Add to cart Budapest Geothermal Energy Summit Normal Pass 26 September 2025 €550 Add to cart Budapest Geothermal Energy Summit Early Bird Pass 26 September 2025 €450 Add to cart Hungarian Battery Days2 days ticket, 6-7 November 2025 €650 Add to cart Hungarian Battery Days2 days ticket, 6-7 November 2025 – HUBA discount €550 Add to cart Hungarian Battery Days1 day ticket, 6 November 2025 €480 Add to cart Hungarian Battery Days1 day ticket, 6 November 2025 – HUBA discount €380