Need service for a legacy SunPower system? Start with the equipment on your home.
The original SunPower Corporation entered bankruptcy in 2024, while a different company—Complete Solaria—acquired selected assets and later became SunPower Inc. MK3 helps homeowners diagnose qualifying legacy systems without implying affiliation or warranty takeover.
Focus on the symptom, not just the logo on the paperwork.
A legacy SunPower system can include different combinations of panels, inverters, monitoring hardware, batteries and third-party equipment. The first job is identifying what is installed and what is actually failing.
A practical path for qualifying legacy systems.
- Production and full-system diagnostics
- Supported inverter and electrical troubleshooting
- Compatible monitoring reconnection
- Panel, optimizer, microinverter and wiring assessment
- Battery diagnostics for supported equipment
- Repair/restoration recommendations based on findings
Solar repair FAQs
Straight answers, with warranty and repairability determined by the actual equipment and applicable terms.
SunPower Corporation filed for bankruptcy on August 5, 2024. Complete Solaria acquired selected assets and the SunPower brand in a transaction that closed September 30, 2024, and later became SunPower Inc.
The current SunPower states that its acquisition did not include interests in customer systems, batteries, leases, or PPAs installed before September 30, 2024. Your service path therefore depends on the original arrangement, equipment, financing, and applicable warranties.
MK3 can diagnose monitoring and connectivity issues and restore compatible access where possible. The exact path depends on the equipment and platform access.
No. Warranty validity, transferability, and payment are controlled by the applicable manufacturer or contract terms. MK3 can diagnose the equipment but cannot guarantee coverage.
Need a clear service path for a legacy SunPower system?
Send the equipment brand, ZIP code, symptoms, monitoring screenshots, and any error code you can see.
Tell us what your solar system is doing.
Share the basics about the system, the issue you are seeing, and where service is needed. MK3 will use those details to route your request.