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ComEd vs San Diego Gas & Electric

ComEd has 51.3% cheaper electricity at 16.27¢/kWh vs 33.40¢/kWh for San Diego Gas & Electric. A typical customer saves about $154.17/month with the cheaper utility.

ComEd

16.27¢

per kWh

4,000,000 customers

Illinois

San Diego Gas & Electric

33.40¢

per kWh

1,400,000 customers

California

Detailed Comparison

MetricComEdSan Diego Gas & ElectricNational Avg
Avg Rate16.27¢/kWh33.40¢/kWh17.22¢/kWh
Est. Monthly Bill (900 kWh)$146.43$300.60$154.98
Est. Annual Bill$1,757.16$3,607.20$1,859.76
Customers Served4,000,0001,400,000
Service StateIllinoisCalifornia
Service TypeElectricElectric & Gas

Bottom Line: ComEd vs San Diego Gas & Electric

ComEd offers the lower electricity rate at 16.27¢/kWh — 51.3% cheaper than San Diego Gas & Electric's 33.40¢/kWh. On a typical 900 kWh/month household, that's a savings of $154.17/month or $1,850.04/year.

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