Millions of households will face a higher energy price cap from October after regulator Ofgem announced a 4% increase.

The change establishes the scale and timing of the adjustment, but the available announcement does not give the resulting cap figure in cash terms. It also does not provide sample bills showing how much more affected households could pay after the change takes effect.

That means the headline percentage should not, on the evidence currently available, be treated as a precise forecast for every household bill. Ofgem’s statement confirms that millions will be affected, but it does not set out the individual financial impact or distinguish between different household circumstances.

The evidence supplied also does not explain why the cap is increasing or identify any other changes that will accompany the October adjustment. Details about the households covered, as well as the exact monetary difference between the current and new cap, are not included.

For consumers, the immediate practical point is that the regulated limit will be 4% higher from October. Households seeking to prepare for the change will need the full cap figure and information relevant to their own arrangements before they can determine what it means in cash terms.