City of San Antonio Electricity Rates and Average Bill (Texas)
Data through April 2026 (the latest month EIA has published) · Updated July 21, 2026
As of April 2026, City of San Antonio's residential customers in Texas paid an average effective rate of 13.07¢/kWh with an average monthly bill of $108.23, per EIA Form 861-M data. That rate is 3.9¢ below the Texas average of 16.99¢/kWh; the U.S. average is 18.83¢/kWh.
Rate trend vs the Texas average
View this chart as a table (last 12 months)
| Month | Rate (¢/kWh) | Avg bill ($/mo) | Avg usage (kWh/mo) |
|---|---|---|---|
| May 2025 | 12.15 | 127.89 | 1053 |
| June 2025 | 12.94 | 161.07 | 1245 |
| July 2025 | 13.62 | 182.72 | 1342 |
| August 2025 | 12.86 | 191.82 | 1491 |
| September 2025 | 12.88 | 183.41 | 1424 |
| October 2025 | 12.11 | 139.33 | 1151 |
| November 2025 | 11.31 | 100.0 | 885 |
| December 2025 | 12.8 | 94.32 | 737 |
| January 2026 | 12.04 | 111.6 | 927 |
| February 2026 | 14.17 | 126.91 | 895 |
| March 2026 | 13.49 | 92.5 | 686 |
| April 2026 | 13.07 | 108.23 | 828 |
City of San Antonio vs Texas vs the U.S.
| City of San Antonio | Texas | U.S. average | |
|---|---|---|---|
| Rate (April 2026) | 13.07¢/kWh | 16.99¢/kWh | 18.83¢/kWh |
| Average monthly bill | $108.23 | $144.18 | $127.71 |
| Average monthly usage | 828 kWh | 848 kWh | 678 kWh |
| Rate change, 1 year | +0.0% | +9.5% | +7.3% |
Estimate a bill at City of San Antonio rates
Worked example: 1,000 kWh at City of San Antonio's average effective rate of 13.07¢/kWh is about $130.70. The utility's actual average usage is 828 kWh/month, which produces the $108.23 average bill. This is an all-in average (energy, delivery, fixed charges, riders); your tariff's marginal price will differ.
See the full Texas rate trend, look up another utility by ZIP code, or read why electric bills are rising.
Source: EIA Form 861-M (monthly utility-level sales to ultimate customers, residential), published with roughly a two-month lag. Rate = revenue ÷ sales; bill = revenue ÷ customers. Months failing basic sanity screens are excluded. See methodology.