Summer and Winter Outlooks

Summer and Winter Outlooks

What is it?

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SWO

ENTSO-E assesses seasonal adequacy and publishes the outcomes in the form of a Summer Outlook and a Winter Outlook. This foresight helps to alert Member States, transmission system operators and other stakeholders of risks of power shortages anticipated over the next six months.

Seasonal adequacy assessments are part of the electricity crisis-management framework established by the Risk Preparedness Regulation. Evaluation of scenarios for the upcoming summer or winter seasons follows the Methodology proposed by ENTSO-E and approved by ACER Decision.

ACER may provide an opinion on the results of the seasonal adequacy assessment. When doing so, ACER considers the objectives of non-discrimination, effective competition, and efficient and secure functioning of the EU electricity market.

ACER follows closely ENTSO-E’s work on seasonal adequacy and shares its considerations with all stakeholders via its opinions or with relevant communication.

REFERENCE SEASON ACER'S REACTION
Summer 2024 Communication
Winter 2023/2024 Communication
Summer 2023 Communication
Winter 2022/2023 Opinion No 01/2023 
Summer 2022 Communication 
Winter 2021/2022  Communication
Summer 2021 Opinion No 07/2021
Winter 2020/2021 Opinion No 01/2021
Summer 2020  Opinion No 07/2020
Winter 2019/2020  Opinion No 02/2020