Electricity rates in 78056 — Mico, TX
Homes in ZIP 78056 pay about 13.0¢ per kWh (City of San Antonio (TX), Jan–Aug 2026). The Texas average is 15.9¢ and the U.S. average 18.2¢ (Aug 2026).
In Medina County, the poles and wires belong to AEP Texas Central Company (delivery only — it does not sell electricity). Retail electric providers averaged 16.7¢ per kWh for Texas homes in 2024 (EIA-861).
What a month of electricity costs
Monthly cost at the average price of 13.0¢ per kWh. Real bills add or subtract fixed charges, tiers, time-of-use and fuel adjustments.
Where ZIP 78056 is
Outlined: ZIP code area · scroll or pinch to zoomUtilities serving 78056
| Utility | Home price | Avg. bill | Customers in TX |
|---|---|---|---|
| City of San Antonio (TX) Municipal | 13.0¢ Jan–Aug 2026 | $133 | 865,914 |
| Bandera Electric Coop, Inc. Cooperative | 12.4¢ 2024 | $146 | 35,346 |
| Medina Electric Coop, Inc. Cooperative | 12.1¢ 2024 | $136 | 30,205 |
| Karnes Electric Coop Inc. Cooperative · serves Medina County | 9.9¢ 2024 | $145 | 13,222 |
| City of Hondo (TX) Municipal · serves Medina County | 13.8¢ 2024 | $295 | 3,068 |
| City of Castroville (TX) Municipal · serves Medina County | 11.9¢ 2024 | $173 | 1,712 |
Utilities are matched to this ZIP code by NREL’s ZIP–utility table and the EIA service-territory list for Medina County; county matches may serve only part of the area. Prices are each utility’s average residential revenue per kWh.
Texas price trend
Hover or tap the chart for exact monthly values. Source: EIA-861M (monthly, latest months preliminary); forecast: EIA Short-Term Energy Outlook (October 2026) for the West South Central region, which includes Arkansas, Louisiana, Oklahoma, Texas.
Averages, not a quote. Prices here are what each utility’s residential customers paid on average (revenue ÷ kWh sold, fixed charges included), as reported to the U.S. Energy Information Administration. Your own rate depends on your plan, season and usage — check your bill or your utility’s tariff.
Questions about 78056
How much does electricity cost in 78056?
About 13.0¢ per kWh for homes (City of San Antonio (TX), Jan–Aug 2026, EIA). At 900 kWh a month that is roughly $117.
Who is the electric utility for 78056?
City of San Antonio (TX), with about 865,914 residential customers in Texas; 5 other utilities also serve parts of the area.
Is electricity in TX getting more expensive?
The Texas residential average was 15.9¢ per kWh in August 2026, up 3.3% from a year earlier; the U.S. average was 18.2¢.
Can I choose my electricity supplier in TX?
In the competitive ERCOT area of Texas, yes: compare retail electric provider plans at PowerToChoose.org, the official site of the Public Utility Commission of Texas.