Home Battery Storage for California and Arizona Homes

We quote battery cost per home rather than publish a range, because the honest answer swings widely depending on how much of your house you want backed up, how much capacity you need, and whether your electrical panel needs work first. A range published on a website would either be too wide to be useful or too narrow to be true for you. What we will commit to is a complete number with nothing excluded, including permits, inspection, and interconnection, plus a walk-through of every financing path so you can see what the monthly payment actually looks like. Request a quote, and you will have real figures for your address.

Not for homeowner-purchased systems. The Residential Clean Energy Credit under Section 25D ended for property placed in service after December 31, 2025. If you installed in 2025 you can still claim it on that year’s return. Third-party owned systems such as leases and PPAs may still access a federal credit, but the owner claims it, not you. We are not tax advisors, so confirm your situation with your CPA.

Yes. Our loan option supports battery-only financing, so homeowners who already have solar can add storage without bundling it into a whole new system. We will walk you through every payment structure we offer and show you what each one looks like month to month before you commit to anything.

It depends on the battery and your loads. A Tesla Powerwall 3 delivers 11.5 kW continuous, which is enough for whole-home backup in many houses including air conditioning. Modular systems are often configured for essential circuits first and expanded later. During the site visit we measure your actual loads and tell you what a given configuration will and will not carry.

Manufacturer warranties in this category generally run 10 years or more, and the lithium iron phosphate batteries we install are built for a longer service life than conventional lithium-ion. Capacity declines gradually over time rather than failing outright. We will show you the exact warranty terms for whichever battery ends up on your proposal, and our monitoring service tracks performance so you are not guessing about system health.

A 13.5 kWh battery covering essential loads typically runs a home overnight and often longer. In a multi-day outage your panels recharge the battery each day, which is why solar plus storage outlasts a generator with no fuel run. Runtime depends entirely on what you are powering, so we model it against your utility usage data.

Yes. We retrofit storage onto existing arrays from any installer and most inverter brands. Compatibility depends on your current inverter, so we start with a system health check. See upgrades and additions for how retrofits work.

Not automatically. Systems interconnected before April 15, 2023 are grandfathered on NEM 2.0 for 20 years, and adding storage within certain limits generally preserves that status. The rules turn on your specific interconnection agreement and how much capacity you add, so we verify with your utility before filing anything.

Modern residential batteries are designed for wall mounting in garages and along exterior walls. Lithium iron phosphate units from Enphase and NeoVolta use chemistry that is highly resistant to thermal runaway. Every install is permitted, inspected and code-compliant with your local jurisdiction, and we handle that paperwork.