In the latest tender conducted by the Federal Network Agency, the project developer ABO Energy, headquartered in Wiesbaden, achieved another significant success. The company secured tariffs for three new solar parks with a combined capacity of around 50 megawatts. This marks a strong continuation of its performance throughout 2025, as ABO Energy had already won contracts for five solar farms totaling about 57 megawatts in the year’s first two tender rounds. With the latest awards, the company has been successful in all three solar tenders held in 2025.
The newly awarded projects are located in three different regions: Schlangenbad in Hesse with a planned capacity of 20 MWp, Ober-Olm in Rhineland-Palatinate with 18.9 MWp and Schieder-Schwalenberg in North Rhine-Westphalia with 10.55 MWp. Construction for these solar farms is scheduled to begin in autumn 2026. By the following year, each of the plants will be equipped with battery storage systems to enhance their flexibility and efficiency.
These three solar farms are part of a larger portfolio that includes eight hybrid projects in total. Combined, the portfolio amounts to 100 megawatts peak of solar output and approximately 80 megawatts of battery storage capacity. ABO Energy is currently in talks with potential investors interested in taking over the full portfolio. Construction has already begun on three of the eight projects, while others are close to starting.
According to Amaya Hilpert, Head of Solar and BESS Project Development Germany, all projects in this portfolio will be paired with battery storage. She explained that storage systems play a key role in ensuring that renewable electricity can be fed into the grid at various times, which improves operational flexibility and economic performance. In addition to the green storage units that temporarily store excess solar energy, the portfolio also includes grey power storage systems with a total capacity of 45 megawatts. These systems can draw electricity from the public grid when needed, helping to strengthen grid stability.
The tender itself saw very strong interest once again. Against a tendered volume of 2,328 megawatts, bids amounting to 5,247 megawatts were submitted, meaning the process was significantly oversubscribed. A total of 262 bids were awarded contracts. The average awarded tariff in this tender came in at 5.00 euro cents per kilowatt hour, which is slightly higher than the previous round. Overall, the results show both the growing demand for renewable energy development in Germany and ABO Energy’s ability to consistently secure new solar and storage projects in a highly competitive environment.
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