ERRA’s 25^th anniversary is a significant milestone that offered a moment for coming together and celebrating on December 11, 2025. Over the past quarter of a century, ERRA has played a key role in shaping and advancing energy regulation in Europe and beyond, building strong partnerships among a growing member base, fostering best regulatory practices, and encouraging continuous improvement. To date ERRA demonstrates the power of collaboration among nations, regulators, and others in the energy sector, as they work together and exchange knowledge, ideas, and expertise to benefit the people they serve.

Below are the individual sections of the celebrational program of December 11, 2025.