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Read our full response to the cap announcement: bit.ly/4n19GIm

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However, while the wholesale part of the bill is predicted to reduce, the January cap is expected to introduce new non-wholesale elements. Chief among these is the Regulated Asset Base (RAB) - to support investment in nuclear power stations - expected to add just under £10 a year to a typical bill.

October 2025 Breakdown:

⚡ Electricity: 26.29p/kWh (Standing charge: 54p/day)

🔥 Gas: 6.19p/kWh (Standing charge: 33p/day)

💡 Looking for predictions out to 2030? Learn about our Default Tariff Cap Predictor: www.cornwall-insight.com/analysis/for...

What's impacting the cap?

📈 Expansion of the Warm Home Discount scheme - adding ~£15 to typical bills while supporting 2.7 million additional vulnerable households with £150 support.

📉 Volatile but generally declining wholesale prices.

📈 Adjustments to the modelling of certain inputs for the cap.

Want price cap predictions modelled out to 2030, alongside in-depth analysis on the cap? Our Default Tariff Cap Predictor is for you: www.cornwall-insight.com/analysis/for...

Another small decrease is forecast in January, but a volatile market and changes to the non-wholesale costs mean forecasts remain subject to change.

Breakdown of October 2025 forecasts:
Standing Charge (£/day): Elec-0.51, Gas-0.30
Unit Costs (p/kWh): Elec-26.17, Gas-6.02