| 27XAII-CZ------N | Acquisitions and Investments International, s.r.o. | AII-CZ | . | CZ62580949 | electricity trading | |
| 27XALPIQ-ENERGYS | ALPIQ ENERGY SE | ALPIQ-ENERGY | . | . | CZ28477090 | Balance Responsible Party |
| 27XAPTPOWER-CZ-3 | VERBUND-Austrian Power Trading Czech Republic, s.r.o. | VERBUND-APT-CZ | . | . | . | Electricity trading |
| 27X-BEE--------V | BOHEMIA ENERGY entity s.r.o. | BEE | . | . | CZ27386732 | energy and gas trading |
| 27X-BZC-CMKBK--P | Burzovni zuctovaci centrum, s.r.o. | BZC-CMKBK | . | . | . | Electricity trading company |
| 27XCBUNION-CZ--W | CARBOUNION BOHEMIA,spol. s r. o. | CBUNION-CZ | . | . | CZ25692917 | energy trading |
| 27XCEPS-BALAN-E4 | CEPS a.s. - BALANCE ELECTRICITY OPERATION | CEPS-BALAN-E | . | 8591824010105 | CZ25702556 | CEPS, a.s. AS THE CZECH TRANSMISSION SYSTEM OPERATOR IS ENTITLED TO OBTAIN ELECTRICITY TO ENSURE BALANCE FOR CEPS CONTROL AREA. THIS EIC WILL BE USED FOR INTERRELATED OPERATION. |
| 27XCESNAFTASPOL6 | Ceska naftarska spolecnost, s.r.o. | CNS | . | . | CZ25317911 | Gas producer |
| 27XCEZ-INTRA---M | CEZ, a.s. | CEZ-INTRA | . | . | CZ45274649 | Balance Responsible Party |
| 27X-CEZ-PRODEJ-R | CEZ Prodej, s.r.o. | CEZ-PRODEJ | . | . | CZ27232433 | Balance Responsible Party |
| 27XCOAL-ENERGY-P | Coal Energy, a.s. | COAL-ENERGY- | . | 8591824017807 | CZ26485079 | Power trading (purchases on domestic market and exports from Czech Republic) |
| 27X-COMFORT-EN-D | COMFORT ENERGY s.r.o. | COMFORT-EN | . | 8591824313008 | CZ28393538 | Balance Responsible Party |
| 27XCZ-RSPENERGYQ | RSP Energy a.s. | RSPENERGY | . | . | CZ28903765 | Balance Responsible Party |
| 27XDALKIA-CR---O | Dalkia Ceska republika, a.s. | DALKIA-CR | . | . | CZ45193410 | The production, distribution and sale of thermal energy as well as the generation and sale of electrical energy. |
| 27X-----EDFT-CZQ | EDF Trading Limited | EDFT-CZ | . | . | GB735547907 | Transmission Capacity Allocator |
| 27XEDF-TRADING-G | EDF Trading- organizacni slozka | EDFTRADING-OS | . | 8591824027707 | . | Transmission Capacity Allocator |
| 27X-EFT-CZ-----X | EFT Cesko a.s. | EFT-CZ | . | 8591824191606 | CZ27894347 | Transmission Capacity Allocator |
| 27X-----EGL-CZ-X | EGL esk Republika s.r.o. | EGL-CZ | . | . | . | Purchase and Sales of electricity, Transport and Transit of electricity |
| 27XELEC-DEU-CZ1K | ELECTRA Deutschland GmbH, org. slozka | ELEC-DEU-CZ1 | . | . | CZ28210352 | electricity trading |
| 27XELEC-DEU-CZ2I | ELECTRA Deutschland GmbH, org. slozka | ELEC-DEU-CZ2 | . | . | CZ28210352 | electricity trading |
| 27XELECTRABELCRJ | Electrabel, organizacni slozka | ELECTRABELCR | 11XELECTRABEL--Z | 8591824038000 | CZ25987046 | Electricity trader |
| 27XELECTRA-BOH2I | ELECTRA Bohemia s.r.o. | ELECTRA-BOH2 | . | . | CZ27196801 | electricity trade |
| 27XELECTRA-BOH-O | ELECTRA Bohemia, s.r.o. | ELECTRA-BOHEMIA | . | . | CZ27196801 | Buying and selling electricity for im- and export |
| 27XENABOHEMIA--E | Energy Alliance Bohemia s.r.o. | ENABOHEMIA | . | . | CZ27713814 | electricity trading |
| 27XENEBRA------B | ENECOM, s.r.o. | ENEBRA | 11XENECOM------1 | . | SK2021774700 | Electricity trader |
| 27XENECOM------6 | ENECOM, s.r.o. | ENECOM------ | . | 8591824018408 | CZ64583376 | Balance Responsible Party |
| 27X-ENERGOKD-1EQ | ENERGO KD s.r.o. | ENERGO_KD | . | . | CZ48951412 | electricity trade |
| 27X-ENERGOKD-2EN | ENERGO KD s.r.o. | ENERGO_KD_E | . | . | CZ48951412 | local electricity provider |
| 27XENERGY-UL-CZH | ENERGY Usti nad Labem, a.s. | ENERGY-UL-CZ | . | . | CZ25540971 | gas distribution |
| 27XENTRADE--CZE1 | Atel Cesk republika s.r.o. | ATEL-CZ | . | . | . | Energy trading |
| 27XEON-ENERGIE-Z | E.ON Energie, a.s. | EON-EN-CZ | . | . | CZ26078201 | Transmission Capacity Allocator |
| 27XEON-H-CZ----2 | E.ON Energy Trading AG, organizacni slozka | EON-H-CZ | . | 8591824038505 | CZ27121399 | energy trading |
| 27X-ESON-------6 | ESON, s.r.o. | ESON | . | . | CZ47308214 | Balance Responsible Party |
| 27XETC-CZ------G | ETC-Energy Trading, s.r.o. | ETC-CZ------ | . | . | . | electricity trading |
| 27XETC-ENERGY--3 | ETC-Energy Trading, s.r.o. | ETC-ENERGY-- | . | . | . | Electricity trading |
| 27XETC-ENTRACO-F | ETC-Energy Trading, s.r.o. | ETC-ENTRACO- | . | . | . | Electricity Trading |
| 27X-ET-ENERGIE-P | e&t Energie Handelsgesellschaft m.B.H., organizacni slozka | ET-ENERGIE | . | . | CZ27648141 | electricity trade |
| 27XEUROWATT-COM8 | EUROWATT-COMMERCE, s.r.o. | EUROWATT-COM | . | . | . | electricity trading |
| 27XEXEN-SRO----E | Exen s.r.o. | EXEN-SRO---- | . | . | . | electricity trading |
| 27XG1KSK-KURIM-R | KULICKOVE SROUBY KURIM, a.s. | KSK-KURIM1 | . | . | CZ26232740 | Resource Provider |
| 27XG2KSK-KURIM-F | KULICKOVE SROUBY KURIM, a.s. | KSK-KURIM3 | . | . | CZ26232740 | Resource Provider |
| 27XG3KSK-KURIM-3 | KULICKOVE SROUBY KURIM, a.s. | KSK-KURIM | . | . | CZ26232740 | gas distribution |
| 27XG-ACTHERM-CV1 | ACTHERM, spol. s r.o. | ACTHERM-CV | . | . | CZ48024091 | gas distribution |
| 27XG--AMT------8 | AMT Cenkov s.r.o. | AMT | . | 8591824072004 | CZ62954211 | gas distribution |
| 27XGAS-VEMEX---P | VEMEX s.r.o. | GAS-VEMEX | . | . | CZ26448831 | gas trading |
| 27XG-CE-AS-----I | Ceska energie, a.s. | CE-AS | . | . | CZ25596080 | gas trading |
| 27XG-CEP-AS----9 | Ceska plynarenska, a.s. | CEP-AS | . | . | CZ27645282 | gas trading |
| 27XG-CONTE-----I | CONTE spol. s r.o. | CONTE | . | . | CZ00565342 | Resource Provider |
| 27X-G-EBOHEMIA-H | Energie Bohemia, a. s. | EBOHEMIA | . | . | CZ25129163 | gas trading |
| 27XG-ENERG-CHRO3 | Energetika Chropyne, a.s. | ENERG-CHRO | . | . | CZ25517074 | gas trading |
| 27XG-ENERGOKD-1X | ENERGO KD s.r.o. | ENERGO_KD_G1 | . | . | CZ48951412 | gas trade |
| 27XG-ENERGOKD-2V | ENERGO KD s.r.o. | ENERGO_KD_2G | . | . | CZ48651412 | gas TSO |
| 27XG-ENG-MAL---3 | Energetika Malenovice, a.s. | ENG-MAL | . | . | CZ 479 16 389 | local gas distributor |
| 27XG-ENG-MAL-TGR | Energetika Malenovice, a.s. | ENG-MAL-TG | . | . | CZ 479 16 389 | local gas distributor |
| 27XGEON-ENERGIEB | E.ON Energie, a. s. | EON_ENERGIE | . | . | CZ26078201 | gas trading |
| 27XGESABVAMBERKJ | ESAB VAMBERK, s.r.o. | ESAB-VAMBERK | . | . | CZ25268023 | gas distribution |
| 27XG--ESON-USTIG | ESON s.r.o. | ESON-USTI | . | . | CZ47308214 | gas distribution |
| 27XGGDF-SUEZ-PPC | GDF SUEZ Prodej plynu s.r.o. | GDF-SUEZ-PP | . | . | CZ28486510 | Resource Provider |
| 27XG-JCP-----CZI | Jihoceska plynarenska, a.s. | G-JCP-----CZ | . | . | CZ60827807 | trade and gas distribution |
| 27XG-JCP-DIS-CZV | JCP Distribuce, s.r.o. | G-JCP-DIS-CZ | . | . | CZ26105624 | gas distribution |
| 27XG-JCP-TRD-CZE | Jihoceska plynarenska, a.s. | G-JCP-TRD-CZ | . | . | CZ60827807 | gas trading |
| 27XG-JMP-NET-CZS | JMP Net, s.r.o. | G-JMP-NET | . | . | CZ27689841 | gas distribution |
| 27X----G-KOM-DT8 | Kovohute Mnisek, a.s. | G-KOM-DT | . | . | CZ45148112 | alumious alloy producing |
| 27X-G-KOM-DT-CZP | KULICKOVE SROUBY KURIM, a.s. | G-KOM-DT2 | . | . | CZ45148112 | Resource Provider |
| 27XG-KSK-KURIM-E | KULICKOVE SROUBY KURIM, a.s. | KSK-KURIM2 | . | . | CZ26232740 | Resource Provider |
| 27XGLAMA-INVESTL | LAMA INVESTMENTS a. s. | LAMA-INVEST | . | . | CZ28262026 | gas trading |
| 27XG-LDSCEZES--9 | CEZ Energeticke sluzby, s. r. o. | G-LDSCEZES | . | . | CZ27804721 | energy trading, services |
| 27XG-LDSEVI----J | Energetika Vitkovice, a.s. | G-LDSEVI | . | . | CZ25854712 | gas distribution, gas trading |
| 27XGLUMENENERGYU | Lumen Energy a.s. | LUMEN-ENERGY2 | . | . | CZ26090660 | Resource Provider |
| 27XG-METALVIS--O | MATALVIS, s.r.o. | METALVIS | . | . | CZ48911101 | gas distribution |
| 27XG-MINERAL---6 | MINERAL spol. s.r.o. | MINERAL | . | . | CZ18953093 | gas trading |
| 27XG-MND-AS----S | MND, a. s. | MND-AS | 27XMND---------8 | . | CZ27732932 | Balance Responsible Party |
| 27XGMVT-ENERGO-C | Jiri Sandera | MVT-ENERGO | . | . | CZ63490137 | gas distribution |
| 27XG-OSTROJ----P | OSTROJ a. s. | OSTROJ | . | . | CZ45193681 | gas trading |
| 27XG-PGP-TRD-CZJ | Pragoplyn a.s. | G-PGP-TRD-CZ | . | . | CZ27933318 | gas distribution |
| 27XGPOURMILOUS-0 | Ing. Milous Pour | POURMILOUS | . | . | CZ46969667 | gas distribution |
| 27XG-PPC-TRD-CZ9 | Prazska plynarenska, a.s. | G-PPC-TRD-CZ | . | . | CZ60193492 | gas trading |
| 27XG-PPD-------4 | Prazska plynarenska spolecnost | PPD | . | . | CZ27403505 | Resource Provider |
| 27XG-PPD-DSO-CZE | Prazska plynarenska Distribuce, a.s. | G-PPD-DSO-CZ | . | . | CZ27403505 | gas distrubution |
| 27XG-PSPTSL----V | PSP Technicke sluzby a.s. | PSPTSL | . | . | CZ47677937 | gas distribution |
| 27XG-QUANTUM-ASR | QUANTUM, a.s. | QUANTUM-AS | . | . | CZ25307762 | gas distribution |
| 27XG-RTN-TSO-CZ9 | RWE Transgas Net, s.r.o. | RTN-TSO-G-CZ | . | . | CZ27260364 | Gas TSO |
| 27XG-RWE-ENG-CZD | RWE Energie, a. s. | G-RWE-ENG-CZ | 27X-G-RWE-TG-CZR | . | CZ49903209 | Balance Responsible Party |
| 27XG-RWE-EST-CZT | Severočeská plynárenská, a.s. | G-RWE-EST-CZ | 27XG-RWE-SCP-CZA | . | CZ49903209 | Resource Provider |
| 27XG-RWE-EZC-CZZ | Severočeská plynárenská, a.s. | G-RWE-EZC-CZ | 27XG-RWE-SCP-CZA | . | CZ49903209 | Resource Provider |
| 27XG-RWE-GASNET1 | RWE GasNet, s.r.o. | RWE-GASNET | 27XG-RWE-ENG-CZD | . | CZ27295567 | Resource Provider |
| 27XG-RWE-JMP-CZD | Jihomoravska plynarenska,a.s. | G-RWE-JMP-CZ | . | . | CZ49970607 | Gas trading |
| 27XG-RWE-SCP-CZA | Severoceska plynarenska, a.s. | G-RWE-SCP-CZ | . | . | CZ49903209 | gas trading |
| 27XG-RWE-SMP-CZO | Severomoravska plynarenska, a.s. | G-RWE-SMP-CZ | . | . | CZ47675748 | gas trading |
| 27XG-RWE-STP-CZJ | Stredoceska plynarenska, a.s. | G-RWE-STP-CZ | . | . | CZ60193158 | gas trading |
| 27X-G-RWE-TG-CZR | RWE Transgas, a.s. | RWE-TG-CZ | . | . | CZ26460815 | Gas trading |
| 27XG-RWE-VCP-CZQ | Vychodoceska plynarenska, a.s. | G-RWE-VCP-CZ | . | . | CZ60108789 | gas trading |
| 27XG-RWE-ZCP-CZZ | Zapadoceska plynarenska, a.s. | G-RWE-ZCP-CZ | . | . | CZ49790315 | gas trading |
| 27XG-RYN-ENERG-I | Rynovicka energeticka s.r.o. | G-RYN-ENERG | . | . | CZ25412400 | gas distribution |
| 27XG-SCP-NET-CZT | SCP Net, s.r.o. | G-SCP-NET | . | . | CZ27295567 | gas distribution |
| 27X-G-SCP-NET--Z | SCP Net, s. r. o. | SCP-NET | . | . | CZ27295567 | gas services |
| 27XG-SLLKS-----C | Statni lecebne lazne Karlova Studanka s.p. | SLLKS | . | . | CZ14450216 | gas trading |
| 27XG-SMP-NET-CZ3 | SMP Net, s.r.o. | G-SMP-NET | . | . | CZ27768961 | gas distribution |
| 27XG-SPOLANA---C | SPOLANA, a.s. | SPOLANA | . | . | CZ45147787 | gas distribution |
| 27XG-STAVEBNIK-6 | STAVEBNIK- stavebni bytove druzstvo | STAVEBNIK | . | . | CZ25652541 | gas distribution |
| 27XG-STP-NET-CZ7 | STP Net, s.r.o. | G-STP-NET | . | . | CZ27455611 | gas distribution |
| 27XG-SVSERVISNIK | SV servisni, s.r.o. | SVSERVISNI1 | . | . | CZ60725974 | Resource Provider |
| 27XG-TOMA------N | TOMA,a.s. | TOMA | . | . | CZ18152813 | gas distribution |
| 27XG---UET-----U | United Energy Trading, a.s. | UET | . | . | CZ27386643 | gas distribution |
| 27XG-UNIGEO----E | UNIGEO a.s. | UNIGEO | . | . | CZ45192260 | gas production |
| 27XG-UNIMASTER-9 | UNIMASTER spol. s.r.o. | UNIMASTER | . | . | CZ45192260 | gas production |
| 27XG-VCP-NET-CZX | VCP Net, s.r.o. | G-VCP-NET | . | . | CZ27495949 | gas distribution |
| 27XG-VNGENERGIEZ | VNG Energie Czech a.s. | VNG_ENERGIE | . | . | CZ25027590 | gas trade |
| 27XG-WINGAS-CZ-Q | WINGAS GMBH | WINGAS-CZ | . | . | DE814987657 | gas supply |
| 27XGWINGAS-CZ--T | WINGAS GmbH | WINGAS-CZ2 | . | . | DE811249482 | Resource Provider |
| 27XG-ZCP-NET-CZQ | ZCP Net, s.r.o. | G-ZCP-NET | . | . | CZ26412527 | gas distribution |
| 27XG-ZDB-GROUP-A | ZDB GROUP a.s. | ZDB-GROUP | . | . | CZ26877091 | gas distribution |
| 27XG-ZVU-AS-HK-Z | ZVU, a.s. | ZVU-AS-HK | . | . | CZ46504737 | gas distribution |
| 27XIPR-OPAT----6 | International Power Opatovice, a.s. | IPR-OPAT | . | . | . | electricity trading |
| 27X-KIHENERGYCZN | KIH Energy Ceska, s. r. o. | KIHENERGYCZ | . | . | CZ28241461 | energy trading |
| 27XKORLEASKP-OSH | KORLEA INVEST, a.s. organizacni slozka | KORLEASKP-OS | . | . | . | electricity trading |
| 27XKRALOVOPOLSKE | KRALOVOPOLSKA, a.s. | KRALOVOPOLSK | . | . | CZ46347267 | electricity trade |
| 27XLAMA--------5 | Petr Lamich-LAMA | LAMA-CZ | . | . | CZ6211210577 | Resource Provider |
| 27XLUMEN-ENERGYP | LUMEN ENERGY, a.s. | LUMEN-ENERGY | . | 8591824072509 | CZ26090660 | Electricity trading |
| 27XLUMIUS-GAS--B | Lumius, spol. s.r.o. | LUMIUS-GAS | . | . | CZ25911945 | gas trading |
| 27XMETALIMEX---L | METALIMEX, a.s. | METPRA | . | . | . | International trading of hard fuel and materials of metallurgy industries |
| 27XMND---------8 | Moravske naftove doly, a. s. | MND | . | . | CZ26288583 | gas trade |
| 27XMORAVA-CHEM2F | PCC MORAVA - CHEM s.r.o. | MORAVA-CHEM2 | . | 8591824011508 | CZ47669063 | electricity trade |
| 27XMORAVA-CHEM-L | PCC MORAVA - CHEM s.r.o. | MORAVA-CHEM | . | 8591824011508 | CZ47669063 | electricity trade |
| 27X-MSCGCR-----F | Morgan Stanley Capital Group Czech Republic, s.r.o. | MSCGCR | . | . | CZ27904181 | Balance Responsible Party |
| 27XNANO-E-TRADEC | Nano Energies Trade s.r.o | NANO-E-TRADE | . | . | CZ28664779 | Balance Responsible Party |
| 27XNS-STETI-CZ-Z | Norske Skog Steti, a.s. | NS-STETI-CZ | . | 8591824020609 | CZ48288497 | Electricity trading |
| 27XNUON--------V | N.V.Nuon Energy Trade & Wholesale-organizacni slozka | NUON-CZ | . | . | CZ27653544 | Resource Provider |
| 27X-OAZA-ENERGOZ | oaza-energo,a.s. | OAZA-ENERGO | . | . | CZ61672424 | Balance Responsible Party |
| 27X-OKD-DPBCZ--L | OKD, DPB, a.s. | OKD-DPBCZ | . | . | CZ00494356 | Gas trade |
| 27XOTE-CZECHREPB | Operator trhu s elektrinou, a. s. | OTE | . | . | CZ26463318 | Balance Responsible Party |
| 27XPEAS--------5 | Prvni energeticka, a.s. | PEAS | . | 8591824013908 | CZ61860948 | Electricity trading |
| 27X-PEAS-CZ----1 | Prvni energeticka, a. s. | PEAS-CZ | . | . | CZ61860948 | Balance Responsible Party |
| 27XPRE3--------I | Prazska energetika, a.s. | PRE3 | . | . | CZ60193913 | electricity trading |
| 27X-PRE-4------D | Prazska energetika, a. s. | PRE4 | . | . | CZ60193913 | Energy trading |
| 27XPRE---------L | Prazska energetika,a.s. | PRE | . | 8591824011607 | CZ60193913 | Trade and electricity distribution |
| 27X-----PRE----X | Prazska energetika, a.s. | PRE-CZ | . | . | CZ27653544 | Transmission Capacity Allocator |
| 27X-PXE-ECC----V | Energy Cleaning Counterparty, a. s. | PXE-ECC | . | . | CZ28441681 | Balance Responsible Party |
| 27X-RAETIACZ---E | RE Trading CEE s.r.o. | RAETIACZ | . | . | CZ27660061 | electricity trade |
| 27X-RIGHT-POWER6 | Right Power, a.s. | RIGHT-POWER | . | . | . | Electricity trading |
| 27X-RWE-GASNET-K | RWE GasNet, s.r.o. | RWE-GASNET | . | . | CZ27295567 | Balance Responsible Party |
| 27X-RWE-KEY-CZ-Y | RWE Key Account CZ, s.r.o | RWE-KEY-CZ | . | . | CZ28416163 | Balance Responsible Party |
| 27XSEMPRA-SRO--Z | RBS Sempra Energy Europe, s.r.o | RBS-SEMPRA-SRO | . | . | CZ27077641 | Balance Responsible Party |
| 27XSLOV-EL-OZ--6 | Slovenske elektrarne, a.s. - organizacni slozka | SE-OZ-CZ | . | 8591824070406 | CZ26971801 | elekctricity trading |
| 27X-SPP-CZ-----H | SPP CZ, a. s. | SPP-CZ | . | . | CZ28488016 | Balance Responsible Party |
| 27X----SSE-CZ--G | SSE CZ, s.r.o. | SSE-CZ | . | . | . | electricity trading |
| 27X-SVSERVISNI-M | SV servisni, s.r.o. | SVSERVISNI2 | . | . | CZ60725974 | Transmission Capacity Allocator |
| 27XSVSERVISNI--P | SV servisni, s.r.o. | SVSERVISNI3 | . | . | CZ60725974 | Transmission Capacity Allocator |
| 27XTOPTRA----CZL | TOPTRA a.s. | TOPTRA-CZ2 | . | . | CZ26810760 | Transmission Capacity Allocator |
| 27XTOPTRA-CZ---M | TOPTRA a.s. | TOPTRA-CZ | . | . | CZ26810760 | Electricity trade |
| 27XVERBUND-APT-H | VERBUND - Austrian Power Trading Czech Republic s.r.o. | VERBUND-APT-CZ-H | 19XVERBUNDPOWERY | . | CZ27413411 | Balance Responsible Party |
| 27X-ZAME-------G | Zapadomoravska energeticka, s.r.o. | ZAME | . | . | CZ27700372 | Balance Responsible Party |
| 27XZD-VBILOVICEY | Zemedelske druzstvo Velke Bilovice | ZD-VBILOVICE | . | . | CZ00134601 | gas trading |