Decisions 14.02.2022 ACER Decision 01-2022 Requesting Additional Information in Relation to Single Intraday Coupling Data Press releases 21.12.2021 ACER and ENTSO-E investigate the incident in the Polish power system on 17 May 2021 Publications 20.12.2021 Position Paper on the Key Regulatory Requirements to Achieve Gas Decarbonisation Decisions 17.12.2021 ACER Decision 16-2021 on the Congestion Income Distribution Methodology Annexes ACER Decision 16-2021 on CIDM - Annex I ACER Decision 16-2021 on CIDM - Annex Ia Decisions 30.11.2021 ACER Decision 15-2021 on the Harmonised Allocation Rules for Long-term Transmission Rights Annexes ACER Decision 15-2021 on the Harmonised Allocation Rules for Long-term Transmission Rights - Annex I ACER Decision 15-2021 on the Harmonised Allocation Rules for Long-term Transmission Rights - Annex Ia ACER Decision 15-2021 on the Harmonised Allocation Rules for Long-term Transmission Rights - Annex II Publications 22.11.2021 ACER Position Paper on Incentivising Smart Investments to Improve the Efficient Use of Electricity Transmission Assets Publications 15.11.2021 ACER's Preliminary Assessment of Europe's High Energy Prices and the Current Wholesale Electricity Market Design Decisions 15.11.2021 ACER Decision 14-2021 on the Long-Term Capacity Calculation Methodology of the Core Capacity Calculation Region Annexes ACER Decision 14-2021 on the Core LT CCM - Annex I ACER Decision 14-2021 on the Core LT CCM - Annex Ia ACER Decision 14-2021 on the Core LT CCM - Annex II Publications 11.11.2021 ACER Monitoring of the Implementation of the Grid Connection Network Codes - Updated Analysis