Electrical · Property Services

Generator & Battery Backup Hookup

Connecting a generator or battery backup system to your home's electrical panel involves a transfer switch and utility-interconnection wiring that has to be done exactly right for safety — a bad hookup can backfeed the grid. NorTech connects you with a verified C-10 electrician for the full interconnection, up-front after a sizing consultation.

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Generator and battery backup hookup across the Bay Area

Whether it's a portable generator for wildfire-season outages or a whole-home battery backup system, the interconnection to your panel is the part that has to be done by a licensed electrician — it determines whether the system actually isolates from the grid during an outage, which is a real safety requirement, not a formality. NorTech verifies an active C-10 license before a provider can be booked for this job.

Portable vs. whole-home backup systems

A portable generator interconnection is a simpler transfer switch setup for essential circuits, while a whole-home battery system often integrates with existing solar and covers the entire panel. Your electrician can advise on which fits your backup power goals and budget during the sizing consultation.

Planning around Bay Area outage patterns

Wildfire-season public safety power shutoffs tend to last longer than typical storm outages, which changes how much backup capacity actually makes sense for your household. Your electrician can factor realistic outage duration into the sizing conversation rather than planning around a worst-case single evening.

When to book generator & battery backup hookup

You've purchased a generator or battery backup system that isn't yet interconnected

Wildfire-season power shutoffs have made backup power a priority

An existing transfer switch is outdated or was never inspected/permitted

You're adding battery backup alongside an existing solar installation

A home inspection flagged an unpermitted or unsafe backup-power hookup

90-Day Warranty

Backed by your provider’s warranty. If covered work fails, your provider makes it right — free.

Looking for a licensed electrician? Bigger jobs and anything that needs a permit go to a verified California C-10 contractor. See licensed electrician services.

Frequently asked

Generator & Battery Backup Hookup — common questions

A bad interconnection can backfeed power onto grid lines during an outage, which is a real safety hazard to utility workers. It requires a licensed electrician and a permit, regardless of price.

Yes — permit and inspection handling is included in the scope.

A sizing consultation is included to confirm the transfer switch and wiring match your generator or battery system's actual output.

A workmanship warranty covers the interconnection: the transfer switch, the wiring from the generator or battery, and the permitted work. If any of it is not right inside the warranty window, it is made right at no charge. The generator or battery itself follows its manufacturer's warranty.

This service covers the electrical interconnection for a system you provide or have already purchased.

Yes — battery backup integration with existing solar is a common configuration; mention your existing solar setup when booking.

Didn’t find your answer? Nova, our AI assistant, is in the chat bubble in the bottom-right corner and can help anytime.

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