City of San Antonio Electricity Rates and Average Bill (Texas)
Data through August 2026 (the latest month EIA has published) · Updated October 31, 2026
As of August 2026, City of San Antonio's residential customers in Texas paid an average effective rate of 13.47¢/kWh with an average monthly bill of $205.21, per EIA Form 861-M data. That rate is 2.4¢ below the Texas average of 15.91¢/kWh; the U.S. average is 18.16¢/kWh.
Rate trend vs the Texas average
View this chart as a table (last 12 months)
| Month | Rate (¢/kWh) | Avg bill ($/mo) | Avg usage (kWh/mo) |
|---|---|---|---|
| September 2025 | 12.88 | 183.41 | 1424 |
| October 2025 | 12.11 | 139.33 | 1151 |
| November 2025 | 11.31 | 100.00 | 885 |
| December 2025 | 12.80 | 94.32 | 737 |
| January 2026 | 12.04 | 111.60 | 927 |
| February 2026 | 14.17 | 126.91 | 895 |
| March 2026 | 13.49 | 92.50 | 686 |
| April 2026 | 13.07 | 108.23 | 828 |
| May 2026 | 12.17 | 110.91 | 911 |
| June 2026 | 12.55 | 141.90 | 1131 |
| July 2026 | 13.33 | 187.39 | 1406 |
| August 2026 | 13.47 | 205.21 | 1523 |
City of San Antonio vs Texas vs the U.S.
| City of San Antonio | Texas | U.S. average | |
|---|---|---|---|
| Rate (August 2026) | 13.47¢/kWh | 15.91¢/kWh | 18.16¢/kWh |
| Average monthly bill | $205.21 | $265.58 | $209.23 |
| Average monthly usage | 1523 kWh | 1670 kWh | 1152 kWh |
| Rate change, 1 year | +4.7% | +3.3% | +3.4% |
Estimate a bill at City of San Antonio rates
Worked example: 1,000 kWh at City of San Antonio's average effective rate of 13.47¢/kWh is about $134.70. The utility's actual average usage is 1523 kWh/month, which produces the $205.21 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.