Welcome to SEMOpx where we provide our registered Members with secure, efficient trading in the day-ahead and intraday market.

Register with us

To trade on SEMOpx Day-Ahead and Intraday Markets you need to complete the application process. To become a Member, an applicant must:

  • Register with a VAT register
  • Accede to the Trading & Settlement Code for the Balancing market
  • Find a clearing bank or sign a direct clearing agreement with ECC
  • Register with a Regulatory Authority for an ACER code

Then complete the application process as outlined below.

To commence this application process:

  • Contact the SEMOpx Registration team at SEMOpx by phone on +353 (1) 6688183 or email: registration@semopx.com.
  • If your application is accepted, we will guide you through the Exchange Membership accession process
  • Contact ECC to complete the admission process

In order to trade on the SEMOpx power exchange you must also be registered to participate in the Balancing Market with the Single Electricity Market Operator.

Current members

Below sets out the Exchange Members registered and trading with SEMOpx.

Member NameDay-AheadIntraday AuctionIntraday Continuous
AES BALLYLUMFORD LTD
AES KILROOT LTD
AUGHINISH ALUMINA LTD
Bord Gais Energy LTD
BROOKFIELD RENEWABLE SUPPLY 2 LTD
BUDGET ENERGY LTD NI
BUDGET ENERGY LTD ROI
CAPTURED CARBON LTD
CENERGISE TRADING LTD
DANSKE COMMODITIES A/S
DUBLIN WASTE TO ENERGY SUPPLY LTD
EDENDERRY POWER OPERATIONS LTD
Axpo Trading AG
ELECTRICITY SUPPLY BOARD
EROVA ENERGY LTD
LIGHTFIELD LTD
FLOGAS NATURAL GAS LTD
LCC POWER LTD
MFT ENERGY A/S
NEAS ENERGY A/S
PANDA POWER LTD
Power NI Energy LTD
PrePayPower LTD
ELECTROROUTE ENERGY TRADING LTD
SEMOpx AOLR
SLIABH BAWN SUPPLY DAC
SSE ENERGY SUPPLY LTD
TRAILSTONE GMBH
TYNAGH ENERGY LTD
VAYU LTD
VIRIDIAN ENERGY LTD
VIRIDIAN ENERGY SUPPLY LTD
WFSO LIMITED
ELECTROROUTE POWER ACCESS LIMITED
CENERGISE LIMITED
EUROPEAN COMMODITY CLEARING LUXEMBOURG S.AR.L
INDAVER ENERGY LTD
STATKRAFT MARKETS GMBH
CONTOURGLOBAL SOLUTIONS (NORTHERN IRELAND) LTD