Solar can still make sense in San Diego, but the result depends heavily on project price, daytime usage, roof suitability, financing and how long you expect to own the home.
Stronger situations
- High or growing annual electricity usage.
- A roof with useful unshaded area and adequate remaining life.
- Meaningful daytime loads or a well-designed battery strategy.
- A realistic cash price and long ownership horizon.
Weaker situations
- Low electricity use.
- A roof likely to need replacement soon.
- Heavy reliance on low-value exports.
- High financing costs hidden behind a monthly payment.
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