Your GPS location and the scanned serial numbers will be obtained during installation. Along with the regular relevant checklist items.
It is non-compulsory to join SPV program. However, STC submitted with validated solar panels are likely to be processed more efficiently, typically within 48 hours. STC applications submitted without validated solar panels may undergo a more detailed assessment. It is FREE for retailers and installers to join SPV program.
You can check participating brands and SPV information at the below website.
Your location will be obtained after you scan all serial numbers, and only when you confirm to detect your current location.
SPV can only take place with internet access. Because both serial numbers and installer’s GPS location will need to be obtained during the installation.
This will likely be an issue with the panel serial number. You can check whether the panel brand is on the participation list. You can also contact panel manufacturers for serial numbers issues. Alternatively, you can contact your retailer.