What we review before a Mar Vista Powerwall proposal.

Mar Vista Powerwall planning should account for the actual utility account, panel capacity, roof and solar timing, equipment placement, EV charging plans and the circuits the homeowner wants protected. A useful estimate should separate battery equipment, backup load design, permits, incentives and exclusions before installation starts.

1. 1Confirm utility details: utility account, rate plan, solar planning assumptions, interconnection steps and current battery program requirements.
2. 2Review electrical capacity: main panel rating, breaker space, meter location, subpanels, Gateway location and any backup load panel needs.
3. 3Choose protected loads: refrigerator, internet, lighting, security, medical equipment, garage access, EV charging plans and selected outlets before sizing the battery.
4. 4Coordinate solar and roof timing: compare Mar Vista solar installation, roof replacement and the Powerwall backup planning guide before finalizing scope.

The final estimate should also explain whether the project is battery-only, solar-ready or part of a future roof, solar, EV charger or HVAC electrification plan. For Mar Vista homeowners, that matters because garage access, panel location, roof age, shading and future load growth can change the correct Powerwall design.

Mar Vista: utility rules and backup planning for Westside homes.

• →Utility account review. Verify the actual utility account before planning solar or battery storage. Current utility rules, export rules, interconnection steps and program requirements should be reviewed before the battery design is finalized.
• →Panel capacity review. Panel capacity, existing loads, equipment location and any required electrical work should be reviewed during the estimate process.
• →Selected-load or broader backup planning. Selected-load backup can prioritize critical circuits. Broader backup coverage depends on panel capacity, load profile, battery count, solar production and approved electrical design. Backup duration is subject to project-specific review.
• →Roof before solar + battery. If adding solar, roof condition should be assessed first. See our Mar Vista roofing guide for roof-before-solar planning.
• →Program and incentive review. Incentive pathways should be verified under current program rules before relying on any rebate amount or availability. Eligibility depends on funding, documentation, utility territory, project scope and current rules. Home Upgrade Specialist is not a tax advisor.
• →Enphase IQ Battery as an alternative. For Enphase microinverter solar homes, Enphase IQ Battery 5P is another option to compare. We review compatibility, backup goals, monitoring and budget.

LADWP vs SCE battery planning →  ·  LADWP solar + battery guide →

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