Summary: Explore the latest price trends, market drivers, and procurement strategies for photovoltaic energy storage materials in Hungary. . Hungary's power market has recently witnessed an unprecedented development: by the end of August 2025, the country had already recorded more hours of zero and negative electricity prices than during the whole of 2024. While this trend signals challenges in balancing supply and demand, it also. . December 10, 2025, marks a landmark moment in the Hungarian residential energy storage market. The government launched a HUF 100 billion household battery storage subsidy program, with a maximum of HUF 2. Important projects are already underway: MAVIR, the Hungarian energy supply company, has built a storage facility in Szolnok.