Which electricity utility serves ZIP 78957?

Bastrop County: City of Bastrop - (TX), Bluebonnet Electric Coop, Inc, Fayette Electric Coop, Inc, City of Smithville - (TX), Oncor Electric Delivery Company LLC; Fayette County: Bluebonnet Electric Coop, Inc, Fayette Electric Coop, Inc, City of Flatonia - (TX), Guadalupe Valley Elec Coop Inc, City of La Grange - (TX), San Bernard Electric Coop, Inc, City of Schulenburg - (TX). Which one serves a particular address is the utility's own lookup to answer; your bill names it.

OpenStreamPublicly available pricing data · United States

United States · Texas · electricity · Prices checked yesterday · 14 November 2026 · re-read daily

Electricity in ZIP 78957

ZIP 78957 is in Bastrop County and Fayette County, and the cheapest plan at 2,000 kWh a month on Oncor there is Ranchero Power No Contract Advantage at 9.5¢/kWh (10.9¢/kWh at 500 kWh, 9.9¢/kWh at 1,000 kWh), as listed on Power to Choose on 2026-11-14.

Rank at500 kWh 1,000 kWh 2,000 kWh

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Who delivers here

Bastrop County
- City of Bastrop - (TX) · co-op, municipal or outside the competitive market: no retailer choice
- Bluebonnet Electric Coop, Inc · co-op, municipal or outside the competitive market: no retailer choice
- Fayette Electric Coop, Inc · co-op, municipal or outside the competitive market: no retailer choice
- City of Smithville - (TX) · co-op, municipal or outside the competitive market: no retailer choice
- Oncor · competitive delivery utility: you choose the retailer
Fayette County
- Bluebonnet Electric Coop, Inc · co-op, municipal or outside the competitive market: no retailer choice
- Fayette Electric Coop, Inc · co-op, municipal or outside the competitive market: no retailer choice
- City of Flatonia - (TX) · co-op, municipal or outside the competitive market: no retailer choice
- Guadalupe Valley Elec Coop Inc · co-op, municipal or outside the competitive market: no retailer choice
- City of La Grange - (TX) · co-op, municipal or outside the competitive market: no retailer choice
- San Bernard Electric Coop, Inc · co-op, municipal or outside the competitive market: no retailer choice
- City of Schulenburg - (TX) · co-op, municipal or outside the competitive market: no retailer choice

Counties from the Census 2020 ZCTA-to-county file (largest land share first); utilities from EIA-861 2024 Service Territory, both read 2026-11-06.

Cheapest at 2,000 kWh on each zone here

1. Ranchero Power · No Contract Advantage on Oncor
9.5¢/kWh at 2,000 kWh
10.9¢/kWh at 500 kWh, 9.9¢/kWh at 1,000 kWh · variable · 1 months
Go to Ranchero Power
2. SOUTHERN FEDERAL POWER LLC · Variable Advantage on Oncor
9.5¢/kWh at 2,000 kWh
10.9¢/kWh at 500 kWh, 9.9¢/kWh at 1,000 kWh · variable · 1 months
Go to SOUTHERN FEDERAL POWER LLC
3. SMARTENERGY HOLDINGS LLC · SmartGreen 3 on Oncor
9.5¢/kWh at 2,000 kWh
10.9¢/kWh at 500 kWh, 10.0¢/kWh at 1,000 kWh · fixed · 3 months
Go to SMARTENERGY HOLDINGS LLC
4. JUST ENERGY · Sustainable Days Bundle - 3 on Oncor
9.6¢/kWh at 2,000 kWh
10.9¢/kWh at 500 kWh, 10.0¢/kWh at 1,000 kWh · fixed · 3 months
Go to JUST ENERGY
5. JUST ENERGY · Sustainable Living Bundle - 3 on Oncor
9.6¢/kWh at 2,000 kWh
10.8¢/kWh at 500 kWh, 10.0¢/kWh at 1,000 kWh · fixed · 3 months
Go to JUST ENERGY

Places in ZIP 78957

The Census records Rosanky, Smithville in ZIP 78957, in Bastrop County and Fayette County.

Rosanky Smithville Bastrop County Fayette County Every plan on Oncor

Another ZIP

Which counties it is in and which delivery utilities serve them.