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ERSE - Entidade Reguladora do Sector Eléctrico
http://www.erse.pt
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OMIP - Operador do Mercado Ibérico de Energia
http://www.omip.pt/
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EURELECTRIC - The Union of the Electricity Industry
http://www.eurelectric.org
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CIGRÉ - International Conference on Large High Voltage Electric Systems
http://www.cigre.org
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CENELEC - European Committe for Electrotechnical Standardization
http://www.cenelec.org
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APEX - Association of Power Exchanges
http://www.theapex.org
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OMEL - Compañía Operadora del Mercado Español de Electricidad, SA
http://www.omel.es
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REE - Red Electrica de España
http://www.ree.es
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CNE – Comissão Nacional de Energia (Espanha)
http://www.cne.es/
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União Europeia
http://europa.eu.int/comm/index_en.htm
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