Why would high oil prices affect UK energy bills?

Oil does not set the Ofgem cap, but it raises shipping, insurance, and production costs across energy markets. Chris O'Shea notes that disruption in the Strait of Hormuz can push up fuel benchmarks and risk premia. These pressures lift wholesale power and gas inputs that flow into UK energy bills.

How much could bills rise and when?

Based on the Cornwall Insight forecast, the Ofgem price cap could increase by about £332 from July if current markets persist. That would push a typical annual bill closer to £2,000. Chris O'Shea warns this scenario is plausible while oil stays high and shipping routes remain disrupted.

Should I fix my tariff now or wait?

If a fixed deal is priced near the expected cap and suits your usage, it can give certainty. If it is far above, waiting may be better. Contact your supplier for support and check eligibility for discounts or credits before making a decision.

What should investors watch in the coming months?

Monitor Ofgem cap updates, UK CPI from July, Bank of England decisions, and company disclosures on hedging, arrears, and cash conversion. Chris O'Shea’s remarks imply oil benchmarks, UK gas futures, and shipping insurance rates are critical signals for utilities, retailers, and broader consumer-facing shares.

Global Market Insights

March 23: British Gas Chief Says UK Bills May Rise £332 if Oil Stays High

ByDanny Kontos March 23, 2026March 23, 2026

Chris O’Shea, chief executive of Centrica British Gas, warns that UK energy bills could jump if oil prices stay high due to tensions in the Strait of Hormuz. Market watchers now flag a potential £332 increase in the Ofgem price cap from July, based on a Cornwall Insight forecast. This would lift the average annual bill closer to £2,000 and add pressure on inflation. We explain what is driving costs, the policy debate, and what households and investors should watch next.