Solar Quotes in San Diego, CA

SDG&E customers: net billing

• New SDG&E solar customers who applied to interconnect on or after April 15, 2023 take service under the CPUC's Net Billing Tariff. Exports are credited at values that are "usually lower than the retail rate," and customers must take a specific electrification time-of-use rate (EV-TOU-5 for SDG&E). Source: https://www.cpuc.ca.gov/industries-and-topics/electrical-energy/demand-side-management/customer-generation/net-energy-metering-and-net-billing (accessed 2026-10-20)
• SDG&E customers are excluded from the export-credit adder that PG&E and SCE customers receive. Source: https://www.cpuc.ca.gov/industries-and-topics/electrical-energy/demand-side-management/customer-generation/net-energy-metering-and-net-billing (accessed 2026-10-20)
• The CPUC notes that pairing solar with batteries lets customers use or export stored energy in higher-value hours. Source: https://www.cpuc.ca.gov/industries-and-topics/electrical-energy/demand-side-management/customer-generation/net-energy-metering-and-net-billing (accessed 2026-10-20)
• SDG&E says Solar Billing Plan export credits are based on the value of kWh sent to the grid at each hour of the day, residential customers on the plan are on the EV-TOU-5 time-of-use plan (on-peak 4 p.m. to 9 p.m.), and all residential plans, including solar, pay a Base Services Charge. If a Community Choice Aggregator buys your power, check with it for import and export pricing. Source: https://www.sdge.com/solar/solar-billing-plan (accessed 2026-10-20)

A note on the federal tax credit

The federal residential clean energy credit (25D) doesn't apply to expenditures made after December 31, 2025. The IRS treats an expenditure as made when installation is completed. Source: https://www.irs.gov/newsroom/faqs-for-modification-of-sections-25c-25d-25e-30c-30d-45l-45w-and-179d-under-public-law-119-21-139-stat-72-july-4-2025-commonly-known-as-the-one-big-beautiful-bill-obbb (accessed 2026-10-20). This page isn't tax advice.

Questions to ask

1. What export-credit values and rate schedule does your estimate use?
2. Did you model the system with and without a battery?

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