Coverage Check — Electricity Capacity Market Reform

Audit of public-source material that may be missing from this policy thread.

Official sources only · sweep took ~2m
details Run #24 · model claude-sonnet-4-6 · started 6 May 2026 · 18:07 · est. $0.6113
14 likely missing · 1 related · 1 low-confidence · 8 already covered · 1 background
25 total candidates returned by the sweep. Decisions you make below are recorded for audit; "Add" / "Link" actions attach source material and timeline events.

Likely missing — should be added

14 items
16 Dec 2024· gov_uk· High confidence ·type: consultation_open
This is a separate call for evidence on consumer-led flexibility in the CM, published alongside the December 2024 consultation, and is a distinct primary source document not on the thread.
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What it adds: Adds the December 2024 call for evidence on consumer-led flexibility, which is a separate document from the consultation already identified as missing.
"This call for evidence will remain open to written responses for 9 weeks from 16 December 2024, closing on 17 February 2025, seeking views on potential proposals to improve how consumer-led flexibility is categorised and operates."
✓ Added to this thread — Electricity Capacity Market Reform
16 Dec 2024· gov_uk· High confidence ·type: policy_paper
This is a statutory review publication required under the Energy Act 2013, directly relevant to CM reform policy, and is absent from the thread.
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What it adds: Adds the December 2024 statutory 10-year review of the Capacity Market, a required government publication not currently on the thread.
"This is the second statutory 5-year review of the Capacity Market for the period 2019 to 2024, taking a backwards-looking approach to analysing the performance of the CM against its original objectives."
✓ Added to this thread — Electricity Capacity Market Reform
1 Jul 2024· gov_uk· High confidence ·type: consultation_outcome
The July 2024 government response to the Phase 2 consultation is a pivotal policy document that triggered subsequent legislative changes and is absent from the thread.
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What it adds: Adds the July 2024 government response to the Phase 2 CM consultation, which is the key policy outcome document for the 2023 reform cycle.
"In 2024, the government published the response to the Capacity Market Phase 2 consultation, focussing on proposals for CM changes to strengthen security of supply and accelerate investment in low carbon technologies."
✓ Added to this thread — Electricity Capacity Market Reform
15 Oct 2024· gov_uk· High confidence ·type: policy_paper
This October 2024 policy update on remaining Phase 2 decisions is a distinct government publication that shaped subsequent CM legislation and is not on the thread.
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What it adds: Adds the October 2024 Phase 2 policy update, which resolved outstanding consultation questions and informed the February 2025 SI.
"The October 2024 policy update outlined that the government has decided to settle on 20% as an appropriate level for DSR component reallocation, and set out remaining Phase 2 policy decisions."
✓ Added to this thread — Electricity Capacity Market Reform
1 May 2025· gov_uk· High confidence ·type: consultation_outcome
The October 2024 consultation is on the thread but its May 2025 government response is absent, leaving the consultation lifecycle incomplete.
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What it adds: Adds the May 2025 government response to the October 2024 CM security of supply consultation, closing the loop on that consultation.
"In May 2025, we published the government response to the consultation on proposals to maintain security of supply and enable flexible capacity to decarbonise, setting out how the government's thinking evolved in response to feedback."
✓ Added to this thread — Electricity Capacity Market Reform
14 Feb 2025· parliament· High confidence ·type: statutory_instrument
This is the primary statutory instrument implementing the Phase 2 CM reforms, made on 14 February 2025, and is absent from the thread despite being a core legislative event.
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What it adds: Adds the made SI for the February 2025 Electricity Capacity (Amendment) Regulations, the key piece of secondary legislation implementing Phase 2 reforms.
"This instrument amends the Electricity Capacity Regulations 2014, introducing nine-year agreements for declared low carbon CMUs and other technical improvements to the capacity market scheme."
✓ Added to this thread — Electricity Capacity Market Reform
28 Jan 2025· parliament· High confidence ·type: statutory_instrument
This SI removes the 10-year sunset clause on the Capacity Market, a significant structural reform, and is absent from the thread despite being debated in Parliament (debates already on thread).
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What it adds: Adds the made SI for the Electricity Capacity Mechanism (Amendment) Regulations 2025, the legislation underpinning the January 2025 parliamentary debates already on the thread.
"These Regulations revoke and alter provisions relating to resource adequacy in the electricity sector, removing the requirement that the Capacity Market must be of a temporary nature and approved for no longer than 10 years."
✓ Added to this thread — Electricity Capacity Market Reform
25 Jul 2025· parliament· High confidence ·type: statutory_instrument
This is the No. 2 SI for 2025, implementing further CM reforms and debated in Parliament (debates already on thread for July 2025), but the made legislation itself is absent.
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What it adds: Adds the made SI for the Electricity Capacity (Amendment) (No. 2) Regulations 2025, the legislation underpinning the July 2025 parliamentary debates already on the thread.
"These Regulations make amendments to the Electricity Capacity Regulations 2014 and revoke provisions of the Principal Regulations, implementing further CM reforms ahead of Prequalification 2026."
✓ Added to this thread — Electricity Capacity Market Reform
16 Dec 2024· parliament· High confidence ·type: other
This written ministerial statement announced three major December 2024 CM publications and is a key parliamentary record absent from the thread.
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What it adds: Adds the December 2024 written ministerial statement on CM publications, providing the parliamentary announcement context for the three December 2024 CM documents.
"The Minister tabled a statement to inform members of three publications relating to the capacity market: a consultation on improvements to CM rules, a call for evidence on consumer-led flexibility, and the statutory 10-year review."
✓ Added to this thread — Electricity Capacity Market Reform
10 Dec 2024· gov_uk· Medium confidence ·type: policy_paper
This annual statutory scheme update report covers CM developments in 2024 and is a required government publication absent from the thread.
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What it adds: Adds the 2024 annual CfD and Capacity Market scheme update, providing a comprehensive overview of CM changes and auction outcomes for 2024.
"Rule changes to support auction liquidity were prioritised following the CM Phase 2 consultation in early 2024, implemented in time for Prequalification in August 2024 for auctions taking place in March 2025."
✓ Added to this thread — Electricity Capacity Market Reform
17 Dec 2025· gov_uk· Medium confidence ·type: policy_paper
This annual statutory scheme update report covers CM developments in 2025 and is a required government publication absent from the thread.
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What it adds: Adds the 2025 annual CfD and Capacity Market scheme update, providing a comprehensive overview of CM changes and auction outcomes for 2025.
"In October 2025, the Government published a consultation and Call for Evidence, seeking views on changes to the CM that aim to retain flexible capacity required to maintain security of electricity supply in the short-term."
✓ Added to this thread — Electricity Capacity Market Reform
15 Oct 2024· gov_uk· High confidence ·type: policy_paper
This is a distinct policy update document published on 15 October 2024 alongside the new security of supply consultation, resolving outstanding Phase 2 questions, and is absent from the thread.
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What it adds: Adds the October 2024 Phase 2 policy update as a separate event from the new October 2024 consultation already on the thread.
"The October 2024 policy update set out the government's decisions on remaining Phase 2 consultation questions, including DSR component reallocation limits and emissions data publication."
✓ Added to this thread — Electricity Capacity Market Reform
6 Mar 2024· parliament· Medium confidence ·type: statutory_instrument
The March 2024 Lords debate on this SI is already in the thread source URLs, but the made legislation itself on legislation.gov.uk is absent.
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What it adds: Adds the made SI for the 2024 Electricity Capacity (Supplier Payment etc.) (Amendment) Regulations, the legislation underpinning the March 2024 Lords debate already on the thread.
"These Regulations amend the Electricity Capacity (Supplier Payment etc.) Regulations 2014 and related instruments, implementing changes to supplier payment obligations in the Capacity Market."
✓ Added to this thread — Electricity Capacity Market Reform
16 Oct 2023· gov_uk· High confidence ·type: consultation_open
The thread includes Phase 1 (June 2023) but not Phase 2 (October 2023) of the 2023 CM consultation, which is a significant gap as Phase 2 drove the major 2024–2025 legislative reforms.
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What it adds: Adds the October 2023 Phase 2 CM consultation, the direct predecessor to the July 2024 government response and all subsequent 2024–2025 CM reforms.
"The Phase 2 consultation sought views on proposals to strengthen security of supply and accelerate investment in low carbon technologies, building on the Phase 1 consultation published in June 2023."
✓ Added to this thread — Electricity Capacity Market Reform

Related but separate issue

1 item

Low confidence — needs review

1 item
15 Oct 2024· gov_uk· Low confidence ·type: consultation_open
The October 2024 consultation is on the thread but the separate accompanying call for evidence may be a distinct document; the CfE URL may differ from the consultation URL already listed.
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What it adds: Would add the separate call for evidence that accompanied the October 2024 CM consultation, if it has a distinct Citizen Space URL not already captured.
"This call for evidence ran alongside the October 2024 consultation, seeking views on proposals to maintain security of supply and enable flexible capacity to decarbonise."

Already covered in this thread

8 items
16 Dec 2024· gov_uk· High confidence ·type: consultation_open ·already in DB
This is a major Capacity Market consultation directly on CM reform, published December 2024, with a government response published June 2025 — a core thread event absent from the timeline.
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What it adds: Adds the December 2024 consultation on CM rules modernisation and DSR delivery assurance, which is a distinct consultation not currently represented on the thread.
"This consultation ran from 10am on 16 December 2024 to 11:59pm on 17 February 2025, seeking views on proposed changes to modernise Capacity Market Rules and improve participation and delivery assurance of consumer-led flexibility."
2 Jun 2025· gov_uk· High confidence ·type: consultation_outcome ·already in DB
This is the government response to the December 2024 CM modernisation consultation, a key policy outcome document absent from the thread.
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What it adds: Adds the June 2025 government response/outcome to the Dec 2024 CM rules modernisation consultation, closing the loop on that consultation cycle.
"This consultation, launched in December 2024 and concluded in February 2025, builds on those changes and sets out changes to the CM to modernise existing CM Rules and improve participation and delivery assurance of consumer-led flexibility."
1 Oct 2023· gov_uk· High confidence ·type: consultation_open ·already in DB
The thread includes Phase 1 (June 2023) but not Phase 2 (October 2023) of the 2023 CM consultation, which is a major gap in the reform timeline.
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What it adds: Adds the October 2023 Phase 2 CM consultation which is the direct predecessor to the July 2024 government response and subsequent 2024–2025 reforms.
"The Phase 2 consultation sought views on proposals to strengthen security of supply and accelerate investment in low carbon technologies, alongside a call for evidence for the 10-year review."
8 Apr 2024· gov_uk· High confidence ·type: consultation_open ·already in DB
This April 2024 consultation on auction liquidity rule amendments is a distinct CM reform consultation absent from the thread, with its response included in the July 2024 Phase 2 government response.
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What it adds: Adds the April 2024 consultation on CM auction liquidity rule amendments, a separate consultation cycle not currently on the thread.
"This consultation ran from 9am on 8 April 2024 to 11:59pm on 5 May 2024, seeking views on proposals to support Capacity Market auction liquidity by improving the functionality of the CM emissions verification process."
1 Sep 2024· gov_uk· Medium confidence ·type: consultation_open ·already in DB
This open letter/call for evidence on new technologies in the CM is a distinct policy document in the CM reform cycle and is absent from the thread.
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What it adds: Adds the 2024 open letter on new technologies in the CM, which informs technology eligibility decisions relevant to CM reform.
"The government published an open letter inviting views on new technologies for the Capacity Market, with responses due by 1 November 2024, to inform decisions on technology eligibility."
1 Nov 2025· gov_uk· High confidence ·type: consultation_open ·already in DB
The thread has the January 2026 government response to this consultation but not the November 2025 consultation itself, leaving the consultation open event absent.
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What it adds: Adds the November 2025 consultation on CMU locational changes, which is the precursor to the January 2026 government response already on the thread.
"In November 2025, the Government published a consultation seeking views on an urgent change to the CM Rules to remove the provisions which allow for New Build CMUs or DSR CMUs to change their location."
1 Jul 2024· gov_uk· High confidence ·type: consultation_outcome
This URL is already listed in the source URLs for the thread (https://www.gov.uk/government/consultations/capacity-market-rules-amendments-to-improve-auction-liquidity/outcome/capacity-market-rules-amendments-to-improve-auction-liquidity-government-response).
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What it adds: Already covered by existing thread source URL.
"The response to this consultation is included in the government response to the consultation on Phase 2 proposals, with the rule changes implemented in time for the 2024 prequalification window."
2 Oct 2025· gov_uk· High confidence ·type: consultation_open
This URL is already listed in the thread's source URLs and timeline events for 2025-10-02.
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What it adds: Already covered by existing thread entry.
"This consultation sought views on proposals for hydrogen-to-power assets and interconnectors in the Capacity Market, published alongside the October 2025 PQ2026 consultation."

Background context only

1 item
1 Dec 2014· gov_uk· Low confidence ·type: guidance
The consolidated CM Rules are a reference document rather than a discrete policy event; they provide useful context but are not a thread event in themselves.
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What it adds: Provides the consolidated rules text but does not represent a discrete policy decision or consultation event.
"An informal consolidated version of the Capacity Market Rules 2014, updated to reflect amendments made by subsequent statutory instruments and rule changes."
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