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The LeadOver 100 new datacentres in the United Kingdom are planning to burn natural gas to generate electricity, with some projects eyeing permanent on‑site generation as a workaround for prolonged grid‑connection delays.The Surge in UK Datacentre Gas RequestsStuart Okin, director of cyber regulation and AI at Ofgem, warned that “there’s 100GW of datacentre projects in the queue” and not all can be linked to the National Grid. Developers therefore “have to come up with an alternative method”.Silvia Simon, head of research at Future Energy Networks, confirmed the firm has received “more than 100” gas‑connection requests in the past two years, many asking for up to 100MW of continuous gas power.Requests total > 15 TWh of energy per year – enough to power London for roughly four and a half months.Projects represent a combined 100GW of planned capacity.The Energy Demand NumbersThe scale of the demand translates into a substantial carbon footprint if supplied by unabated gas. In the United States, similar off‑grid gas generators are projected to emit more CO₂ than the entire nation of Morocco.The Climate and Grid ImplicationsJulian Leslie, director of strategic planning at the UK’s National Energy System Operator (Neso), said the build‑out could jeopardise the Clean Power 2030 goal of keeping unabated gas below 5 % of electricity supply.Eleanor Warburton of Ofgem added that the rapid growth of AI‑driven datacentres is “affecting many aspects of life including energy”, prompting a review of demand‑connection reforms.Environmental groups, such as Action to Protect Rural Scotland (APRS) led by Kat Jones, argue the rush ignores decades of climate science and risks “climate breakdown”.The Path Forward for Policy and AI InfrastructureGovernment and regulators are considering prioritising strategic connections for AI projects while accelerating reforms to speed up viable grid links. If permanent gas generation becomes the norm, further policy measures – possibly including carbon‑pricing or mandatory emissions reporting – may be required to keep the UK on track for its net‑zero commitments.

The Centrica Paradox: Investing in Gas Amidst a Green RevolutionCentrica, the owner of British Gas, has made a surprising move by purchasing the Severn combined-cycle gas turbine plant in south Wales for £370m. This acquisition comes at a time when the UK government’s clean power plan projects gas generation will plummet from 31.5% in 2025 to just 5% by 2030. Despite the narrative of a total renewable transition, Centrica’s strategy suggests that gas remains a critical, albeit shrinking, backbone of the national grid, offering a stable return that retail energy sales cannot currently match.The Severn Plant Acquisition: A £370m GambleThe deal involves buying an 850MW plant built in 2010, which is relatively young compared to the aging fleet of UK power stations. While the government aims to phase out most gas by 2030, the Severn plant offers a unique value proposition due to its remaining operational life and strategic location.Asset Age: The plant has another decade of life without major refurbishment, unlike older assets.Location: It is situated in South Wales, a region poised for a potential datacenter boom.Government Target: The acquisition challenges the government's 5% gas target, highlighting the gap between policy and practical grid needs.Financials and Capacity Market IncentivesThe financial logic behind the purchase is robust, driven by high-yield returns and government subsidies. Centrica expects annual earnings of £30m-£60m, translating to an earnings yield of more than 10%.Direct Earnings: Projected top-line annual earnings of £30m-£60m from generation.Capacity Payments: The plant earns £35m a year until 2030 simply for being available to the grid via the capacity market.Regulated Revenue: The strategy mirrors last year's purchase of a stake in Sizewell C and the Isle of Grain terminal, shifting focus to regulated, semi-regulated revenue streams.Shifting from Retail to InfrastructureCentrica’s CEO, Chris O’Shea, argues that grid access constraints and supply chain issues make new capacity difficult to build. The company is pivoting from a volatile retail business to a stable infrastructure holding company. This shift is underscored by a recent profit warning from the retail division, which saw shares drop 5%, reinforcing the board's view that unglamorous gas plants offer more predictability than consumer energy sales.The Future of Intermittent Backup PowerThe energy transition is not a binary switch but a gradual evolution. While renewables will dominate, gas plants will likely survive as premium, intermittent backup sources for winter and calm periods. Centrica’s bet is that these assets will command a price premium due to their necessity for grid stability, ensuring the company remains a key player in the UK energy mix long after 2030.