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Oncor / TXU Energy vs Dominion Energy Virginia

Dominion Energy Virginia has 2.8% cheaper electricity at 14.64¢/kWh vs 15.06¢/kWh for Oncor / TXU Energy. A typical customer saves about $3.78/month with the cheaper utility.

Oncor / TXU Energy

15.06¢

per kWh

3,600,000 customers

Texas

Dominion Energy Virginia

14.64¢

per kWh

2,700,000 customers

Virginia

Detailed Comparison

MetricOncor / TXU EnergyDominion Energy VirginiaNational Avg
Avg Rate15.06¢/kWh14.64¢/kWh17.22¢/kWh
Est. Monthly Bill (900 kWh)$135.54$131.76$154.98
Est. Annual Bill$1,626.48$1,581.12$1,859.76
Customers Served3,600,0002,700,000
Service StateTexasVirginia
Service TypeElectricElectric

Bottom Line: Oncor / TXU Energy vs Dominion Energy Virginia

Dominion Energy Virginia offers the lower electricity rate at 14.64¢/kWh — 2.8% cheaper than Oncor / TXU Energy's 15.06¢/kWh. On a typical 900 kWh/month household, that's a savings of $3.78/month or $45.36/year.

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