Battery Backup Systems

Battery backup systems keep your home running when the grid goes down — quietly, automatically, and without the hassle of fuel or noise. Whether paired with solar or standalone, we build systems that deliver reliable, intelligent power. Our team handles everything including design, planning, permitting, PG&E coordination, and app training.

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Outdoor patio area of a house with string lights, modern furniture, and solar panels on the roof during twilight.

Smart Backup for Custom Homes

Alden Electric designs and installs battery backup systems tailored to your home’s energy needs and long-term goals. Whether you need whole-home or essential-load coverage, our systems deliver silent, instant power during outages — with or without solar. Every install is fully code-compliant, builder-coordinated, and cleanly integrated into your home.

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Power on Your Terms.

Reduce your PG&E bill by storing excess solar energy and using it during the expensive evening peak. More independence, more efficiency. A modern battery backup system is more than emergency protection — it is a smart energy strategy that gives you control over when and how you use power.

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A house with solar panels on its roof, a red electric car parked in the driveway, and a small landscaped yard with desert plants.

Exterior view of a modern house with large windows and a patio, illuminated during dusk.

Certified Tesla Powerwall Installer

Alden Electric is a Tesla Powerwall Certified Installer, providing advanced battery backup solutions that keep your home running even when the grid goes down. Powerwall activates automatically, stores energy from solar or the grid.

Clean, quiet backup power
Works with or without a solar system
Smart load management and monitoring
Sleek, low-profile design with wall or ground mounting

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A generator by Kohler installed on a concrete pad next to a brick house wall, with green grass and flower bushes nearby.

Kohler Generators for Extended Backup

For homes with higher energy demands or long-duration outages, we also install Kohler standby generators. These fuel-powered systems can be paired with Powerwall to create a hybrid backup solution — combining silent short-term storage with long-term generator support.

Whole-home or critical-load generator options
Automatic switchover during outages
Natural gas or propane configurations

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How much does a battery backup system cost?

$15,000

Two 5kWh Enphase Batteries

$27,000

One 13.5 kWh Tesla Powerwall Battery with one 13.5 kWh Expansion Pack

What Affects Pricing?

Number of Batteries

More batteries will cost more. Less batteries will be more affordable.

Battery Location

Garage or next to driveways can be more expensive because of required safety bollards.

Battery Brand

Each brand has different pricing structures with different components.

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We Handle Every Detail for You

Design

Our electricians design and engineer your battery backup system .

Permitting

Our team will handle engineering, permitting, and all permitting fees.

PG&E Coordination

We will communicate with PG&E so you don’t have to.

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Smart Integration with Solar and Generators

Full-System Compatibility for Seamless Power

Your battery doesn’t operate in isolation — it’s part of a complete power system. We make sure your backup battery communicates with solar panels, inverters, and generators for maximum efficiency and reliability.