ENA Members



Electricity North West

Electricity North West owns the electricity distribution network in North West England, distributing electricity to customers’ homes on behalf of the supply companies. Serving 2.3 million customers in the North West of England. Customers receive their electricity bill from supply companies who pay Electricity North West for use of the electricity network. Please note: UUE is now part of Electricity North West.


Gas Networks Ireland


Gas Networks Ireland, previously know as Bord Gáis Éireann (Bord Gáis), was established in 1976 and is a commercial State body operating in the energy industry. Bord Gáis Networks develops, operates and maintains the natural gas transmission and distribution networks in Ireland and provides gas transportation services to suppliers and shippers, including Bord Gáis Energy. The natural gas network consists of 13,150km of gas pipelines, including two sub-sea interconnectors with Scotland from where Ireland gets over 93% of its gas supplies. This work is carried out on behalf of Gaslink, the independent gas system operator for Ireland. Bord Gáis Networks is also responsible for new gas connections and for work on service pipes and meters at customers' premises.

GTC Logo

GTC owns and operates utility infrastructure assets throughout Great Britain serving approximately half a million customers. It does this principally through its licensed gas transportation and electricity distribution businesses, GTC Pipelines Limited and The Electricity Network Company Limited. GTC works with all of the UK’s leading developers and house builders to provide infrastructure to new developments through direct build by GTC’s accredited construction arm or through adoption from accredited network providers.


Northern Powergrid


Northern Powergrid, through its subsidiaries Northern Electric Distribution and Yorkshire Electricity Distribution, delivers electricity to 3.7 million customers throughout the North East of England, Yorkshire and north Lincolnshire. It is owned by MidAmerican Energy Holdings Company.

Scottish Power

With the integration of ScottishPower & Iberdrola now complete ScottishPower is focused on three main areas; Transport & Distribution through Energy Networks, Generation & Supply through Energy Wholesale & Retail and Canadian gas storage through PPM Canada.


Western Power Distribution Logo

Western Power Distribution operates and maintains the electricity distribution network in the Midlands, South Wales and the South West. It delivers electricity to 7.6 million customers over a 55,300 sq kms service area.