Company Story
1994 - REN was founded as a result of the reorganization of the Portuguese electricity sector.
1996 - REN began operating as an independent transmission system operator.
1998 - REN was granted a concession to operate the national transmission grid.
2000 - REN started operating in the natural gas sector.
2004 - REN was listed on the Euronext Lisbon stock exchange.
2007 - REN acquired a stake in the Portuguese gas distributor, Galp Energia.
2012 - REN expanded its operations to the Brazilian market.
2015 - REN acquired a stake in the Portuguese renewable energy company, EDP Renováveis.
2019 - REN launched its first green bond issue, worth €750 million.