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Oncor / TXU Energy vs Duke Energy Progress NC

Duke Energy Progress NC has 8.4% cheaper electricity at 13.80¢/kWh vs 15.06¢/kWh for Oncor / TXU Energy. A typical customer saves about $11.34/month with the cheaper utility.

Oncor / TXU Energy

15.06¢

per kWh

3,600,000 customers

Texas

Duke Energy Progress NC

13.80¢

per kWh

1,700,000 customers

North Carolina

Detailed Comparison

MetricOncor / TXU EnergyDuke Energy Progress NCNational Avg
Avg Rate15.06¢/kWh13.80¢/kWh17.22¢/kWh
Est. Monthly Bill (900 kWh)$135.54$124.20$154.98
Est. Annual Bill$1,626.48$1,490.40$1,859.76
Customers Served3,600,0001,700,000
Service StateTexasNorth Carolina
Service TypeElectricElectric

Bottom Line: Oncor / TXU Energy vs Duke Energy Progress NC

Duke Energy Progress NC offers the lower electricity rate at 13.80¢/kWh — 8.4% cheaper than Oncor / TXU Energy's 15.06¢/kWh. On a typical 900 kWh/month household, that's a savings of $11.34/month or $136.08/year.

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Data verified March 2026 · Source: U.S. Energy Information Administration (EIA)