Written Question·Department for Business and Trade·UIN 121667
Batteries: Costs
Tabled: 17 March 2026
Answered: 23 March 2026
Named DayQuestion
Joe Robertson
Conservative — Isle of Wight East
To ask the Secretary of State for Business and Trade, what estimate his Department has made of current battery costs per kWh; and what assumptions underpin projections for future cost reductions.
Answer
Chris McDonaldMy Department does not publish an official estimate and for benchmarking we reference internationally trusted, independent sources.Battery technology is becoming increasingly important for our national resilience. Global demand for batteries is surging, t...
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