If you live in Carlsbad, Del Mar, Escondido, Solana Beach, San Marcos, Oceanside, or Vista, Clean Energy Alliance's Solar Plus program is one of the most accessible offers in the country: solar + battery (or battery-only) with zero upfront cost and no credit check. Administered by CEA with Participate.Energy; Tesla designs, equips, and services the systems; payments land right on your utility bill; and all equipment replacements are covered for the minimum 25-year term.
The sleeper play I keep telling people about: battery-only for $0 down. If you already have solar, a battery lets you stop selling cheap at noon and buying expensive at 7pm — and maximize those nighttime sell-back credits. CEA also runs income-qualified programs (Battery Bonus Connect and Solar Plus Connect, funded through SGIP). Details: thecleanenergyalliance.org/solar-plus.