Single Day-Ahead Coupling

Marketenergyday-ahead

Pan-European day-ahead coupling that clears all participating bidding zones together to maximise cross-border welfare.

Developments

15 tracked developments touching this entity.

06 NOV 2026

JAO's v5 Nomination Information document re-confirmed with no substantive content changes versus prior baseline

Implementation · ENERGY MARKETS · EU (multiple borders across all CCRs and interconnectors)

28 OCT 2026

NEMO Committee releases full text of SDAC Fallback Manual v1.5, confirming 3 November 2026 applicability and detailing decoupling procedures

Implementation · ENERGY MARKETS · EU

23 OCT 2026

Nord Pool and CROPEX Join SDAC in Slovenia via Multi-NEMO Arrangement Go-Live

Go-live · ENERGY MARKETS · EU

20 OCT 2026

MCCG webinar details SDAC/SIDC operational progress: XBID 5.0 corrective measures, 15-min MTU one-year review, fallback robustness workstreams, storage orders consultation outcomes, and IT architecture assessment

Implementation · ENERGY MARKETS · EU

13 OCT 2026

NEMO Committee advances assessment of SDAC fallback improvements ahead of 22 October MCCG meeting

Consultation · ENERGY MARKETS · EU

12 OCT 2026

Energinet publishes finalized Nordic 2025 aFRR/mFRR capacity market evaluation report

Market impact · BALANCING MARKETS · Nordic region (Denmark, Finland, Norway, Sweden)

03 OCT 2026

ARERA deliberation 345/2026/R/eel reconfirmed with no new procedural detail beyond prior record

Decision · ENERGY MARKETS · Italy, Slovenia, EU

02 OCT 2026

All NEMO Committee's Fourth Annual Conference Reviews SDAC/SIDC Performance and Charts Future Market Coupling Priorities

Market impact · ENERGY MARKETS · EU

02 OCT 2026

EPEX SPOT joins Single Day-Ahead Coupling (SDAC) in the Baltic states, completing MNA rollout

Go-live · ENERGY MARKETS · Baltic states (Lithuania, Latvia, Estonia)

30 SEPT 2026

NEMO Committee publishes Version 1.4 of the SDAC Fallback Manual, updating decoupling and fallback procedures

Implementation · ENERGY MARKETS · EU

29 SEPT 2026

EPEX SPOT Exchange Council Calls for Practical Fallback Solutions for SDAC Decoupling and Highlights Core Region Timeframe Constraints

Problem identified · ENERGY MARKETS · EU

09 SEPT 2026

NEMOs and TSOs Advance Redesign of SDAC Full Decoupling Fallback Mechanism

Consultation · ENERGY MARKETS · EU

04 SEPT 2026

TenneT proposes removal of Poland-Lithuania interconnector reference and >15-minute settlement option from FSkar balancing settlement methodologies

Consultation · BALANCING MARKETS · Netherlands (ACM approval); EU-wide impact on non-synchronously connected TSOs

02 SEPT 2026

CRE confirms approval of amended Italy North day-ahead fallback procedures and Shadow Allocation Rules; procedural dates now on record

Decision · ENERGY MARKETS · Italy North capacity calculation region (CRE/France approving; regional NRAs via INERRF)

31 AUG 2026

ACER review of NEMOs’ EU market-algorithm amendment remains underway

Regulatory review · ENERGY MARKETS · EU