San Antonio electricity rates
The market's real numbers for San Antonio (South-Central Texas), with their source and their date. No teaser rates and no "today's cheapest plan": live prices belong in the comparison, which computes them at your actual usage.
EIA averages, data through 04/2026. Market context, not your bill and not any plan's price.
Does San Antonio have energy choice?
Mostly no. San Antonio proper, in ZIP codes starting with 782, is served by CPS Energy, the largest municipal utility in the country. There is no retail choice there: CPS Energy delivers and bills, and no provider switch is possible.
Some surrounding communities sit on deregulated AEP Texas territory and can shop retail plans. Others run their own municipal utilities and cannot: New Braunfels is on New Braunfels Utilities and Boerne has a city utility of its own.
If you are near the edge of the metro, enter your ZIP in the comparison and it will tell you honestly which market you are in, including when the answer is that your area has no retail choice.
Who delivers power in San Antonio
San Antonio is in Bexar County, in the South-Central Texas.
Municipal utility for San Antonio proper (782 ZIPs). It delivers and bills. No retail choice.
TDU for the deregulated communities around the metro. It owns the wires and meters; you choose the retail provider that bills you for the energy.
The full TDU territory map lives on the Texas rates page.
Before you pick a plan in San Antonio
The big advertised number is almost never what lands on your bill. At usage like San Antonio's (1,240 kWh in an average month), base charges, bill-credit thresholds, and minimum-usage fees can move the real cost by several cents per kWh. We check every plan for these four traps:
What each one means, with examples: the rates guide and the glossary.
Frequently asked questions
What is the average electricity rate in San Antonio?
The EIA publishes average rates at the state level: the Texas residential average is 16.99 cents per kWh all-in (energy, delivery, and fees), per data through 04/2026, versus 18.83 cents nationally. At San Antonio's average usage of about 1,240 kWh per month, that state-average rate implies a bill of roughly $211. These are market context, not any plan's price: what you actually pay depends on your plan and your usage.
Is electricity deregulated in San Antonio?
Mostly no. San Antonio proper, in ZIP codes starting with 782, is served by CPS Energy, the largest municipal utility in the country. There is no retail choice there: CPS Energy delivers and bills, and no provider switch is possible. Some surrounding communities sit on deregulated AEP Texas territory and can shop retail plans. Others run their own municipal utilities and cannot: New Braunfels is on New Braunfels Utilities and Boerne has a city utility of its own. If you are near the edge of the metro, enter your ZIP in the comparison and it will tell you honestly which market you are in, including when the answer is that your area has no retail choice.
Who delivers electricity in San Antonio?
It depends on the address. Inside San Antonio, CPS Energy is the municipal utility and handles everything. In the deregulated communities around the metro, AEP Texas owns the wires and meters and charges regulated delivery rates, while the retail provider you choose bills you for the energy.
How much electricity does a typical San Antonio home use?
About 1,240 kWh per month, an estimate anchored to EIA residential consumption data for Texas metros. Actual usage swings hard with the seasons: Texas summers are air-conditioning dominant, so July and August run far above the annual average while winter months run below it.
Can I shop electricity plans near San Antonio?
Yes, in the deregulated communities around the metro that sit on AEP Texas territory. Inside San Antonio proper, and in New Braunfels and Boerne, there is no retail choice, because municipal utilities serve those areas.
Sources: averages derived from U.S. Energy Information Administration data (through 04/2026); delivery territories and market structure per the Public Utility Commission of Texas. Voltcheckr LLC is an independent energy broker (PUCT Broker Registration BR260102) and is paid supplier referral commissions; the comparison is free to the customer.
Other Texas cities
So what's your number?
Averages are context. The comparison computes every live plan at your actual usage, ranked by honest all-in cost.