Los Angeles County
Home battery storage in Santa Monica, CA
Tesla Powerwall, Enphase, and FranklinWH battery systems for Santa Monica homes — outage backup, NEM 3.0 economics, and the owner's personal design review.
Home battery storage in Santa Monica is mostly an economics play, with outage protection as the bonus. Because Santa Monica is SCE territory under NEM 3.0, exported solar earns only about a quarter of what grid power costs — so without a battery you're selling cheap by day and buying expensive at night. A battery flips that: you store your midday production and self-consume during the 4-9 PM peak, which is what brings a coastal payback into single digits. It also keeps your home running during the grid outages that hit the Westside, and it pairs cleanly with EV charging, which is common here. We size the system around your real SCE load profile and how your household actually uses power across the day.
Why Santa Monica homeowners choose Helios for storage.
We design and install across Santa Monica — from Ocean Park, Sunset Park, and North of Montana, near the Santa Monica Pier, Third Street Promenade, and Palisades Park.
7+ years across SoCal
Hundreds of installs in 60+ cities — we know SCE, your permit office, and local outage patterns.
Owner signs off on every design
Taylor reviews your backup-loads plan and battery sizing before anything is ordered.
4.9★ from 152+ homeowners
10-year workmanship guarantee on every install, battery included.
We install four battery platforms.
Each has a sweet spot. We tell you straight which one fits your Santa Monica home — not which one is on the truck this week.

Tesla Powerwall 3
Built-in solar inverter, whole-home backup capable, stackable to 4 units.

Enphase IQ Battery 10C
Modular 10 kWh LFP battery with embedded IQ8B microinverters and clean AC-coupled retrofits onto existing Enphase solar.

FranklinWH aPower 2
Largest single-unit capacity with a native generator port for deep backup.

Lunar System
Modular 5 kWh blocks in one tower with AI-driven time-of-use optimization.
How we design your Santa Monica battery.
- 1
How much do you use?
We pull your last 12 months of SCE data and build an hourly load profile — we size for your real life, not a generic average.
- 2
What matters in an outage?
We design the backup-loads panel around your definition of "good enough" during a shutoff — fridge, internet, well pump, and AC if you need it.
- 3
Single battery or stackable?
We model one unit vs. two and show you the real runtime difference for your home and outage exposure.
- 4
Install & commissioning
We pull every Santa Monica permit, handle Southern California Edison paperwork, and verify the system before we leave. Most installs finish in 1-2 days.
Our promise: real outage-runtime modeling and every cost itemized before you decide, with a 10-year workmanship guarantee on every Santa Monica install.
Santa Monica battery questions, answered.
- How much does a home battery cost in Santa Monica?
- A single Tesla Powerwall 3 install typically runs $13,500-$17,500 before incentives; modular Enphase IQ configurations can start lower. Through prepaid-lease financing the federal commercial credit can be passed through on the battery (homeowners no longer claim it directly), and we check whether any remaining SGIP resiliency tier fits your address before quoting.
- Can I add a battery to my existing Santa Monica solar system?
- Usually yes. AC-coupled batteries like the Enphase IQ line retrofit onto most existing solar systems without redoing the array. We assess your current inverter and panels and tell you whether a retrofit or a paired system is the better value.
- Will a battery cover EV charging and evening use?
- It can be sized to. Many Santa Monica homes pair a battery with a Level 2 EV charger, drawing on stored solar in the evening instead of peak grid power. We model your combined home-plus-EV load so the battery is sized for how you actually live, not a generic spec.
Get a Santa Monica battery quote.
Free design with real outage-runtime modeling, NEM 3.0 economics, and every line-item cost. The owner reviews every design before it's sent.