On Wednesday 17 September, the Agency for the Cooperation of Energy Regulators (ACER) validated the new Harmonised Allocation Rules (HAR) for long-term transmission rights, proposed on 27 March by the transmission system operators (TSOs).
The TSOs’ proposal included the introduction of a 15-minute market time unit on the ‘day-ahead’ electricity market.
Following a public consultation in spring 2025, ACER had until 29 September to give its opinion on the TSO proposal (see EUROPE...