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Targeted charging review: What you need to know

Ofgem has now confirmed they will press on with reform to residual charges under the Targeted Charging Review, a move positioned as an effort to modernise the electricity network as well as spreading costs more fairly between businesses and consumers.

National Grid say it will ultimately save as much as £300 million per year from 2021 onwards. However, it means that those businesses that already have effective Triad-avoidance techniques in place will likely see costs increase.

Embedded generators will also see further reductions in embedded benefits, which are currently earned by spilling electricity to the local distribution network. The full impact of the changes will likely not be clear until National Grid clarify individual bands and tariffs, possibly early next year. However, the findings of the review do set out a number of changes that will impact on individual businesses.

What Are the Changes?

Residual charges will now be covered

The existing Triad system will be replaced with a fixed charge methodology from 2021. This comes earlier than many large energy users had hoped. Ofgem had come under a lot of pressure to delay any changes until 2023, to align with a significant code review for DUoS charges and the start of RIIO2 for distribution companies, but ultimately decided that they had a legal duty to implement any cost savings at the earliest possible opportunity.

This means that  consumers, who currently reduce imported electricity consumption during Triad periods will no-longer be able to avoid paying Transmission Network Use of System (TNUoS) charges from 2021 onwards.,

It will also see the end of embedded benefits for those organisations with on-site generation capacity that had previously used it to export during Triad periods. These benefits are already being withdrawn and for embedded generators and in Northern England and Scotland will either be zero or very small before this date. The main losers will be exporters in the South.

For metered supply with no agreed capacity, charging bands will be based on net volumes of consumption. For half-hourly metering, charges will vary depending on agreed capacity and voltage level. Rates will vary for different regions.

Changes to distribution residual charges will follow in 2022, while Ofgem continues to review further changes to Distribution Use of System (DUoS) and Balancing Use of System (BSUoS) charges, which are expected to be introduced in 2023.

What it means for Businesses

Energy-intensive businesses drawing high baseload with high voltage connections and no current Triad avoidance measures will expect to see a cost reduction. In some cases, securing an agreed capacity reduction or voltage reclassification will be beneficial.

The biggest impact will likely be on those businesses that are already employing Triad-avoidance measures, such as switching to back-up generation or reducing demand during Triad periods, as this will no longer provide the cost reduction impact it did under the previous scheme.

Any organisations currently exporting energy during Triad periods will see a further reduction in embedded benefits. This will particularly impact those utilising wind or CHP, while solar will be less impacted as Triad periods invariably fall during hours of darkness when solar PV is not generating.

The precise impact on each consumer will not be clear until National Grid produce their first tariff forecasts for 2021/22, which will hopefully be early next year. However, the new charging methodology will create winners and losers with the potential of using creative ideas to reduce these costs.

To speak to our specialists about how these will affect your business, contact us on 08451 46 36 26.