Nick Jarrold’s Post

National Grid ESO published its summer update of forecast Transmission Network Use of System (TNUoS) tariffs to apply for 2025/26, on 31 July. 📉 Forecast tariff levels have seen an overall slight decrease since the initial forecast in April. However, there’s a significant amount of regional variation to these movements... check out the chart below 👇 Explore Daniel Starman's latest Intelligence article on Drax Energy Solutions to understand how the updated forecast could impact your organisation: https://lnkd.in/d_e9CBkJ

  • National Grid Electricity System Operator (ESO) published its summer update of forecast Transmission Network Use of System (TNUoS) tariffs to apply for 2025/26, on 31 July.

Forecast tariff levels have seen an overall slight decrease since the initial forecast in April. In part, this is due to a 1.1% reduction in the amount of revenue to be recovered from demand users of the system. An updated site count forecast has driven some deviations from this average reduction.

Both the forecast half-hourly (HH) and non half-hourly (NHH) average tariffs have also fallen. The ESO reports that the average HH gross tariff forecast has reduced £1.13/kW to £6.64/kW and the average NHH tariff is forecast to dip 0.07p/kWh to 0.30p/kWh.

However, there’s a significant amount of regional variation to these movements.

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