PowerBillPeek

Oncor / TXU Energy vs San Diego Gas & Electric

Oncor / TXU Energy has 54.9% cheaper electricity at 15.06¢/kWh vs 33.40¢/kWh for San Diego Gas & Electric. A typical customer saves about $165.06/month with the cheaper utility.

Oncor / TXU Energy

15.06¢

per kWh

3,600,000 customers

Texas

San Diego Gas & Electric

33.40¢

per kWh

1,400,000 customers

California

Detailed Comparison

MetricOncor / TXU EnergySan Diego Gas & ElectricNational Avg
Avg Rate15.06¢/kWh33.40¢/kWh17.22¢/kWh
Est. Monthly Bill (900 kWh)$135.54$300.60$154.98
Est. Annual Bill$1,626.48$3,607.20$1,859.76
Customers Served3,600,0001,400,000
Service StateTexasCalifornia
Service TypeElectricElectric & Gas

Bottom Line: Oncor / TXU Energy vs San Diego Gas & Electric

Oncor / TXU Energy offers the lower electricity rate at 15.06¢/kWh — 54.9% cheaper than San Diego Gas & Electric's 33.40¢/kWh. On a typical 900 kWh/month household, that's a savings of $165.06/month or $1,980.72/year.

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