Another decade of PERC

Another decade of PERC

Today, more than 100 GW of production facilities, the vast majority of PV production in service worldwide, dependent on passivated emitter rear cell technology (PERC). And while it is getting more difficult to find further technological advances, scientists at the...
PPA for PV facade in Germany

PPA for PV facade in Germany

We think of massive photovoltaic power plants when we think of power purchase agreements (PPAs). The model may also work on a small scale, however. With an urban lighthouse scheme, the Sonneninitiative association and the Marburg municipal power company, Stadtwerke...