On Oct. 2, ECC issued circular on introduction of MTU in Switzerland.
ECC issued ECC Clearing Circular 73/2026, Introduction of 15-minute Market Time Unit (MTU) in Switzerland and Merger of Swiss Intraday Auctions, on local changes.
Circular Content
Changes align with EPEX SPOT SE and the transmission system operator Swissgrid.
ECC will support the introduction of the 15-minute Market Time Unit (MTU) for Swiss power spot market as well as the merger of the local Swiss Intraday Auctions (IDAs).
For the Swiss DayAhead auctions, EPEX SPOT will be introducing full Cross-Product Matching within the current Swiss bidding zone, as well as on the applicable borders.
Market participants will be able to submit their linear and their block orders with either 15-minute, or 30-minute, or 60-minute resolutions, matching against each other.
For Swiss Intraday auctions, the two existing local Swiss Intraday auctions, held at 17:40 CET (D-1) and 10:30 CET (D) are to be merged in single local intraday auction.
Direct clearing participants admitted to Swiss auction markets must review base limits.
The current standard ECC member reports (the trade report and payment report) will reflect a 15-minute resolution contracts for Swiss DayAhead and Swiss Intraday trades.
Current accounting and financial settlement under Clearing Conditions are unchanged.
All of the existing admission parameters and the current permissions for trading participants on EPEX SPOT Swiss DayAhead and Swiss Intraday markets are fully valid.
Effectiveness
The launch is scheduled for Nov. 3, 2026, with the first delivery date of Nov. 4, 2026.
