The Höller portfolio comprises photovoltaic systems on commercial and industrial roofs at four sites in Saxony and Thuringia. With commissioning in Hörselberg on 20 August 2026, all eight sub-systems are now connected to the grid.

The systems were built by Solos GmbH, which also handles operations and asset management.

Sites

• Ronneburg (Thuringia): 3 sub-systems, 1,230 kWp, in operation since 14 Oct 2025
• Hoyerswerda (Saxony): 2 sub-systems, 566.62 kWp, in operation since 23 Mar 2026
• Radeburg (Saxony): 2 sub-systems, 1,117.60 kWp, in operation since 13 Jul 2026
• Hörselberg-Hainich (Thuringia): 1 system, 650.32 kWp, in operation since 20 Aug 2026