It’s been a year since the residents of the Efficiency House Plus homes in Hügelshart, Germany, moved in. They have already experienced one hot summer and their first winter. So how have these innovative, low-energy homes featuring their own PV systems, battery-storage systems and heat pumps fared during this time?

Invest and keep operating, or dismantle it? Ideally, this is a question that operators of PV power plants only have to ask when a plant is nearing the end of its planned productivity period.

The European elections once again made it clear that climate protection is becoming a central issue for more and more people Even after the elections, effective countermeasures by politicians are not yet in sight. This means that it is all the more important that companies take the initiative.