Archive.
Products we have retired from the active benchmark: discontinued lines, exited brands, superseded generations. Each is frozen at its final score and pulled from the live leaderboards, but kept here (and reachable at its own scorecard) for owners weighing a warranty, and for the record.
Glass
Meyer Burger · Specialist & Local
Very good
Manufacturer production cessation. Meyer Burger manufactured the Glass family at Freiberg, where module production closed in the first quarter of 2024. Its later US module operation also shut, German production companies entered insolvency proceedings, and US module-production equipment was sold. The record remains available for installed-product and warranty-history research.
Retired April 2024· Archived 6 August 2026· Frozen at panel v2.10.0
EverVolt HK2
Panasonic · Premium Performance
Very good
Manufacturer category exit. Panasonic Corporation of North America states that it discontinued its solar and battery storage business line. Existing customer support continues and Panasonic states that applicable warranties will be honoured.
Retired April 2025· Archived 5 July 2026· Frozen at panel v2.5.0
EVERVOLT Gen 3 18
Panasonic · Performance & Value
Very good
Manufacturer category exit. Panasonic Corporation of North America states that it discontinued its solar and battery storage business line. EVERVOLT Gen 3 remains an installed-base record with continuing product support and applicable warranty coverage.
Retired April 2025· Archived 6 August 2026· Frozen at battery v2.9.0
Why products are retired and how the freeze works: review.solar/methodology.