SDG&E is an investor-owned utility serving about 1,378,465 homes in California. Here's what its rates and export rules mean for solar: for a typical customer, solar is worth it.
Average price (2026 est.)
45.1¢37% above California average
Typical bill
$133296 kWh a month
Exports credited
3.7¢Net billing (reduced export credit)
Typical payback
11.3 yrs3 kW, cash
Export rules for SDG&E customers
Net billing (reduced export credit) — about 3.7¢ per exported kWh, instantaneous netting.
NBT; avg ~3.7 cents, no adder for 2026 applicants. Highest retail rates in the state.
Net Billing Tariff (Solar Billing Plan): hourly ACC-based export rates by month, hour, weekday vs weekend/holiday (generation + delivery components; CCA customers get delivery from SDG&E and generation credit from CCA), 9-year lock-in by application year (NBT26). No ACC Plus adder for SDG&E customers.
NBT; avg ~3.7 cents, no adder for 2026 applicants. Highest retail rates in the state. Exported power is credited at about 3.7¢ per kWh.
How much does electricity cost with SDG&E?
Residential customers paid an average of 42.8¢ per kWh in 2025 (EIA), about 45.1¢ adjusted to 2026. The typical home uses 296 kWh a month, a bill of about $133.
Is solar worth it with SDG&E?
For a typical customer, solar is worth it: a 3 kW system costing about $10,700 pays back in about 11.3 years, with $20,077 net over 25 years.
How many SDG&E customers have solar?
About 340,500 homes had net-metered solar at the end of 2025, roughly 24.7% of residential customers (EIA-861).
Legal name: San Diego Gas & Electric Co (EIA ID 16609). Data: EIA-861 2025 and monthly data through 2026, state policy research October 2026, utility tariff sheets.