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Latest Insights
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Breaking the Link: Inside the Government’s New Gas and Power Price Plans
The Government announced it will introduce measures to decrease the pressure that gas exerts on the electricity price in GB. What could this mean for the GB energy market?
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Comment on NESO’s Reformed National Pricing proposal
This paper is intended to provide analysis to support NESO in its consideration of the potential impacts of changing Gate Closure in line with the stated purpose of the Call…
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The Future of Renewables Obligation: Part 2 – Post subsidy Routes to Market
Navigating life after the Renewables Obligation (RO) and the challenge of sustaining revenues. From March 2027, the earliest RO-accredited assets will begin to roll off the scheme, marking a major…
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One Month On: How the Middle East Conflict Reshaped Global Energy Markets
Just over a month since the conflict in the Middle East began, its impact is being felt across global energy markets. Cornwall Insight analyst Alex Livingston explores how a series…
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Middle East Conflict and its Impact on Household Energy Tariffs
Rising political tensions in the Middle East have begun to influence the domestic retail energy market, with suppliers adjusting tariff offerings and withdrawing some fixed deals. While wholesale volatility has…
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What is Driving Multi-Year Low Capacity Market Prices?
The latest round of the Capacity Market auctions took place in the first two weeks of March 2026, with both T-1 and T-4 auctions seeing multi-year low clearing prices. In…
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Press and Media
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E.ON-OVO Acquisition Would See Five Firms Supplying 90% of GB Homes
E.ON’s acquisition of OVO would make it the second largest domestic supplier in Great Britain according to Cornwall Insight’s Domestic Market Share Survey.
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Fall in Wholesale Market Lowers Price Cap Forecasts, but Big Rises Still Expected in July
Ahead of April’s Default Tariff Cap (price cap) fall, Cornwall Insight has released new forecasts for the July 2026 cap.
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Business energy bills to soar as Middle East crisis pushes up wholesale prices
Business energy costs are set to soar, with electricity bills increasing by an average of 10% to 30% since late February.
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July Price Cap Forecast Rises to £1,800 as Conflict in the Middle East Drives up Gas Prices
Forecasts for the July–September Default Tariff Cap (price cap) have surged to £1,801 per year for a typical dual‑fuel household, following sharp increases in wholesale gas prices driven by escalating…
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Energy Bills Fall, but Forecasts Signal an End to Major Reductions in the Short Term
Ofgem has today confirmed the Default Tariff Cap for April–June 2026 at £1,641 per year for a typical dual‑fuel household.
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Cornwall Insight Release Final April Price Cap Forecast
Cornwall Insight has released its final forecast for the April – June 2026 price cap, following the closure of the observation window on 17 February.