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
AXPO TRADING AG
BALLINCURRY ENERGY SUPPLY LTD
BORD GAIS ENERGY LTD
BROOKFIELD RENEWABLE SUPPLY 2 LTD
BUDGET ENERGY LTD NI
BUDGET ENERGY LTD ROI
CAPTURED CARBON LTD
CENERGISE LIMITED
CENERGISE TRADING LTD
CENTRICA ENERGY TRADING A/S
CONTOURGLOBAL SOLUTIONS (NORTHERN IRELAND) LTD  

CONVEX ENERGY GMBH
DANSKE COMMODITIES A/S
DUBLIN WASTE TO ENERGY SUPPLY LTD
EDENDERRY POWER OPERATIONS LTD
EDTC LTD
ELECTRICITY SUPPLY BOARD
ELECTROROUTE ENERGY TRADING LTD
ELECTROROUTE POWER ACCESS LIMITED
ENERGI DANMARK A/S
EROVA ENERGY LTD

EUROPEAN COMMODITY CLEARING LUXEMBOURG S.AR.L

FLOGAS NATURAL GAS LTD
IBERDROLA GENERACIÓN ESPANA S.A.U X
IN COMMODITIES A/S
INDAVER ENERGY LTD
LCC POWER LTD
LIGHTFIELD LTD      
MFT ENERGY A/S
NATURGY LTD
NEXT KRAFTWERKE GMBH
NORDIC ENERGY HOUSE APS
PANDA POWER LTD
POWER NI ENERGY LTD
POWERMART APS
PREPAY POWER LTD
SLIABH BAWN SUPPLY DAC
SLIEVEREAGH POWER (CS) LTD
SSE ENERGY SUPPLY LTD
STATKRAFT MARKETS GMBH
TRAILSTONE GMBH
TYNAGH ENERGY LTD
VIRIDIAN ENERGY LTD
VIRIDIAN ENERGY SUPPLY LTD
WFSO LIMITED