ScottishPower also runs onshore and offshore wind farms in the UK (Tom Leese/PA) Distribution network operators are licensed companies that own and operate the network of towers, transformers, cables and meters that carry electricity from the main transmission grid to large geographical areas, such as Manchester or Merseyside. Until the deal goes through, there are 14 licensed DNOs across Great Britain, owned by six different parent groups. Ignacio Galan, executive chairman of Iberdrola, said: "This transaction reinforces our commitment to investing significantly in electricity networks, which are a critical component for supporting the electrification and decarbonisation of the economy. "The agreement is also consistent with our strategy to invest in countries that have ambitious investment plans and stable and predictable regulations. "As a result of this acquisition, our regulated networks asset base in the UK is now valued at 14 billion euros (£11.9 billion).