Choosing Your Supply

What is the Market Structure?

The so-called "Big Six" companies dominate energy supplies to homes and businesses across all regions of the UK.

All providers are regulated by the Ofgem code of conduct to ensure fair play.

The independent players such as Opus, CNG and First Utility all offer competitive pricing structures often beating the market leaders. All buy fuel on the open wholesale market and add in transmission costs using the same infrastructure already in place.

Which Provider is Best for You?

The 4.1million SME business category is the largest sector by the total number of sites. The 120,000 industrial and half hourly segment is largest by volume.

Small and Micro Businesses

Internal objectives for most suppliers is to target an improving market share by volume of customers. This growth strategy benefits business owners with the lowest consumption because pricing in this sector is typically competitive.

Use the following checklist when considering your options.

Although a price alone may be the deciding factor, wholesale market trends should be taken into account when deciding the length of your agreement.

Most standard meters begin with the numbers 01, 02, 03 or 04 with so-called "max demand" classes starting with 05, 06, 07 or 08.

Large Consumption Users

The tendering process for 00-class meters requires specialist knowledge, techniques and procedures for effective procurement. Read more about half hourly meters here.

The Main UK Suppliers

BG BusinessBritish Gas is the industry leader providing energy to over 1 million UK businesses. Owned by Centrica, they guarantee to beat any renewal quote.

EonEon Energy UK, formally known as PowerGen, is the largest global shareholder-owned utility company serving over 26 million customers.

NpowerNpower is part of the German power group RWE. It supplies residential and business customers directly including the Utility Warehouse Group.

ScottishpowerScottishpower is a subsidiary of the Spanish utility company Iberdrola. Although based in Scotland, it supplies the whole of the UK.

Opus EnergyOpus is a specialist operator in the UK with over 130,000 business customers. Each new contract receives the installation of a free smart meter.

SSESSE is the parent company for Scottish Hydro, Southern Electric, Airtricity and SWALEC. They're the 2nd largest company after Centrica.

EDFOwned by Electricite de France, EDF and British Energy are the largest electricity producer in the UK supplying over 5,500,000 properties.

Total GPTotal Gas and Power is owned by the French Total group. TGP is the largest UK industrial gas supplier with over 75,000 UK customers.

Dual EnergyDual Energy is a B2B focused organisation that provide new smart meters for each new customer. 98% of their customers renew their annual contracts.

GazpromGazprom supplies over 11,000 UK businesses and with gas supplies equating to a 10% market share. Their UK operations began in 2006.

CNGContract Natural Gas (CNG) are the largest privately owned gas company in the UK and began operations in 1994.

Electricity meters

Big Six or Others?

Most buyers choose one of the well-known branded operators for their power source, but numerous other options are available.

The regulator protects you against any loss of supply during the switching of contracts.

Not all operators service all regions of the UK or provide all types of fuel.

Some install smart meters with the added benefits of data analysis.