CE Electric UK
www.ce-electricuk.com
CE Electric UK, 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.

Central Networks
www.central-networks.co.uk
Central Networks is the new name for Midlands Electricity and East Midlands Electricity. The company brings power to 4.8 million customers across the East and West Midlands through 133,000 km of underground and overhead cables and via almost 97,000 substations. Central Networks covers an area from the Peak District in the north to parts of Bristol in the south, and from the Welsh Borders to the Lincolnshire Coast.

EDF Energy
www.edfenergy.co.uk
EDF Energy is one of the largest energy companies in the UK. Over a quarter of the UK population, in London, the South East and East of England benefit from EDF Energy's distribution of electricity. EDF are also a major generator and supply electricity and gas to over 5 million customers through their regional brands: London Energy, SWEB Energy and Seeboard Energy.

Electricity North West Limited
www.enwltd.co.uk
ENW 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 ENW for use of the electricity network. Please note: UUE is now part of ENW.

Operating across mainland UK Fulcrum offers a portfolio of products and services that provide a true end to end multi utility connections and environmental service for all customer categories. As a gas transporter Fulcrum designs, constructs, owns and operates distribution systems.

Inexus
www.inexus.co.uk
The Inexus Group provides a premier service to developers and land-owners through the provision of utility networks and infrastructure assets. Inexus is involved in the design, construction, ownership, operation and maintenance of utility networks and associated site infrastructure, serving new developments throughout the UK mainland.

National Grid
www.ngtgroup.com
National Grid is one of the world's largest utilities, focused on delivering energy safely, reliably and efficiently.They own and operate gas and electricity transmission and gas distribution networks in the UK and US and electricity distribution networks in the US.

Northern Gas Networks
www.northerngasnetworks.co.uk
Northern Gas Networks are the company responsible for distributing gas to homes and businesses across the north of England, an area covering West, East & North Yorkshire, the North East and northern Cumbria. Their network comprises of 36,000 km of gas pipes - that’s enough to travel from Leeds to Sydney, Australia, and back again. Northern Gas Networks are the company responsible for distributing gas to homes and businesses across the north of England, an area covering West, East & North Yorkshire, the North East and northern Cumbria. Their network comprises of 36,000 km of gas pipes - that’s enough to travel from Leeds to Sydney, Australia, and back again. Northern Gas Networks do not own the gas; they transport it on behalf the companies who do, delivering it to users 24 hours every day. Northern Gas Networks is an essential element in the daily heartbeat of the region. Northern Gas Networks take extremely seriously their responsibilities as the provider of the fuel of choice; aiming to provide the best in customer service and to add value in all our activities. They have strong ownership behind us and aim to become an integral part of the communities they serve.

Northern Ireland Electricity plc
www.nie.co.uk
Northern Ireland Electricity plc (NIE), a major subsidiary of the Viridian Group, is responsible for the transmission of electricity to 790,000 homes and businesses in Northern Ireland. The network consists of 2,100 kilometers of transmission curcuits and 43,000 kilometres of distribution circuits.

Scottish and Southern Energy
www.scottish-southern.co.uk
Scottish and Southern Energy (SSE) owns one transmission network and two distribution networks totalling 123,000 km of overhead lines and underground cables. The company covers one third of the UK landmass and delivers electricity to over 3.3 million customers. In addition to its networks business, SSE supplies gas and electricity to over eight million customers, it is the largest generator of renewable energy in the UK and it is involved in energy services, gas storage, contracting, retailing and telecoms.

Scotia Gas Networks (SGN) is the holding company of Scotland Gas Networks, Southern Gas Networks, SGN Connections, SGN Contracting and SGN Metering. Formed on 1 June 2005, SGN is now the UK’s second largest gas distribution company, operating two of the largest regional gas networks. With operational regions covering over 50% of the UK landmass and employing around 4,000 staff, SGN provides a safe and reliable supply of natural gas to 5.7 million customers through 74,000 kilometres of gas mains.

ScottishPower
www.scottishpower.com
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.

Wales & West Utilities Ltd
www.wwutilities.co.uk
Wales & West Utilities Ltd - formerly part of Transco - was launched on 1st June 2005. As a regulated gas distribution business with around 34,000 km of gas distribution pipelines located in Wales and the South West of England, the company's main offices are in Newport and it serves a catchment area with a population of 7.4 million. Wales & West Utilities' primary role - undertaken on behalf of 'gas suppliers' - is to transport gas to the gas meters of homes and businesses in Wales and the South West of England, from the Northern Welsh border to Cornwall.