69/ 100
Premium Performance · flagged
Panasonic EverVolt HK2
Panasonic
Very good — Very Good
Heterojunction (HJT)Class-Leading Temp Coeff15+ Yrs Field-Proven
Worth knowing before you buy. Panasonic exited the solar business in April 2025 and no longer manufactures or sells panels. It has said it will honour existing warranties, but support and replacement now rest with a company that has left the category. Source. A long warranty is only as valuable as the business standing behind it.
How it scores, by category
Architecture & Design75
Efficiency & Yield64
Durability (verified)44
Performance & Degradation86
Guarantee & Backbone82
Sustainability65
Efficiency
22.2%
Cell
Heterojunction
Temp coeff
-0.24
Warranty
25 yr
The verdict
In our Premium Performance class, Panasonic Panasonic EverVolt HK2 leads on performance & degradation. See the financial standing note above. A long warranty is only as good as the business behind it.
Source: https://www.solarelectricsupply.com/panasonic-evervolt-evpv4 · scoring methodology by Solar Analytica.