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.

  • Step 1
    • Register with the balancing market
  • Step 2
    • Register with SEMOpx
  • Step 3
    • Obtain admission as a member with ECC
  • Step 4
    • Gain access to the trading platform
SEMOpx registration

To find out more, contact registration@semopx.com

Current members

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

Member NameShortnameDay-AheadIntraday AuctionIntraday Continuous
AARHUS ENERGY A/SAARHUS 
ALPHA ENERGY APSALPEN 
ALPHATARAXIA EUROPIUM B.V.ALPHA
AROSOURCE APSAROSOUR 
AUGHINISH ALUMINA LTDAUGHIN
AXPO TRADING AGEGL
BALLINCURRY ENERGY SUPPLY LTDBALLIN
BORD GAIS ENERGY LTDBORD
ORSTED RENEWABLE SUPPLY 2 LTDBROOK
BUDGET ENERGY LTD NIBUDGENI
C A COMMODITIES A/S   CACOM
CALVI ENERGY SERVICES LTDCALVI
CAPTURED CARBON LTDCAPTURED
CENERGISE LIMITEDCENERGI
CENERGISE TRADING LTDCENTRAD
CENTRICA ENERGY TRADING A/SNORDJYSK
COBBLESTONE ENERGY DMCCCOBBLENER
CONTOURGLOBAL SOLUTIONS (NORTHERN IRELAND) LTDCONTOUNI
CONVEX ENERGY GMBHCONVEX
COPENHAGEN ENERGY TRADING A/SCOPENER
DANSKE COMMODITIES A/SDANSKE
DUBLIN WASTE TO ENERGY SUPPLY LTDDUBLIN
ECOPOWER SUPPLY LIMITEDECOPOW
EDENDERRY POWER OPERATIONS LTDEDENDERR
EDTC LTDEDTC
ELECTRICITY SUPPLY BOARDELSUPPLY
ELECTROROUTE ENERGY TRADING LTDROUTE
ELECTROROUTE POWER ACCESS LIMITEDROUTOP
ELGIN TRADING & OPTIMISATION SERVICESELGIDHIE
ENERGETECH TRADING DMCCENERGET
ENERGI DANMARK A/SENERDK
ENERGIA CUSTOMER SOLUTIONS LIMITEDVIRIDENE
ENERGIA CUSTOMER SOLUTIONS NI LIMITEDVIRIDIAN
ENZEE COMMODITIES A/SENZEE
EP BALLYLUMFORD LTDAESBAL
EP KILROOT POWER LTDAESKIL
EROVA ENERGY LTDEROVA
EUROPEAN COMMODITY CLEARING LUXEMBOURG S.AR.LECCLU
FLOGAS NATURAL GAS LTDFLOGNAT
FLOGAS ENTERPRISE SOLUTIONS LTDVAYU
FLUXSMART LTDFLUX
GALANTA ENERGY TRADING LIMITEDGALANTA
GREEN AI APSGREENAI
GREENSPARK ANALYTICS LIMITEDGREENPRK
GRID BEYOND LIMITEDGRIDB
IBERDROLA ENERGIA ESPANA S.A.U.IBERDGE
IN COMMODITIES A/SINCOM
INDAVER ENERGY LTDINDAVER
KRIA ENERGY EHFKRIA
LCC POWER LTD NILCCPOW
LCC POWER LTD ROILCCPOI
LIGHTFIELD LTDFIELD
MFT ENERGY A/SMFT
NEXT KRAFTWERKE GMBHNEXTKW
NIDHOG APSNIDHOG
NITOR ENERGY A/SNITOR
NORDIC ENERGY HOUSE APSNORDIC
NORLYS ENERGY TRADINGNLYEX
NORTHPOOL B.V.NORTH
PANDA POWER LTDPANDA
POWER MANAGEMENT IT LIMITEDPOWERIT 
POWER NI ENERGY LTDPOWERNI
POWERMART APSPOMART
PREPAY POWER LTDPREPAY
QUENT APSQUENT
REPOWER SUPPLY LTDREPOS
RESPECT ENERGYTRMEW
RISQ ENERGY LIMITED RISQ
SLIABH BAWN SUPPLY DACSLIABH
SLIEVEREAGH POWER (CS) LTDSLIEVP
SSE ENERGY SUPPLY LTDSSE
STATKRAFT MARKETS GMBHSTATKMKT
TRISOLARIS AGTRISOLAR
TYNAGH ENERGY LTDTYNAGH
VIS ALGORITHMICS APSVISAKMDK
WFSO LIMITEDWFSO LIMITED
WFST LIMITEDWFST
XENON CAPITAL MARKETS LTDXENON