BIG POWER – Projecto e Fiscalização de Instalações de Alta Tensão Lda was established in December 2003.

In 2005 is qualified by pela REN – Redes Energéticas Nacionais, S.A., as a project provider of VHV (Very High Voltage) power lines and substations.

In January 2007 is qualified as a service provider for EDP - Energias de Portugal.

In June 2007 is certified by eiC – Empresa Internacional de Certificação, according to NP EN ISO 9001 and NP 4397 (OSHAS 18001).

In 2008 begins providing training services in Angola, where it also conducts project analysis, testing and comissioning.