Your Energy Bills Are Going Up Again — Here's What You Can Do

Households in Great Britain could save up to £173 a year by switching from a default energy tariff to a fixed deal, after Ofgem confirmed a 4% increase to the energy price cap starting 1 October 2026 (The Guardian).

The cap applies to a typical household that uses both gas and electricity and pays by Direct Debit. It will rise from £1,663 to £1,723 per year — that's an extra £60 a year, or £5 a month. This is the second increase in three months. A 13% rise already took effect at the start of July 2026 (Ofgem). Before that, the cap had actually fallen by £117, or 7%, for the period from 1 April to 30 June 2026 (Ofgem).

Ofgem is the energy regulator for Great Britain. It sets the price cap every three months. The cap affects roughly 22 million households on default tariffs. A default tariff is the standard plan you're put on if you've never switched or if your previous fixed deal ended. The price you pay per unit of energy can go up or down depending on what's happening in the wholesale market — where energy companies buy gas and electricity in bulk. About 11 million homes, or 35% of the total, are already on fixed tariffs and will not be affected by the October rise.

The reason behind the increase is rooted in world events. Reuters reported that the October 2026 cap rise was driven by the Iran war pushing up gas prices (Reuters). A conflict in one part of the world can raise gas prices, and those higher prices flow through to UK household bills. This has been a pattern since 2022, when wholesale gas market shocks sent energy prices soaring. The UK relies heavily on gas for both heating and generating electricity, so gas price changes feed quickly into bills.

Ofgem said fixed tariffs were available at £100 or more below the October price cap level. The cheapest deal identified was a Fuse Energy fixed tariff priced at £1,550 a year for a typical-usage home. That's £173 below the October cap and £113 below the current cap. This deal comes in multiple variants, including a 14-month plan (Fuse Energy August 2026 Fixed 14m V1) and an 18-month plan (Fuse Energy August 2026 Fixed 18m V10). Other suppliers, including Co-op Energy, Octopus Energy, E.ON Next, and Ecotricity, were also offering fixed deals with typical savings exceeding £100 per year against the October cap.

The outlook offers little relief. Analysts at Cornwall Insight forecast that energy bills would rise by a further 9% in January 2027. If that happens, it would be the third quarterly increase in a row (The Guardian).

A fixed tariff works like locking in a price. You agree on a unit rate and a daily standing charge for a set period, and your price stays the same even if the cap goes up. The catch is that if wholesale prices fall, you don't automatically benefit until your fixed term ends. With analysts forecasting further rises rather than declines, fixing looks like the better bet right now.

The broader context here is that the price cap was originally designed as a safety net, not as the plan most people would end up on. Ofgem's stated mission is to protect energy consumers, particularly vulnerable people, by ensuring fair treatment and a cleaner, greener environment. The quarterly cap adjustment cycle was introduced to track wholesale markets more closely. But it has created a situation where staying on the default tariff means accepting price changes driven by events entirely outside your control.

The fact that roughly two-thirds of households are still on default tariffs suggests inertia, lack of awareness, or barriers to switching that the market hasn't fully solved. The £173 maximum saving is a significant amount for low-income households. Yet 22 million homes remain on default tariffs, which suggests the potential savings alone haven't been enough to push people to switch. With two consecutive cap rises and a third forecast, that inertia may carry a steeper price in the months ahead.