Network charges refer to the cost of building, operating and maintaining the energy distribution networks that deliver electricity and gas to businesses across Britain.

Business energy suppliers incur network costs as they transport the electricity and gas from where its generated, produced or imported to your property.

After the wholesale cost of purchasing electricity and gas, network charges are the next most significant item that goes into business energy bills.

This guide will look at what’s included within network costs.

What are business energy network costs?

The distribution network for electricity and gas work quite differently; let’s look at what’s involved in each:

Gas network costs

Natural gas enters the British network through three undersea pipelines when imported from the European market or from the North Sea gas fields.

The business energy suppliers pay the operators of the gas pipe network to move the gas to commercial properties.

Several different gas transporters operate the British gas network. Gas transporters are a natural monopoly, so Ofgem heavily regulates the amount they can charge. The network charges are set annually and published by each transporter. The gas network costs are composed of:

  • Commodity charges – A charge per kWh of gas delivered through the network
  • Capacity charges – A charge based upon the peak flow of gas required.
  • Fixed costs: Standing charges for continued use of the network.
Electricity network costs

Electricity enters the British network from generators, with the most prominent sources coming from:

  • Wind Energy – Both onshore and offshore wind farms
  • Nuclear Energy – Nuclear Power plants across the UK
  • Gas-fired power plants – Plants converting natural gas to electricity across the country

The electricity distribution network has three layers:

  • The national grid – The high voltage network connecting the regional networks
  • Distribution network operators – Six regional network operators
  • Independent distribution network operators – Local smaller networks

Each separate network levies a standing charge and unit rate for business energy suppliers using the networks.

Separately business energy suppliers incur system charges. System charges are the cost of managing the entire electricity network to ensure a balance between generators and users. System operators ensure enough electricity in the grid to meet demand and avoid blackouts.

Are business energy network costs going up?

Unlike wholesale energy costs, energy network costs are stable.

The cost of expanding, operating and maintaining British energy infrastructure increases yearly with inflation. All network costs are published annually by each component of the energy distribution networks.

In Ofgem’s plan for 2028, it intends to improve the efficiency of network operators to reduce network costs incurred by consumers.

How do energy network costs affect my bill?

When business energy provide quotes, they consider that they will need to pay network costs during your contract.

Only in a pass-through tariff will your business energy supplier directly charge you for network costs they’ve incurred. In this tariff, network costs and wholesale costs will be broken out separately on your business energy bill.

Network costs depend on where your property is located. That’s why we will always ask for the address of your property in our business energy comparison service. Request quotes tailored to your business today:



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