Targeted Charging Review decision
Ofgem has published its decision on the Targeted Charging Review.
Ofgem has two main projects that serve as a review of transmission, distribution and balancing charges to facilitate a transition to a more effective network. These are:
- The Access and Forward-looking charges review is looking at the ‘forward-looking charges’. This sends signals to users about the effect of their behaviour and encourages them to use the networks in a particular way; and
- The Targeted Charging Review (TCR). This examines the ‘residual charges’ which recover the fixed costs of providing existing pylons and cables, and the differences in charges faced by smaller distributed generators and larger generators (known as Embedded Benefits).
Specifically, the TCR has evaluated two elements of network charges within the Significant Code Review (SCR) process. These are reforms to how residual charges are set and the non-locational Embedded benefits.
Decision on Residual Charges
Ofgem has decided to implement a fixed residual charge for final demand consumers. These will be levied for transmission charges in 2021 and distribution charges in 2022. These are characterised as a series of fixed bands, including a single fixed charging band for domestic consumers and a range of fixed charging bands for non-domestic customers.
For transmission charges, charges for non-domestic consumers will use a series of fixed charging bands set for all of the country.
Changes to distribution charges will see domestic consumers pay a single residual charge set for each licensed area. Non-domestic consumers will be charged on the basis of a set of fixed charging bands also set for each distribution area.
Bands for non-domestic customers will be determined by a consumer’s voltage level. Where further segmentation is required, further boundaries can be defined based on agreed capacity for larger consumers with readily available data, and net consumption volume for smaller consumers.
The series of fixed charging bands will be published at a national level and will then be set for each Distribution Network Area. Ofgem will review and revise these charging bands and their boundaries as appropriate so that the outcome of such reviews can be implemented alongside of new electricity price controls.
Ofgem believes this to be the strongest option of those considered, as it is the least avoidable leading to minimised harmful distortions. The regulator received feedback from stakeholders supporting its view that the option would help achieve a positive balance across the charging segments.
Decision on ‘non-locational’ Embedded Benefits
The key purpose of the review of Embedded Benefits was to reduce harmful distortions which impact competition and the efficiency of the electricity market. In order to meet this objective, Ofgem has outlined a three-step process to achieve a full reform:
- The implementation of partial reform in 2021, to deliver the benefits to consumers by removing the two Embedded Benefits (the Transmission Generation Residual which will be set to zero and the offsetting of suppliers’ balancing services charges by reducing the Suppliers net imports at the Grid Supply Point) which cause harmful distortions.
- The launch of a second taskforce to consider the application of the TCR principles to balancing services charges.
- The second taskforce’s work and resulting modifications should deliver reforms to balancing services charges.
Implications for Triad
Ofgem has decided that the reform to transmission residual charges should be implemented in 2021 and distribution residual charges in 2022. The regulator believes that this is an appropriate compromise between addressing the largest distortions within the market to deliver consumer benefits, while reducing the distributional impacts on consumers.
A preferred implementation option of April 2021 for transmission residual charge reforms will eliminate the incentive for Triad avoidance in the following winter periods. This leaves one final Triad season to take place over Winter 20/21.
How this may affect consumers
Through the TCR residual charging reforms, Ofgem aims to reduce the distortions caused by the current system. This encourages network users to take measures to lower their contributions to residual charges.
Where residual charges incentivise behaviour – such as load reduction which reduces the share of charges paid for by that user – this results in an increase in the share to be paid by other network users. This in turn increases the incentive for other users – who then pay an increased proportion of the residual charge – to take action to reduce their charges.
It is Ofgem’s view that all final demand users who benefit from the electricity network should pay towards its upkeep in a fair manner.
Under the final TCR decision, Ofgem expects the cost of maintaining the electricity grid to be spread more fairly. As a result, the regulator says that consumers will save £300m yearly, from 2021, with £4bn-£5bn in cumulative consumer savings up to 2040.
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