Los Angeles County

Home battery storage in Topanga, CA

Tesla Powerwall, Enphase, and FranklinWH battery systems for Topanga homes — outage backup, NEM 3.0 economics, and the owner's personal design review.

Your utility
SCE
NEM 3.0
Backup
Automatic
No fuel, no noise
Fire / PSPS zone
Yes
Backup strongly advised
Reviews
4.9★
128+ homeowners

Home battery storage in Topanga is close to a necessity. The entire canyon sits in a High Fire Threat District, and SCE Public Safety Power Shutoffs leave Fernwood, Old Topanga, and the Saddle Peak ridgelines without grid power for hours or days during Santa Ana wind events. With the canyon's narrow access roads, waiting out an outage can be genuinely isolating. A battery keeps your fridge, internet, well pump, and critical systems running automatically, with no generator to fuel or maintain. It also earns its keep daily: under SCE's NEM 3.0, storing your midday solar for the 4-9 PM peak is what makes the economics work. Given Topanga's off-grid-leaning mindset, we often size for near-total self-consumption around your real canyon loads.

Why Topanga homeowners choose Helios for storage.

We design and install across Topanga — from Fernwood, Top o Topanga, and Old Topanga, near Topanga State Park, the Theatricum Botanicum, and Saddle Peak.

7+ years across SoCal

Hundreds of installs in 40+ cities — we know SCE, your permit office, and local outage patterns.

Owner signs off on every design

Tim reviews your backup-loads plan and battery sizing before anything is ordered.

4.9★ from 128+ 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 Topanga home — not which one is on the truck this week.

Tesla Powerwall 3 home battery installed on a Southern California home

Tesla Powerwall 3

Capacity
13.5 kWh
Power
11.5 kW

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

Enphase IQ Battery 10C home battery installed on a Southern California home

Enphase IQ Battery 10C

Capacity
10 kWh / unit
Power
7.08 kW

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

FranklinWH aPower 2 home battery installed on a Southern California home

FranklinWH aPower 2

Capacity
15 kWh
Power
10 kW

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

Lunar System home battery installed on a Southern California home

Lunar System

Capacity
15–30 kWh
Power
9.6 kW

Modular 5 kWh blocks in one tower with AI-driven time-of-use optimization.

How we design your Topanga battery.

  1. 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. 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. 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. 4

    Install & commissioning

    We pull every Topanga 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 Topanga install.

What SoCal homeowners say.

Verified Google reviews — 4.9★ from 128+ Southern California homeowners.

Tim and his team were transparent from the first call. We got three quotes — Helios was the only one that itemized everything. The install was clean, on time, and the Powerwall has already paid for itself in peace of mind during the last PSPS event.
Jennifer M. · Pasadena · Solar + battery
We're in the High Fire Threat District and the outages were getting brutal. Helios designed a system around our specific backup needs (fridge, internet, well pump, A/C). When the next PSPS hit, we didn't even notice until our neighbors complained.
David R. · Thousand Oaks · Solar + battery
I interviewed five solar companies. Helios was the only one that pulled my actual SCE usage data instead of guessing. The savings projection they gave me has been within 5% of reality every month since.
Karen L. · Santa Monica · Solar only

Topanga battery questions, answered.

How much does a home battery cost in Topanga?
A single Tesla Powerwall 3 install typically runs $13,500-$17,500 before incentives; many Topanga homes choose two units for true canyon resilience. Through prepaid-lease financing the federal commercial credit can be passed through on the battery (homeowners no longer claim a residential credit directly), and any remaining SGIP rebate is limited to income-qualified fire-zone resiliency tiers that many Topanga addresses may qualify for.
How long will a battery last during a Topanga PSPS shutoff?
With critical loads, fridge, internet, lights, and well pump, a single Powerwall 3 typically runs 2-3 days, and a well-sized solar array recharges it each day so it can carry a multi-day outage indefinitely. That daily solar recharge is exactly why a battery beats a generator in a canyon prone to long shutoffs.
Does the SGIP fire-zone rebate apply in Topanga?
Yes, at a meaningful tier. Essentially all of Topanga is in a High Fire Threat District, and SGIP pays its larger battery rebates for those addresses and for medically vulnerable households. The program is waitlisted and limited to resiliency tiers, so we verify your exact address against the active SGIP tiers before quoting.

Get a Topanga 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.