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

Electricity in ZIP 79121

ZIP 79121 is in Randall County and Potter County, where EIA-861 records only Greenbelt Electric Coop, Inc, Southwestern Public Service Co, Swisher Electric Coop, Inc and Rita Blanca Electric Coop, Inc: none is a delivery utility Power to Choose ranks plans for, so there is no retail plan to rank here.

Rank at500 kWh1,000 kWh2,000 kWh

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Who delivers here

  • Randall County
    • Greenbelt Electric Coop, Inc · co-op, municipal or outside the competitive market: no retailer choice
    • Southwestern Public Service Co · co-op, municipal or outside the competitive market: no retailer choice
    • Swisher Electric Coop, Inc · co-op, municipal or outside the competitive market: no retailer choice
  • Potter County
    • Rita Blanca Electric Coop, Inc · co-op, municipal or outside the competitive market: no retailer choice
    • Southwestern Public Service Co · 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 1,000 kWh on each zone here

No competitive delivery utility is recorded in Randall County and Potter County, so there is no retail choice to rank.

Places in ZIP 79121

The Census records Amarillo in ZIP 79121, in Randall County and Potter County. The fuller page for this ZIP is Electricity in Amarillo.

AmarilloRandall CountyPotter County

Another ZIP

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

Says which counties the ZIP is in and which delivery utilities serve them, from the Census and EIA-861. Which one serves your address is on your bill.