Network Operators
Cadent is the UK’s largest gas distribution network with a 200-year legacy. We are in a unique position to build on strong foundations whilst encouraging the curiosity to think differently and the courage to embrace change. Day to day we continue to operate, maintain and innovate the UK’s largest gas network, transporting gas safely and protecting people in an emergency. Our skilled engineers and specialists remain committed to the communities we serve, working day and night to ensure gas reaches 11 million homes from Cumbria to North London and the welsh borders to East Anglia, to keep your energy flowing.

Cadent manages the national gas emergency service free phone line on behalf of the gas industry - 0800 111 999*
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Electricity North West owns, operates and maintains the North West’s electricity distribution network, connecting 2.4 million properties, and more than 5 million people in the region to the National Grid.

We own one of the original 14 regulated electricity distribution networks in England, Wales and Scotland and are regulated by Ofgem - the Office of the gas and electricity markets.

Our network covers a diverse range of terrain, from isolated farms in rural areas such as Cumbria, to areas of heavy industry and urban populations including Manchester.
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National Grid are an international electricity and gas company based in the UK and northeastern US. We play a vital role in connecting millions of people safely, reliably and efficiently to the energy they use.

National Grid Electricity has two roles in the United Kingdom:

Electricity transmission owner
We own the electricity transmission system in England and Wales. Our electricity assets comprise approximately 7,200 kilometres of overhead line, about 690 kilometres of underground cable and 337 substations at 241 sites.

Electricity system operator
We are the Great Britain System Operator, responsible for managing the operations of both the England and Wales transmission system that we own and also the two high voltage electricity transmission networks in Scotland. Day-to-day operation of the Great Britain electricity transmission system involves the continuous real-time matching of demand and generation output, ensuring the stability and security of the power system and the maintenance of satisfactory voltage and frequency. We are also designated as system operator for the new offshore electricity transmission regime.
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National Grid are an international electricity and gas company based in the UK and northeastern US. We play a vital role in connecting millions of people safely, reliably and efficiently to the energy they use.

In the UK, gas leaves the transmission system and enters the distribution networks at high pressure. It is then transported through a number of reducing pressure tiers until it is finally delivered to consumers. There are eight regional distribution networks, four of which are owned by National Grid. Our UK distribution networks deliver gas to around 10.9 million consumers.
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National Grid Gas Transmission plays a vital part in the secure transportation of gas and facilitation of the competitive gas market. The National Transmission System (NTS) is a network of pipelines, presently operated at pressures of up to 94 bar, which transports gas safely and efficiently from coastal terminals and storage facilities to exit points from the system. At the exit points, the gas is transferred to Distribution Networks for onward transportation to domestic and industrial customers, directly connected customers and interconnectors (pipelines to other countries).

National Grid Gas Transmission’s goal is to continuously improve our business, through both technical and commercial innovation that delivers value for consumers and our other stakeholders. This will help us to develop our knowledge in order to provide a safe, efficient and reliable network, which meets our customers’ requirements and safeguards our environment.
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Since we started operating in 2005, we’ve been leading the way as one of the most cost-efficient of the UK’s eight gas distribution networks. We deliver great value for money to our customers, as well as a whole host of social and economic benefits to our region. We’re recognised as a dynamic, passionate, conscious and people-focused team that safely and reliably delivers gas to over 2.7 million homes and businesses across the North East, northern Cumbria and much of Yorkshire. Although we don’t source the gas, fix boilers and appliances, or get involved with plumbing, we work with those that do to deliver it through a vast network of underground pipes that are constantly being invested in and upgraded. It’s more complicated than it sounds so we’re always exploring cutting-edge thinking, revolutionary engineering practices and world-class science to find new ways to provide sustainable sources of energy. And while our customers may not see us very often, they can sleep soundly knowing that we’re working around the clock to keep them connected and make sure they stay safe. For more information visit our website www.northerngasnetworks.co.uk
Alternatively, like us on Facebook Facebook.com/northerngasnetworks or follow us on Twitter @NGNgas
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You may not know who we are but we keep the lights on, the kettles boiling and the phones charged for 8 million people across the Northeast, Yorkshire and north Lincolnshire.

Put simply, we make sure the electricity you buy from your energy supplier gets to you safely, whenever you need it. And, if your power ever gets interrupted, for whatever reason, be it extreme weather or emergency maintenance, we’ll be there immediately to fix it - giving 100% day and night, rain and shine, Sundays, Mondays and Christmas days.

Our always-prepared team of energy experts live in your communities, proud to play an essential role in keeping the power flowing to all the homes and businesses they serve.”
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Scottish and Southern Electricity Networks forms part of the FTSE-50 energy company, SSE.


Our electricity distribution and transmission networks carry electricity to over 3.7 million homes and businesses across the north of the Central Belt of Scotland and also Central Southern England.


Our skilled teams are based right across the regions we serve, from the bustle of West London to the smallest villages in the Highlands and Islands of Scotland. They are supported by engineering and customer service teams based in major offices and depots in centres like Reading, Portsmouth, Perth and Inverness.

• Over 4,000 employees, working from 85 depots and offices in the heart of the community.
• 130,000km of overhead lines and underground cables
• 106,000 substations
• Over 100 subsea cables, powering island communities
• 3.7m customers served by our networks across central southern England (over 2.9m) and the north of Scotland (740,000)
• Last year we handled over 550,000 calls from our customers, over 1,500 a day
• Last year we gave £1m to local community projects through our Resilient Communities Fund
• Over 450,000 vulnerable customers identified on our Priority Services Register with 11,000 assisted during power outages last year


We're responsible for maintaining the electricity networks supplying over 3.7 million homes and businesses across central southern England and north of the Central Belt of Scotland.

We own one electricity transmission network and two electricity distribution networks, comprising 106,000 substations and 130,000 km of overhead lines and underground cables across one third of the UK.

Our first priority is to provide a safe and reliable supply of electricity to the communities we serve in Scotland and England.
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We manage the network that distributes natural and green gas to 5.9 million homes and businesses across Scotland and the south of England. Whoever your supplier is, our pipes deliver gas safely, reliably and efficiently to every one of our customers. It's your gas, in our network.

Our promises to our customers shape who we are. They ensure we employ the highest safety standards, strive for the best levels of service and put customers at the centre of everything we do. We also know we are expected to do our work in a way that causes minimum impact on our environment.
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SP Energy Networks is part of the ScottishPower Group of companies. We provide power on behalf of supply companies through a network of cables and power lines that we own and maintain.

We do it responsibly. We do it with respect for people and for the environment. We do it looking at the long term, not just today. We do it innovatively.

We're dedicated to delivering a safe and reliable electricity supply to all of our customers 24 hours a day, every day of the year. Through our transmission and distribution network we provide power to:
• 1.5 million customers in Merseyside, Cheshire, North Wales and North Shropshire*
• 2 million customers in Central and Southern Scotland*

Our Distribution Network
It's our job to move electricity to and from homes and businesses over our network.

Our Transmissions Network
We take electricity generated from power stations, windfarms and various other utilities and transport it through our vast transmission network.

Network Connections
Another important part of our business is providing customers with new or upgraded connections to our network.
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We own and maintain electricity cables and lines across London, the South East and East of England making sure your lights stay on. We maintain and upgrade power equipment. We move and connect new electricity cables. Check if we cover your area here. We’ve changed names so you may know of us as the electricity board or other names.
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Every day at Wales & West Utilities, our team of more than 1,300 skilled and dedicated colleagues do their very best to keep our 7.5 million customers safe and warm, with gas connections and a gas supply they can rely on combined with a level of service they can trust.

We don’t sell gas; instead we use our extensive pipeline to transport gas to homes and businesses throughout Wales and the south west of England. This involves maintaining and replacing our gas pipe network, connecting new properties and responding to customer gas emergencies.

We launched Wales & West Utilities in 2005, and since then we have worked hard to build our impressive and established reputation for delivering excellent customer service with safety, reliability and value for money at the heart of everything we do.

We are there for our customers 24 hours a day, 365 days a year – it’s a vital service and one that we are extremely proud to deliver.

Where we work – Gas Connections & Gas Pipe Replacement
We own and maintain more than 35,000 kilometres of gas pipes – enough to stretch from the UK to New Zealand and back again! Using those pipes – most of which lie hidden beneath your feet - we supply gas to around 2.5 million households and businesses, with a population of 7.5 million people. We cover an area that stretches from the mountains of North Wales to the cliff tops of Cornwall. The regions we serve are a mixture of cities, towns, villages and open countryside. Of course we’re biased, but we think they're some of the most beautiful places in the world.
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Western Power Distribution is the company responsible for electricity distribution in the Midlands, South West and Wales. Our business serves over 7.8 million customers and we employ over 6,000 members of staff to ensure the highest quality of service.

We are regulated by Ofgem (the Office of the Gas and Electricity Markets) and we are very proud to have been awarded the Government's Charter Mark, now known as the Customer Service Excellence award, since 1992.
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