Define the application
Record objectives, conditions, and decision participants.
Project Assurance
Keep module decisions connected to delivery, documentation, and lifecycle support.
This resource helps professional teams structure the questions that need a project-specific answer before handoff.
Review evidence
Check current documents and applicable requirements.
Prepare handoff
Keep installation and lifecycle questions visible.
Start with a concise project brief.
Contact SunpowerSelection note: TOPCon and heterojunction module choices involve supply availability, temperature behavior, degradation assumptions and bankability. Nominal power and module efficiency must be checked against the current datasheet, test conditions and the project-specific IEC 61215 / IEC 61730 requirements.