Duke Energy Carolinas vs San Diego Gas & Electric
Duke Energy Carolinas has 57.8% cheaper electricity at 14.09¢/kWh vs 33.40¢/kWh for San Diego Gas & Electric. A typical customer saves about $173.79/month with the cheaper utility.
Detailed Comparison
| Metric | Duke Energy Carolinas | San Diego Gas & Electric | National Avg |
|---|---|---|---|
| Avg Rate | 14.09¢/kWh | 33.40¢/kWh | 17.22¢/kWh |
| Est. Monthly Bill (900 kWh) | $126.81 | $300.60 | $154.98 |
| Est. Annual Bill | $1,521.72 | $3,607.20 | $1,859.76 |
| Customers Served | 2,600,000 | 1,400,000 | — |
| Service State | North Carolina | California | — |
| Service Type | Electric | Electric & Gas | — |
Bottom Line: Duke Energy Carolinas vs San Diego Gas & Electric
Duke Energy Carolinas offers the lower electricity rate at 14.09¢/kWh — 57.8% cheaper than San Diego Gas & Electric's 33.40¢/kWh. On a typical 900 kWh/month household, that's a savings of $173.79/month or $2,085.48/year.
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Data verified March 2026 · Source: U.S. Energy Information Administration (EIA)