City of Castroville - (TX)
Municipal electric utility · Texas · #2,227 of 3,199 U.S. utilities by customers · EIA utility #3168
City of Castroville - (TX) is a municipal electric utility serving 1,585 customers in Texas. In 2025 it sold 31.4 gigawatt-hours of electricity for $3.46M in revenue, an average realized rate of 11.02¢ per kWh across all customer classes and — per kWh for residential customers. Its reported service territory covers 1 counties.
Customers, sales and rates by customer class (2025)
| Class | Customers | Sales (GWh) | Revenue | Avg realized rate | Share of sales |
|---|---|---|---|---|---|
| Total | 1,585 | 31.4 | $3.46M | 11.02¢ |
Average realized rate = revenue divided by sales as reported on EIA Form 861. It blends fixed charges, demand charges and riders into one per-kWh figure; it is not the utility's tariff rate. Estimated residential bill assumes the average residential customer's actual 2025 usage (— kWh/month).
This utility files the EIA-861S short form, which reports totals only - no breakdown by customer class is published for it.
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 1,569 | 27.3 | $3.64M | — |
| 2022 | 1,581 | 30.4 | $3.67M | — |
| 2023 | 1,708 | 29.3 | $3.62M | — |
| 2024 | 1,712 | 29.7 | $3.55M | — |
| 2025 | 1,585 | 31.4 | $3.46M | — |
Meters & rooftop solar (2025)
Smart (AMI) meters: 100.0% of 1,642 meters
Counties served
Medina, TX
Other large utilities in Texas
- TXU Energy Retail Co, LLC - 1,867,539 customers, residential 19.36¢
- Reliant Energy Retail Services - 1,646,366 customers, residential 18.38¢
- City of San Antonio - (TX) - 986,641 customers, residential 12.40¢
- Austin Energy - 577,889 customers, residential 13.14¢
- Entergy Texas Inc. - 531,824 customers, residential 13.89¢
- Pedernales Electric Coop, Inc - 474,954 customers, residential 12.75¢
- Just Energy - 474,201 customers, residential 16.82¢
- El Paso Electric Co - 470,748 customers, residential 13.01¢
Source: U.S. Energy Information Administration, Form EIA-861 2025 (filed by the utility; figures as published). Utility #3168 in the EIA frame.