City of San Antonio electricity rates
Municipal utility · Texas · TRE region
City of San Antonio is a city-owned municipal utility, governed locally rather than by the state commission, serving 888,946 homes in Texas. Its residential customers pay an average of 12.74¢/kWh including fixed and delivery charges, 29% less than the U.S. average.
Rate basis: EIA-861M monthly utility data, 12 months ending 2026-07.
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City of San Antonio bill estimates
| Monthly use | At average all-in rate |
|---|---|
| 500 kWh | $63.70 |
| 1,000 kWh | $127.40 |
| 1,500 kWh | $191.10 |
| 2,000 kWh | $254.80 |
City of San Antonio residential rate plans
| Plan | Effective | Customer charge | Energy charges |
|---|---|---|---|
| RE - Residential Servicetime-of-use | 2026-01-01 | $9.50 | 8.9¢ (12am–12am) — summer weekdays |
| RA - Residential All-Electrictime-of-use | 2026-01-01 | $9.50 | 8.9¢ (12am–12am) — summer weekdays |
Source: OpenEI U.S. Utility Rate Database. Rates change. Check the linked tariff or your bill for current figures.
City of San Antonio rate history
2015–2025: +16% change in the average residential rate (10.66¢ → 12.40¢). Annual EIA-861 data.
Outages & reliability
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Reliability history
| 2025 | City of San Antonio | Texas avg | U.S. avg |
|---|---|---|---|
| Outage minutes per customer (SAIDI) | 111 | 224 | 266 |
| Outages per customer (SAIFI) | 1.54 | 1.65 | 1.34 |
| Average restoration time (CAIDI) | 72 min | — | — |
| Outage minutes excluding major storms | 75 | 127 | 121 |
Outages in counties served (2025)
From ORNL EAGLE-I, which tracks customers without power every 15 minutes. These counts cover every utility in each county. Weighted across City of San Antonio's counties, customers averaged 94 min without power.
| County | Outage min/customer | Days with outages | Peak customers out | Worst day |
|---|---|---|---|---|
| Bandera | 1,238 | 39 | 1,422 | 2025-10-10 |
| Medina | 426 | 60 | 4,944 | 2025-06-16 |
| Atascosa | 170 | 40 | 1,888 | 2025-11-07 |
| Kendall | 169 | 51 | 2,123 | 2025-10-25 |
| Comal | 129 | 50 | 9,333 | 2025-10-25 |
| Guadalupe | 91 | 49 | 3,236 | 2025-05-05 |
| Bexar | 82 | 23 | 26,117 | 2025-06-12 |
| Wilson | 58 | 26 | 3,264 | 2025-03-07 |
City of San Antonio service area
City of San Antonio serves 8 counties in Texas and 117 ZIP codes.
Atascosa, Bandera, Bexar, Comal, Guadalupe, Kendall, Medina, Wilson
Cities: San Antonio, New Braunfels, Schertz, Cibolo, Seguin, Converse, Universal City, Live Oak, Boerne, Timberwood Park, Pleasanton, Selma, Helotes, Fair Oaks Ranch, Floresville, Windcrest, Lakehills, Scenic Oaks, Bulverde, Devine, Garden Ridge, Poteet, Cross Mountain, Castroville, Lytle, Saint Hedwig, Somerset, Elmendorf, Natalia, China Grove, La Vernia, Von Ormy, La Coste, Marion
Programs, smart meters & solar
| Smart meters (AMI) for homes | 100% |
| Customers with daily usage data online | 638,487 |
| Time-based rate programs | None reported |
| Net-metered solar homes | 48,818 |
| Homes in demand response (e.g. thermostat rebates) | 504,786 |
| Residential efficiency incentives paid (2025) | $26,401,194 |
| Residential energy saved by programs | 54,094 MWh |
City of San Antonio at a glance
| Ownership | Municipal utility |
| Services | Generation, Transmission, Distribution, Wholesale Marketing, Bundled |
| Commercial rate | 10.41¢/kWh |
| Industrial rate | 9.20¢/kWh |
| Retail revenue (2025) | $2,874,430,300 |
| Electricity sold (2025) | 25,925,365 MWh |
| Peak demand | 5,674 MW summer · 5,152 MW winter |
| Power from own generation | 71% (rest purchased) |
| Line losses | 9.2% |
| Balancing authority | ERCO |
| EIA utility ID | 16604 |
| Website | www.sanantonio.gov |
Other utilities in Texas
Frequently asked questions
What is City of San Antonio's electricity rate?
City of San Antonio residential customers pay an average of 12.74¢ per kWh, all charges included (EIA-861M monthly utility data, 12 months ending 2026-07). That's 20% below the Texas average of 15.96¢ and 29% below the U.S. average.
What is the average City of San Antonio electric bill?
About $137 a month. The average City of San Antonio home uses 1,075 kWh a month. At 1,000 kWh the bill would be about $127.
How many customers does City of San Antonio have?
City of San Antonio serves 888,946 residential customers and 986,641 customers in total in Texas, across 8 counties.
How reliable is City of San Antonio?
In 2025, the average City of San Antonio customer was without power for 111 min (SAIDI) over 1.54 interruptions (SAIFI), including major storms. Excluding major event days it was 75 min. The Texas average was 3 hr 44 min and the U.S. average 4 hr 26 min.
Does City of San Antonio offer time-of-use rates?
Yes. The OpenEI rate database lists 2 time-of-use residential plans, including RE - Residential Service. Running big appliances off-peak can cut their cost. Pick the plan in the calculator above to see by how much.
Does City of San Antonio offer net metering for solar?
City of San Antonio had 48,818 residential net-metered customers in 2025 with 414.4 MW of capacity. Estimate solar savings at this utility's rate.
Sources: EIA-861 2025 and EIA-861M (through July 2026), OpenEI URDB, ORNL EAGLE-I, U.S. Census. Methodology. Spot an error? Rates change often, so confirm with City of San Antonio before making decisions.