Reports
Annual Congestion Report
Annual Congestion Reports are published in accordance with ESM Rule 2.27B.6 by 31 March each year.
Relaxed Constraints Report
Reports describing constraints that were relaxed in accordance with ESM Rule 7.2.6 may be published quarterly in accordance with ESM Rule 7.2.7(b).
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15/04/2026
WEM Relaxed Constraints - Q1 2026
602.69 KB -
13/03/2026
WEM Relaxed Constraints - Q4 2025
616.01 KB -
11/12/2025
WEM Relaxed Constraints - Q3 2025
496.58 KB -
11/07/2025
WEM Relaxed Constraints - Q2 2025
478.34 KB -
09/04/2025
WEM Relaxed Constraints - Q1 2025
478.03 KB -
09/01/2025
WEM Relaxed Constraints - Q4 2024
386.16 KB -
31/10/2024
WEM Relaxed Constraints - Q3 2024
386.96 KB -
09/07/2024
WEM Relaxed Constraints - Q2 2024
387.67 KB -
09/07/2024
WEM Relaxed Constraints - Q1 2024
380.77 KB -
17/01/2024
WEM Relaxed Constraints - Q4 2023
389.85 KB
Alternative Network Constraint Equations
Reports describing the creation and justification of Alternative Network Constraint Equations may be published here.
There are no reports published yet.
Reserve Capacity Mechanism Congestion Report
Weekly Constraint Outcomes Report
Reports summarising constraint outcomes for a given Trading Week. Reports may be published fortnightly.
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26/05/2026
Weekly Constraint Outcomes Report - Trading Week starting 17 May 2026
825.15 KB -
26/05/2026
Weekly Constraint Outcomes Report - Trading Week starting 10 May 2026
936.23 KB -
26/05/2026
Weekly Constraint Outcomes Report - Trading Week starting 3 May 2026
1.08 MB -
06/05/2026
Weekly Constraint Outcomes Report - Trading Week starting 26 April 2026
859.94 KB -
26/05/2026
Weekly Constraint Outcomes Report - Trading Week starting 19 April 2026
831.9 KB -
26/05/2026
Weekly Constraint Outcomes Report - Trading Week starting 12 April 2026
769.06 KB -
26/05/2026
Weekly Constraint Outcomes Report - Trading Week starting 5 April 2026
747.52 KB