Written questions

Batteries: Costs

Commons · Question 121667 · Tabled 17 Mar 2026 · Department for Business and Trade · Official record

Answered 23 Mar 2026

Question

Asked by Joe Robertson

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

Answered by Chris McDonald, 23 Mar 2026

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...