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

Electricity in ZIP 78582

ZIP 78582 is in Starr County, and the cheapest plan at 2,000 kWh a month on AEP Texas Central there is Ranchero Power No Contract Advantage at 8.2¢/kWh (9.5¢/kWh at 500 kWh, 8.6¢/kWh at 1,000 kWh), as listed on Power to Choose on 2026-11-14.

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Who delivers here

  • Starr County
    • AEP Texas Central · competitive delivery utility: you choose the retailer
    • Magic Valley Electric Coop Inc · co-op, municipal or outside the competitive market: no retailer choice
    • Medina Electric Coop, Inc · 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. 1. Ranchero Power · No Contract Advantage on AEP Texas Central
    8.2¢/kWh at 2,000 kWh
    9.5¢/kWh at 500 kWh, 8.6¢/kWh at 1,000 kWh · variable · 1 months
    Go to Ranchero Power
  2. 2. SOUTHERN FEDERAL POWER LLC · Variable Advantage on AEP Texas Central
    8.2¢/kWh at 2,000 kWh
    9.5¢/kWh at 500 kWh, 8.6¢/kWh at 1,000 kWh · variable · 1 months
    Go to SOUTHERN FEDERAL POWER LLC
  3. 3. INFUSE ENERGY · PTC Infusion Flex on AEP Texas Central
    8.9¢/kWh at 2,000 kWh
    10.2¢/kWh at 500 kWh, 9.3¢/kWh at 1,000 kWh · variable · 1 months
    Go to INFUSE ENERGY
  4. 4. REVOLUTION ENERGY LLC · Liberty Bell Flex on AEP Texas Central
    9.0¢/kWh at 2,000 kWh
    10.0¢/kWh at 500 kWh, 9.3¢/kWh at 1,000 kWh · variable · 1 months
    Go to REVOLUTION ENERGY LLC
  5. 5. REVOLUTION ENERGY LLC · Stars and Stripes Flex on AEP Texas Central
    9.0¢/kWh at 2,000 kWh
    10.1¢/kWh at 500 kWh, 9.3¢/kWh at 1,000 kWh · variable · 1 months
    Go to REVOLUTION ENERGY LLC

Places in ZIP 78582

The Census records Rio Grande City, El Refugio, Valle Hermoso, La Paloma Ranchettes, Ranchitos del Norte, Las Lomas, La Puerta, Mi Ranchito Estate, Sammy Martinez, La Victoria, Elias-Fela Solis, Los Barreras, El Brazil, Mikes, El Rancho Vela, Loma Linda West, West Alto Bonito, East Alto Bonito, El Chaparral, Chaparrito, Los Alvarez, Valle Vista, Garza-Salinas II, Santa Rosa (Starr County), Camargito, Amada Acres, La Carla, B and E, La Rosita, Villarreal, La Casita, Palo Blanco, La Escondida, Martinez, Gutierrez, Alto Bonito Heights, El Quiote, Hilltop (Starr County), Nina, Airport Heights, Loma Linda East (Starr County), Netos, Rancho Viejo (Starr County), Manuel Garcia, Casa Blanca, Buena Vista, Campo Verde, Los Ebanos (Starr County), El Cenizo (Starr County), Eugenio Saenz, Santel, La Esperanza, Olmito and Olmito, El Castillo, Santa Cruz, Anacua, Barrera, San Fernando, Benjamin Perez, E. Lopez, Fernando Salinas, Zarate, Tierra Dorada, Miguel Barrera, Longoria, Manuel Garcia II, Pablo Pena, Flor del Rio, El Socio, La Chuparosa, Rivereno, Olivia Lopez de Gutierrez, Quesada, Narciso Pena, El Mesquite, Rafael Pena in ZIP 78582, in Starr County. The fuller page for this ZIP is Electricity in Rio Grande City.

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.