Like others have mentioned, change your provider. Prices are going down again, as there have been advancements on installing renewables. Energy prices at the end of 2024 were 30,5% cheaper than at the start of 2023 (Source. This is the case even though we are paying more for the modernization of the grid, because renewables are that much cheaper than other sources.
Germany hits 62.7% renewables in 2024 energy mix, with solar contributing 14% (www.pv-magazine.com)