potentially save before signing up or making the switch.

    ¢/kWh
    Disclaimer: Savings estimates are for illustration purposes only and are not guaranteed. Actual rates vary based on usage, location, and plan terms. Rates shown are at 2000 kWh usage level. E-Plan discount requires enrollment in electronic billing. Texas Energy Saver is an Independent Ambit Energy Consultant. Ambit Texas, LLC REP #10117.