Serving San Marcos, TX Since 2006

    Ambit Energy Rates & Plans in
    San Marcos, Texas

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

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    Individual results vary. Savings not guaranteed.

    Local Services

    San Marcos, TX Utility Setup Guide

    San Marcos is a vibrant Hill Country community in Hays County, home to Texas State University and a growing population that blends student life with family neighborhoods and retiree communities. The San Marcos River and scenic surroundings have made it a hub for tourism and outdoor recreation. When you move to San Marcos, you'll need to contact two entities for electricity service. Oncor Electric Delivery is the regulated utility that owns and maintains the poles, wires, and meters—call them for outages and emergency service issues. For choosing your electricity plan, billing, and customer support, you'll work with a retail electricity provider like Ambit Energy. This separation between the grid operator and the service provider is standard for Texas's deregulated electricity market. San Marcos summers bring significant cooling demand, and the Hill Country location offers slightly more relief than lower elevations, though air conditioning remains essential from June through September. Winter usage is typically mild. Most San Marcos households use between 1,000 and 2,000 kilowatt-hours per month depending on season and home size. When comparing electricity plans, focus on rates in the 1,000 to 2,000 kWh tier rather than advertised introductory rates at 500 kWh, since that range reflects where typical households actually spend their money over a full 12-month contract. This approach gives you a realistic picture of your annual savings.

    Your Electric Options

    Top 4 Ambit Energy Electricity Plans for San Marcos

    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 San Marcos homes use 1,000–1,500 kWh/month — the 1,000 kWh column is the most realistic comparison.

    Local Info

    San Marcos, 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)

    San Marcos Police Department

    County Courthouse

    Records, permits, court business

    Post Office

    USPS retail + mailing

    Frequently Asked

    San Marcos Electricity Service FAQ

    About San Marcos

    Who do I call for a power outage in San Marcos?+
    Call Oncor Electric Delivery at (888) 313-4747. Oncor Electric Delivery maintains the wires and restores outages in the San Marcos area. Your Ambit plan covers billing only.
    Which Ambit Energy plan offers the best value in San Marcos?+
    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 San Marcos ZIP codes?+
    Yes. Ambit serves all San Marcos ZIP codes and surrounding areas in the same TDU territory.
    What nearby cities do you serve?+
    Martindale, Kyle, Maxwell, Wimberley — all in Oncor Electric Delivery territory.
    How do I set up water service in San Marcos?+
    Call City of San Marcos at (512) 393-8026. 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 San Marcos?

    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.