San Diego Community Power’s Solar Battery Savings rebates use funding steps, so a homeowner comparing solar-plus-battery PPAs should ask which step supports the incentive in each proposal. A rate shown in an estimate is not proof that funding has been reserved for that project.
This matters for eligible SDCP customers considering a new solar-and-battery installation or adding a new battery to existing solar. A well-documented incentive can help make a suitable project more affordable while keeping the payment comparison realistic.
How do the funding steps work?
Section 3.1 of the SDCP program manual describes three funding steps, each with a 30 megawatt-hour capacity target. Rebates decrease as steps fill, and reservations are first come, first served; funding within a particular step is not guaranteed.
The manual says rates for Steps 2 and 3 will be determined once 75% of the preceding step—22.5 MWh—has been reached. That threshold is for determining later rebate amounts, not a homeowner’s battery size or a published remaining-budget balance. The manual also describes advance communication of an expected transition date at least two weeks beforehand.
These provisions explain the process. They do not establish that a transition has occurred today or that a particular amount of capacity remains available. Sources were reviewed November 10, 2026.
Ask for the step behind your quote
The current program page lists rebate rates by customer category and whether the project adds storage to existing solar or installs a new solar-and-battery system. It directs an approved contractor to apply before installation and reserve the rebate.
Our suggested proposal checklist is:
- Identify the funding step and per-kWh rebate assumption used in the estimate.
- Ask the contractor to confirm current availability with SDCP before treating that estimate as committed funding.
- Keep the written project approval and reserved incentive amount with the proposal.
- Ask how the PPA terms would change if the eventual approved incentive differs from the estimate.
For a hypothetical comparison, suppose two proposals use the same equipment but different expected rebate amounts. Do not assume the larger estimate makes its PPA cheaper. Ask each provider to show the approved or assumed incentive, who receives it, and the resulting household payments. Compare those payments over the same period without subtracting a contractor-paid rebate again as household cash.
Our guide to rebate reservation and payment explains the separate installation and payment milestones.
Confirm your account and project eligibility
SDCP provides generation service in its member communities, while SDG&E handles delivery, billing and grid-outage response. Check the generation provider on your SDG&E statement; a San Diego County address alone does not establish SDCP enrollment.
The program page lists residential SDCP service, a same-address single-family home, solar-only battery charging and restrictions on overlapping programs. Approved equipment, contractor review and project approval still matter. The manual permits third-party ownership with the system owner’s documented authorization; a PPA alone does not establish eligibility.
Keep the PPA benefits and costs visible
A qualifying no-upfront solar-plus-battery PPA can help eligible homeowners access equipment without an upfront system purchase. Review provider ownership, ongoing electricity payments, any escalator, contract term, battery fees, maintenance, replacement and transfer provisions, alongside remaining utility charges. The CPUC solar guide is a useful review resource. Incentives do not make electricity free or guarantee savings.
Backup requires a separate equipment and load review. Ordinary grid-tied solar alone generally does not provide outage power. Available charge, supported circuits, power limits and demand determine battery coverage; solar recharge requires compatible equipment and suitable conditions. Tesla’s outage guidance illustrates those limits.
Discuss your proposal with West Coast Alternatives, bringing the incentive assumption and any reservation confirmation. WCA is not affiliated with or endorsed by SDCP.