
Sign Up for Same-Day Electricity in Texas
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How to Start Your Same-Day Electric Service
You can get same-day electricity service in Texas, depending on your location. It may be easier than you think, and it could be one less thing to worry about when moving to a new home or when you just need power set up quickly.
In a few easy steps, you could have same-day electricity set up. It’s best to do the following early in the day:
- Check availability. See if your address qualifies for same-day electricity in Texas. Check the Texas Electric Guide for details.
- Choose your provider and plan. Texas is a deregulated state, so you can choose your provider and plan. Explore your Texas energy plan options for the best fit.
- Provide the required information. To set up an account, you’ll need to provide a service address, a start date, and validate your identity with a driver’s license and/or Social Security number.*
- Clear the soft credit check. Having good credit may help you avoid paying a deposit.
- Submit your service request. If you submit your request by the daily deadline, usually 5:00 p.m. CST, you can receive same-day electricity service.**
- Get confirmation. You’ll get a text or email confirming your enrollment and when your service will start.
Benefits of Choosing Constellation for Same-Day Electricity in Texas


Plans with no base charge
You can choose between fixed-rate and variable-rate plans, plus options for renewable energy, that match your usage patterns, priorities and budget. You never need to worry about a base charge.

Cancellation fee coverage
If your current provider charges you any fees when you cancel, Constellation will cover them up to $150.

Customized energy usage emails
We help you manage your budget and improve your usage efficiency through tools and alerts that give you real-time energy consumption information and estimate your monthly bill.

Access to Constellation Rewards
As a Constellation customer, you’ll earn monthly rewards and bonuses that you can redeem for gift cards, travel and more through Constellation Rewards.

Refer a Friend bonus
If you refer a friend or family member to Constellation and they sign up for service, you both receive a $50 gift card.
Same-Day Electricity FAQs
Power that comes from sources with energy that is continuously renewed is considered renewable energy. Common examples of renewable energy sources are solar power, hydropower, wind power, and geothermal energy, and biomass.
Renewable energy companies generate electricity from the sun, water, and wind, and other sources.
RECs (also known as renewable energy certificates, green tags, or TRCs) each represent the environmental and social attributes of 1 megawatt-hour (MWh) of renewable electricity generated by sources such as wind, solar, or hydropower. They’re tradable and separate from the physical electricity. Buying a REC allows you to claim that amount of your electricity use is matched by renewable generation, even if the electrons you actually consume come from the standard grid.
As of 2023, renewable sources (wind and solar) supplied roughly one‑third of Texas’s electricity generation, the highest share of any state. Texas leads the U.S. in renewable growth: from 2024 into early 2025, it added over 90% of new capacity nationwide in wind, solar, and battery storage, with monthly solar/battery growth exceeding 1 GW during 2024–25.
Looking to switch Texas electricity providers? Moving to Texas and need power? Learn all you need to know about energy choice, electric plans & electricity rates to make a wise choice in our Texas Electricity Guide.
* When enrolling, you will be required to provide either a driver’s license or Social Security number, which will be used to check if a deposit is needed and to verify your identity. For faster verification, we recommend providing your Social Security number.
** Requests processed after 5:00 p.m. CST are connected on the next business day. Same-day service, or a priority move-in, is offered Monday through Friday, weather permitting, where an existing meter is in place. There are no connections on holidays or weekends. Enrollment and permit requirements must be met before a request can be processed. Your local utility company may charge a fee for a priority same-day setup, which may vary based on your utility company and location. We recommend contacting your utility company to see if there is a priority move-in or same-day service fee.