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Serving the San Francisco Bay Area and Northern California | Diagnosis-First Solar Services

ANSWER-FIRST PROMISE

Repairs, Retrofits &
System Upgrades

For homeowners whose solar company is no longer around—or whose system isn't producing like it should. We diagnose first, we don't "guess and replace."

Repairs & Retrofits

Inverter replacement, monitoring restoration, and orphan systems.

Main Panel Upgrades

100A to 200A upgrades for EVs, heat pumps, and electrification.

Battery Backup

Backup power for homes with existing solar systems.

What Makes This Different

Solar repairs are often expensive when handled blindly. Our approach is deliberately conservative.

1
Diagnostics First

We confirm what's failing before proposing replacements. We separate equipment issues from installation issues.

2
Minimum Effective Scope

We recommend targeted fixes—not a full replacement unless it's truly justified by the evidence.

3
Restore Visibility

We help restore monitoring access so you can verify the repair solved the problem.

Repairs & Retrofits

Diagnose & Repair Existing Solar

Yes—we can diagnose and repair many existing home solar systems, even if we didn't install them. If your original installer went out of business or your monitoring is offline, we restore safe, reliable production.

When to Call Us

• Installer Gone: Your solar company went out of business.
• Inverter Failure: Inverter lights are flashing red or off.
• No Data: Monitoring is unavailable or incomplete.

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Electrical Infrastructure

Main Service Panel Upgrades

If your home has a 100-amp electrical panel, it may not safely support today's electrification needs. We upgrade to 200-amp service to enable EV charging, battery storage, and heat pumps.

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Utility Coordination: We manage permits and inspections with the local authority.

Future-Ready: Sizing for real usage to avoid overbuilding or underbuilding

Battery Backup Systems

Solar alone does not power a home during a blackout. We install battery backup for existing solar installations, focusing on safety, compatibility, and practicality.

Essential Loads

Power critical circuits: Fridge, internet, lights, and medical devices.

MOST COMMON
Hybrid Backup

Balance between comfort and essentials. Kitchen, home office, and common areas.

Whole Home

Full backup resilience. Live as if the grid never went down.

See what a lower electricity rate
could look like for your home

If your home qualifies, solar + storage can reduce what you pay for electricity from day one without upfront cost and without taking on maintenance responsibility.

No obligation. No pressure. Your information stays private.

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