Question follow-through · 34129

Electricity: Prices

To ask the Secretary of State for Energy Security and Net Zero, for what reason the Government uses the marginal cost pricing system for electricity.

answeredDr Ellie ChownsDepartment for Energy Security and Net Zero

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 Energy Security and Net Zero
Tabled
26 Feb 2025
Target answer date
3 Mar 2025
Answer
7 Mar 2025 · 9 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 Environment and energy

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Recorded timeline

  1. 26 Feb 2025

    Question tabled

    To ask the Secretary of State for Energy Security and Net Zero, for what reason the Government uses the marginal cost pricing system for electricity.

  2. 3 Mar 2025

    Target answer date

    Date supplied by the official written-questions record.

  3. 7 Mar 2025

    Answer published

    The wholesale electricity market, like most commodity markets worldwide, is based on marginal pricing. This reflects the value of consuming or generating an additional unit of electricity at any given time and ensures that generators increase or decrease ...

Open official record

Official data retrieved 28 Sept 2026.

Later records

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