The BDPV website allows owners of PV systems to track their electricity production over the years and to compare it to others systems close by. BDPV will help you know if your system is performing as simulated by your installer, if it is ageing, how it compares to others systems close by, …. All of this for FREE.
BDPV gives you several charts to analyse your data, charts which you can also insert in your blog or website.
For those who do not have solar panels yet, BDPV allows you to visualise, on a map, installations in your region, to see details of the systems (inverter, panels,...), production forecast Production charts, …