Liam Faulkner, chief operating officer of Naturgy

Energy supplier Vayu is changing its name to Naturgy as part of the global rebranding of its parent, Spanish group Gas Natural Fenosa (GNF). Vayu sup(...)

Catalan president Carles Puigdemont  is applauded after  addressing the region’s parliament in Barcelona. Photograph: Quique Garcia/EPA

The Spanish cabinet has met to work out its response to an announcement from the head of the wealthy Catalonia region that he was proceeding with a de(...)

A man wearing a Spanish flag gives “free hugs” in central Barcelona, Spain. Photograph: Ivan Alvarado/Reuters

Tensions between Barcelona and Madrid showed little sign of slackening ahead of a widely anticipated appearance in the northeastern region’s parliamen(...)

A group of pro-union supporters demonstrate in a square in Sabadell, Calatonia, on Friday. Photograph: Juan Medina/Reuters

A flurry of movement of major businesses out of Catalonia appears to have sown doubts within the region’s separatist government about plans to issue (...)

Vayu energy efficiency manager Ciaran Gahan pictured at the launch of the company’s new fund

Energy supplier Vayu has launched a new fund that it says will allow clients to cut their bills by investing in new equipment. The company says that (...)

Eddie O’Connor, chief executive of Mainstream: “Today’s win underpins Mainstream’s standing as the leading independent renewable energy company in high-growth emerging energy markets”

Eddie O’Connor’s Mainstream Renewable Power has won contracts from the Chilean government to build and run $1.65 billion (€1.46 billion) of wind and s(...)

Perils of protest: Not only does Catalonia risk leaving the euro, it could could also see FC Barcelona barred from playing in the Spanish league. Photograph: Gerard Julien/AFP/Getty Images

Catalonia would be excluded from the European Union if it broke away from Spain, according to opponents of the region’s independence drive. They also (...)

Repsol’s shares on Madrid’s stock exchange. Repsol will take on $4.7 billion of acquisition traget Talisman’s debt.

Spain’s Repsol has agreed to buy Talisman Energy, Canada’s fifth-largest independent oil producer, for $8.3 billion as the drop in oil prices pushes e(...)