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. 

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. 

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.