Written Question·Department for Business and Trade·UIN 121667

Batteries: Costs

Tabled: 17 March 2026
Answered: 23 March 2026
Named Day

Question

Joe Robertson

ConservativeIsle 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 McDonald
My 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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