An overview of how the SEMOpx electricity markets operate and the timelines they work on.
View the full range of static and dynamic reports available to download.
See dynamic report tables and graphs for latest auctions, which can be viewed online or downloaded.
Market related documentation and Trading & Technical documentation.
SEMOpx is governed by a set of rules and operating procedures that set out the obligations on Exchange Members and process for trading on the exchange.
Latest approved SEMOpx Rules, Procedures and any approved Modifications.
Modifications to the SEMOpx Rules.
Find registration information for a company to participate in the Day-Ahead and Intraday Market.
To trade on SEMOpx Day-Ahead and Intraday Markets you need to complete the application process
Competitive, simple fee structure to participate and trade on the exchange.
Information on all aspects of Single Electricity Market.
30/01/2020
pdf 469.1 kB
Key Statistics 2019
28/01/2020
zip 31.8 MB
Remit Auction Files 01/01/20 - 31/01/20
10/01/2020
zip 2.4 MB
Remit CO Files 01/12 - 31/12
20/12/2019
SEMOpx Remit Continuous 01/11- 30/11
17/12/2019
pdf 579.1 kB
16/12/2019
zip 32.9 MB
Remit Auction files 01/12 - 31/12. Full month updated
11/12/2019
SEMOpx Remit Continuous 01/10 - 31/10
08/11/2019
zip 29.5 MB
01/11/19 - 30/11/19
zip 31.6 MB
Update to Thursday 31st October 2019
22/10/2019
pdf 252.2 kB
Status of REMIT Reporting Issues (September 2019 to February 2020)