Yup. I did a very quick calculation based on last years yield and if the new energy prizes remain at this level it seems our 2.7kWp is going to pay itself back

Yup. I did a very quick calculation based on last years yield and if the new energy prizes remain at this level it seems our 2.7kWp is going to pay itself back in about 4 years (!) instead of about 9-10 years. Crazy.