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Membership Criteria
The Association of Power Exchanges (APEx) has been formed to provide an easy means for operators of electricity markets around the world to share information and experiences.

Currently, our members come from Asia, Australasia, Europe, North America and South America.

The membership criteria for APEx is as follows:

A.   a party who operates an electricity trading pool;
B.   a party who engages in an electricity power exchange;
C.   a party who operates an exchange for trading financial instruments related to electricity trading; or
D.   a party who operates an electricity transmission system in a competitive electricity market.

If you would like to apply for membership in APEx, an application form PDF format) can be downloaded here.

Member List
Following is a listing of current APEx members. A link has been added for those organisations with a web presence (i.e., clicking on the name will open a new browser window and take you to their site). Additionally, email addresses for information from our member companies have been provided where available.

Organisation Country
Administrador del Mercado Mayorista Guatemala
APX B.V. Holland
Borzen d.o.o. Slovenia
CAMMESA Argentina
EEX Germany
ELEXON Ltd. United Kingdom
Energy Market Authority. Singapore
Energy Market Company Pte Ltd Singapore
ESB National Grid Ireland
ETESA Panama
IPE United Kingdom
ISA Colombia
Independent System Operator of California United States
Korea Power Exchange Republic of Korea
National Grid Company Limited
United Kingdom
NEMMCO Australia
NordPool Norway
Operador del Mercado Ibérico de Energía - Polo Español (OMEL) Spain
Operador del Mercado Ibérico de Energía - Polo Português (OMIP) Portugal
OPCOM Romania
Operator thru Elektrinou a.s. Czech Republic
PJM Interconnection United States
Polish Power Exchange Poland
Power Pool of Alberta Canada
PowerEx Ltd. United Kingdom
Powernext SA France
The Marketplace Company (M-Co)
New Zealand
Transpower NZ Ltd New Zealand
Unidad de Transacciones, S.A. El Salvador
Endex European Energy Derivatives Exchange N.V. Netherlands
   
Associate Members
   
TNB Transmission Sdn Bhd Malaysia
CCEE - Câmara de Comercialização de Energia Elétrica (Electric Energy Commercialization Chamber) Brazil
Gestore del Mercato Elettrico S.p.A. Italy
   
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