PV in aFRR: First practical insights and the next steps
With the successful prequalification of the first German PV plant for secondary control reserve, Entelios, Sunnic and 50Hertz broke new ground in November 2025. The ground-mounted plant in Schkölen was the first photovoltaic plant in Germany to be prequalified for aFRR in both the positive and negative direction and subsequently marketed. (more…)
