The constraint on AI has shifted from what the models can do to whether Britain can power it, pay for it, trust it and control it. Capability keeps racing ahead — cheaper frontier models ship most weeks — yet every enabling layer is visibly lagging, and this was the week that gap became the story. We connect the grid, the boardroom and Westminster to work out what it means for UK businesses.

- Nscale's £2bn Essex supercomputer, the government's AI flagship, in talks to run on gas after grid delays — while Scotland weighs a data-centre freeze

- KPMG finds daily AI use up nine points, yet nearly half of firms have paused or scaled back projects

- The Bank of England names AI a systemic financial-stability risk as Reeves signs ~500,000 City workers up for mandatory retraining

- Chinese open models hit up to 46% of US developer usage as GPT-5.6 and Grok 4.5 trigger a token price war

- A Commons committee warns Britain has "no coherent" sovereign-AI strategy, days after a £2bn MoD "battle lab" deal

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