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Question follow-through · 121667

Batteries: Costs

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.

answeredDepartment for Business and Trade

About this written question

A written question asks a government minister for information in writing. Parliament publishes the question and any answer.

Answering body
Department for Business and Trade
Tabled
17 Mar 2026
Target answer date
23 Mar 2026
Answer
23 Mar 2026 · 6 calendar days after tabling

Elapsed calendar days describe the record timeline, not whether Parliament considers an answer on time.

More questions by this MP on Economy and business

Shared topic keywords suggest a connection; they do not establish a follow-up.

Votes on this topic

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Recorded timeline

  1. 17 Mar 2026

    Question tabled

    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.

  2. 23 Mar 2026

    Target answer date

    Date supplied by the official written-questions record.

  3. 23 Mar 2026

    Answer published

    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...

Open official record

Official data retrieved 28 Sept 2026.

Later records

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Electric Vehicles: Batteries

29 Jun 2026 · To ask the Secretary of State for Business and Trade, what consideration his Department has given to seeking a further extension or amendment to the Rules of Origin requirements for electric vehicles and batteries under the UK-EU Trade and Cooperation Agr