Glossary

The Climate Change Levy (CCL) is an environmental tax charged on the energy that businesses use. It’s a means of encouraging businesses to operate in a more energy efficient way.  

Capacity Market is an auction set up by the government to ensure a certain amount of baseload capacity is available during periods of high demand. Generators and batteries can enter the auction which guarantees them a price to supply baseload power during those high demand periods. 

Distribution Network use of System. These are charges applied to suppliers to cover the use and maintenance of the electricity local distribution networks for each meter they supply. The charges vary depending on the meter type and region within the country. DUoS encompasses a series of charges that can be applicable dependant on the meter type, these include: DUoS RAG (Red/Amber/Green), Fixed DUoS, Available Capacity, Excess Capacity, Reactive Power. 

A government scheme that pays small renewable generators for the power they produce.  

The networks that transport energy from its source to its end destination.

A small device that you plug into the mains that will show you data from your smart meter. 

This is the unit of measurement for energy. A typical household might use 8kWh of electricity in a day.

A measure of power output or demand of a particular electronic device or appliance. 

A unit of measurement for energy, equal to 1,000 kilowatt hours.  

A unique 13 digit reference number for each electricity supply point. 

Nuclear Regulated Asset Base. These charges are applied to suppliers to cover the costs of bringing new nuclear assets (power plants) online and connected to the transmission network. 

The Company that owns the electricity transmission network and the gas pipeline network.  

A non-ministerial government department that regulates and oversees Britain’s energy market. 

A certificate of guarantee that is produced alongside every megawatt hour of renewable electricity. In the current energy market, REGOs can be sold separately from the unit of electricity.   

A fixed daily amount that customers pay, no matter how much energy they use. This charge covers the cost of supplying the property with gas and electricity, including the cost of maintaining the power lines.  

Meters that automatically pass accurate meter readings to energy suppliers, and help customers to understand their usage in real time.

Transmission Network use of System. These are charges applied to suppliers to cover the use and maintenance of the electricity transmission network for each meter they supply. The charges vary depending on the meter type, region, and times of electricity consumption. 

The energy market where suppliers, generators, traders and customers sell and purchase electricity and gas of all generation types.