20th_anniversary Summer School Market Surveillance ERRA Webinar: Energy Market Surveillance I: Fundamentals of Enforcement and Abusive Practices (June 23, 2021) New Commissioners Banner of 9th ERRA Seminar on Energy Policy and Regulation for High-Level Policy Makers and Commissioners Tariffs Training ERRA Online Training: Electricity Tariff Setting: A Practical Guide (September 20 - October 15, 2021)