Ofgem consults on network charging reforms

Ofgem consults on network charging reforms

Ofgem is consulting on reforms to the way some electricity network charges are set.

More homes, public bodies and businesses are generating electricity on-site, particularly from renewables such as solar power, and taking less electricity from the grid. They still rely on the grid, for example, on dark winter evenings when solar power cannot generate electricity.

The costs of the pylons and cables that make up the grid are recovered through electricity network charges which amount to around £9 billion per year. They are ultimately reflected in energy bills paid by consumers.

There are different types of network charges. Forward-looking charges tell generators and other users of the system how much their usage of the network will increase or decrease costs for network companies in future. Ofgem's consultation focuses on residual charges which provide the additional revenue that the companies are allowed to recover for running the networks, under Ofgem's price controls.

Under the current network charging system, these residual charges are based on how much electricity consumers take from the grid. Users who generate electricity themselves on site can avoid a lot of these charges even though they use the grid as back-up. As a result, consumers that take all their electricity from the grid, including households which have not installed solar panels or other renewables, pay more of these charges.

Ofgem's proposed charging reforms will ensure these charges for the grid are shared fairly between all consumers. In a consultation, the regulator has set out its preference to introduce fixed residual charges for all households and businesses rather than charges based on the amount of electricity they take from the grid under the current charging system. They would be broadly similar to fixed telephone line rental arrangements.

Ofgem is asking for views on whether the changes should be implemented in 2021 or phased in between 2021 and 2023.

In addition, Ofgem is proposing to remove some of the differences in the way that smaller generators connected to the distribution network are charged compared to larger generators.  Removing some of these remaining ‘embedded benefits' will lead to significant savings for consumers, and Ofgem is asking for views on whether these changes should be implemented in 2020 or 2021.

Next month, Ofgem will announce the next steps for putting in place tougher price controls for energy networks from 2021, and freeing up electricity network capacity so it can be used more efficiently. 


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Ofgem has outlined plans for a major review of network charging to examine concerns that some consumers are paying too much towards to the cost of the grid and others too little.

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New challenges have forced National Grid to review transmission charges to ensure a “level playing field” for emerging technologies such as demand side response and battery storage.

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Ofgem has published proposals to alter the network charges paid by storage to prevent it being charged twice as both generation and demand.