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  • Understanding AuctionsSearch ResultsComponent GroupingSortingMap ViewContact Us

    Search Guide

    This registry provides comprehensive search capabilities across all Capacity Market components:

    • Company Search: Enter a company name (e.g., "Drax", "EDF") to see all their components
    • Location Search: Search by city, region, or postcode (e.g., "Manchester", "SW1")
    • CMU ID Search: Enter a specific CMU ID to find exact components
    • Technology Search: Enter technology types like "Hydro", "OCGT", or "Battery"

    The search is intelligent and will try to determine what you're looking for based on your query.

    You can combine search terms to narrow results, such as "London Battery" to find battery storage in London.

    Searches are not case-sensitive, and partial matches are supported (e.g., "Manch" will find "Manchester").

    Understanding Auctions

    The Capacity Market runs regular auctions where providers compete to secure agreements. There are two main types:

    • T-4 auctions: Held 4 years ahead of the delivery year
    • T-1 auctions: Held 1 year ahead to fine-tune capacity requirements

    Each auction results in agreements that specify how much capacity providers must deliver and the payment they'll receive.

    Auction years are displayed as badges (e.g., 2023-24) that you can click to view details for that specific auction year.

    The Capacity Market ensures the UK has sufficient electricity supply during periods of high demand or system stress.

    Providers receive payments for ensuring their capacity is available, creating a more stable and resilient electricity market.

    Search Results

    Search results are grouped by location and show important details about each component:

    • Active Components with auction years 2024-25 or later
    • In-Active Components with only auction years before 2024-25
    • Company Name Click to view all components for this company
    • Technology Click to search for this technology type
    • CMU: XXX Click to search for this CMU ID
    • Auction Year Click to view details for this specific auction

    Each result shows the component's capacity, location details, and participation in specific auction years.

    You can sort results by relevance, location, or date using the sort options.

    Pagination controls appear at the bottom when there are multiple pages of results.

    Component Grouping

    Components at the same location with the same description are grouped together to reduce duplication.

    Each group shows:

    • All CMU IDs for components at that location
    • All auction years, sorted with newest first
    • An Active/Inactive status based on auction years

    Grouping helps identify multi-year contracts and related components at the same site.

    The total capacity shown combines all components in the group.

    Components can be expanded to show individual details by clicking the expand icon.

    Sorting and Filtering

    You can sort search results by:

    • Relevance: Most relevant matches first
    • Location: Alphabetical order by location name
    • Date: By auction year (newest or oldest first)
    • Capacity: Highest or lowest capacity first

    Click the column headers to change sort order.

    You can filter results using the search refinements at the top of the results page:

    • Filter by technology type (e.g., only show batteries)
    • Filter by active status (show only active or inactive components)
    • Filter by auction year (show only components from specific auctions)

    Map Explorer & Map View

    We provide two map-based tools for exploring capacity market data:

    Map Explorer

    The Map Explorer is our advanced interactive mapping tool, specifically designed for comprehensive data exploration with:

    • Mobile-Optimized Interface: Responsive design that works perfectly on phones and tablets
    • Advanced Filtering: Filter by technology type, company, delivery year, and active status
    • Smart Sidebar: Desktop users get a dedicated filter panel, mobile users get collapsible filters
    • Full-Screen Map: Maximizes map space for detailed geographical analysis
    Search Map View

    The Search Map View combines search functionality with map visualization, offering:

    • Search-First Approach: Start with text searches, then visualize results on the map
    • Integrated Results: Search results and map display work together
    • Performance Optimized: Streamlined for fast search result mapping

    Both tools provide a visual representation of capacity distribution across the UK, but serve different exploration needs.

    Map Features:
    • Technology Colors: Different technology types are shown with distinct colors on the map for easy identification:
      GasDSRNuclearCHPSolarWind
      BatteryBiomassHydroInterconnectorCoalOther
    • Technology Legend: The map legend shows all available technologies with their corresponding colors and component counts
    • Search Results on Map: You can view any search results on the map by clicking "View on Map" from search results pages
    • Smart Clustering: Areas with multiple components are automatically grouped into clusters - click clusters to zoom in and see individual components
    • Interactive Markers: Click on individual markers to see detailed information about components at that location

    Use the map controls to zoom in on specific regions or areas of interest. The map automatically adjusts clustering based on your zoom level to provide the clearest view of capacity distribution.

    Contact Us

    We're here to help with any questions about the Capacity Market Registry.

    Email

    For general inquiries and support:

    For LLMs

    Complete programmatic access guide for LLMs:

    Search / All Locations / All Postcodes / UB3 / UB3 4AZ

    Asda Hayes, Westlands Estate, Hayes, UB3 4AZ

    0.30 MW
    Total Capacity
    UB3 4AZ
    Postcode
    11
    Components
    Active*
    2025-26 (T-4)
    Prequalified
    Prequalification
    * Latest auction year on record
    Descriptions:
    • Load curtailment from refridgeration
    • Load curtailment
    • Load curtailment
    Auction Status:
    Active2028-29
    Other Locations at This Postcode 1 location
    ASDA Hayes, Westlands Estate, Hayes, UB3 4AZ 0.09 MW
    DSR CITY ENERGY MANAGEMENT SERVICES LIMITED2 components
    Secondary Trading Contacts
    FLEXITRICITY LIMITED:
    FLEXITRICITY LIMITED:

    CMU Registry Data

    CMU F24082
    4.801 FLEXITRICITY LIMITED
    Prequalified
  • ✓ Prequalified
  • 2028-29
    Capacity Information
    De-Rated Capacity
    4.801
    Connection/DSR Capacity
    6.004
    Anticipated Capacity
    4.801
    Max Obligation Period
    1
    Unit Information
    CMU Type
    Non CMRS
    Primary Fuel
    DSR
    Category
    Proven DSR CMU
    Storage Facility
    No
    Commercial Information
    Termination Fee Rate 1
    £5000.00 /MW
    Termination Fee Rate 2
    £25000.00 /MW
    Termination Fee Rate 3
    £10000.00 /MW
    Termination Fee Rate 4
    £15000.00 /MW
    Termination Fee Rate 5
    £35000.00 /MW
    Annual Penalty Cap
    1
    Monthly Penalty Cap
    2
    Organization
    Company Name
    N/A
    Parent Company
    RESERVE POWER HOLDINGS (JERSEY) LIMITED
    Registered Holder
    FLEXITRICITY LIMITED
    Opt Out Status
    Opt-In
    Agreement Details
    Agreement Awarded
    Yes
    Agreement ID
    CAN-2028-F24082-001
    Agreement Term
    1
    _id
    15456
    CMU ID
    F24082
    Auction
    Capacity Auction
    Auction Name
    2028-29 (T-4) Four Year Ahead Capacity Auction
    CM Unit Name
    FLEX82
    DSR Test Method
    Post Auction DSR Test
    Name of Applicant
    FLEXITRICITY LIMITED
    Proven DSR Capacity
    6.005
    DSR Bidding Capacity
    4.801
    Pre-Qualification Decision
    Prequalified
    Transmission / Distribution
    Distribution
    CMU confirmed entry into Auction
    Yes
    Secondary Trading Contact - Email
    Date of Issue of Capacity Agreement
    2025-04-04
    Auction Acquired Capacity Obligation
    4.801
    Date of Issue of DSR Test Certificate
    2019-11-25
    Secondary Trading Contact - Telephone
    '+441312218100
    Duration of Capacity Agreement Awarded
    1
    Delivery Years for which Agreement Valid
    2028/2029
    Duration of Capacity Agreement in First Bidding Round
    1
    Auction Participation History
    2028-29T-42028-29 (T-4) Four Year Ahead Capacity Auction
    Prequalified
    Component ID: 410941
    Status: Prequalified
    Auction-specific values (differ from CMU baseline):
    • OS Grid Reference: TQ 094 791
    • Location and Post Code: Westlands Estate, Hayes, UB3 4AZ
    • Generating Technology Class: DSR
    • Description of CMU Components: Load curtailment from refridgeration
    • Permitted on-Site Generating Unit: No
    CMU F21082
    4.727 FLEXITRICITY LIMITED
    Prequalified (2)
  • ✓ Prequalified
  • ✓ Prequalified
  • 2025-26 2022-2025
    Capacity Information
    De-Rated Capacity
    4.727
    Connection/DSR Capacity
    6.005
    Anticipated Capacity
    6.761
    Max Obligation Period
    1
    Unit Information
    CMU Type
    Non CMRS
    Primary Fuel
    DSR
    Category
    Proven DSR CMU
    Storage Facility
    No
    Commercial Information
    Termination Fee Rate 1
    £5000.00 /MW
    Termination Fee Rate 2
    £25000.00 /MW
    Termination Fee Rate 3
    £10000.00 /MW
    Termination Fee Rate 4
    £15000.00 /MW
    Termination Fee Rate 5
    £35000.00 /MW
    Annual Penalty Cap
    1
    Monthly Penalty Cap
    2
    Organization
    Company Name
    N/A
    Parent Company
    RESERVE POWER HOLDINGS (JERSEY) LIMITED
    Registered Holder
    FLEXITRICITY LIMITED
    Opt Out Status
    Opt-In
    Agreement Details
    Agreement Awarded
    Yes
    Agreement ID
    CAN-2025-F21082-001
    Agreement Term
    1
    _id
    12819
    CMU ID
    F21082
    Auction
    Capacity Auction
    Auction Name
    2025-26 (T-4) Four Year Ahead Capacity Auction
    CM Unit Name
    FLEX82
    Name of Applicant
    FLEXITRICITY LIMITED
    DSR Bidding Capacity
    4.727
    Pre-Qualification Decision
    Prequalified
    Transmission / Distribution
    Distribution
    CMU confirmed entry into Auction
    Yes
    Secondary Trading Contact - Email
    Date of Issue of Capacity Agreement
    2022-04-01
    Auction Acquired Capacity Obligation
    4.727
    Secondary Trading Contact - Telephone
    '+441312218100
    Duration of Capacity Agreement Awarded
    1
    Delivery Years for which Agreement Valid
    2025/2026
    Duration of Capacity Agreement in First Bidding Round
    1
    Auction Participation History
    2025-26T-42025-26 (T-4) Four Year Ahead Capacity Auction
    Prequalified
    Component ID: 114454
    Status: Prequalified
    Auction-specific values (differ from CMU baseline):
    • OS Grid Reference: TQ 094 791
    • Location and Post Code: Westlands Estate, Hayes, UB3 4AZ
    • Generating Technology Class: DSR
    • Description of CMU Components: Load curtailment
    2022-23T-12022-23 (T-1) One Year Ahead Capacity Auction
    Prequalified
    Component ID: 576510
    Status: Prequalified
    Auction-specific values (differ from CMU baseline):
    • OS Grid Reference: TQ 094 791
    • Location and Post Code: Westlands Estate, Hayes, UB3 4AZ
    • Generating Technology Class: DSR
    • Description of CMU Components: Load curtailment
    2022-23T-12022-23 (T-1) One Year Ahead Capacity Auction
    Prequalified
    Component ID: 625268
    Status: Prequalified
    Auction-specific values (differ from CMU baseline):
    • OS Grid Reference: TQ 094 791
    • Location and Post Code: Westlands Estate, Hayes, UB3 4AZ
    • Generating Technology Class: DSR
    • Description of CMU Components: Load curtailment
    CMU F23082
    4.747 FLEXITRICITY LIMITED
    Prequalified
  • ✓ Prequalified
  • 2024-25
    Capacity Information
    De-Rated Capacity
    4.747
    Connection/DSR Capacity
    6.005
    Anticipated Capacity
    4.745
    Max Obligation Period
    1
    Unit Information
    CMU Type
    Non CMRS
    Primary Fuel
    DSR
    Category
    Proven DSR CMU
    Storage Facility
    No
    Commercial Information
    Termination Fee Rate 1
    £5000.00 /MW
    Termination Fee Rate 2
    £25000.00 /MW
    Termination Fee Rate 3
    £10000.00 /MW
    Termination Fee Rate 4
    £15000.00 /MW
    Termination Fee Rate 5
    £35000.00 /MW
    Annual Penalty Cap
    1
    Monthly Penalty Cap
    2
    Organization
    Company Name
    N/A
    Parent Company
    RESERVE POWER HOLDINGS (JERSEY) LIMITED
    Registered Holder
    FLEXITRICITY LIMITED
    Opt Out Status
    Opt-In
    Agreement Details
    Agreement Awarded
    Yes
    Agreement ID
    CAN-2024-F23082-001
    Agreement Term
    1
    _id
    10592
    CMU ID
    F23082
    Auction
    Capacity Auction
    Auction Name
    2024-25 (T-1) One Year Ahead Capacity Auction
    CM Unit Name
    FLEX82
    Name of Applicant
    FLEXITRICITY LIMITED
    DSR Bidding Capacity
    4.747
    Pre-Qualification Decision
    Prequalified
    Transmission / Distribution
    Distribution
    CMU confirmed entry into Auction
    Yes
    Secondary Trading Contact - Email
    [email protected]
    Date of Issue of Capacity Agreement
    2024-04-02
    Auction Acquired Capacity Obligation
    4.747
    Secondary Trading Contact - Telephone
    '+441312218100
    Duration of Capacity Agreement Awarded
    1
    Delivery Years for which Agreement Valid
    2024/2025
    Duration of Capacity Agreement in First Bidding Round
    1
    Auction Participation History
    2024-25T-12024-25 (T-1) One Year Ahead Capacity Auction
    Prequalified
    Component ID: 292196
    Status: Prequalified
    Auction-specific values (differ from CMU baseline):
    • OS Grid Reference: TQ 094 791
    • Location and Post Code: Westlands Estate, Hayes, UB3 4AZ
    • Generating Technology Class: DSR
    • Description of CMU Components: Load curtailment
    • Permitted on-Site Generating Unit: No
    CMU F22082
    4.279 FLEXITRICITY LIMITED
    Prequalified
  • ✓ Prequalified
  • 2023-24
    Capacity Information
    De-Rated Capacity
    4.279
    Connection/DSR Capacity
    6.005
    Anticipated Capacity
    4.291
    Max Obligation Period
    1
    Unit Information
    CMU Type
    Non CMRS
    Primary Fuel
    DSR
    Category
    Proven DSR CMU
    Storage Facility
    No
    Commercial Information
    Termination Fee Rate 1
    £5000.00 /MW
    Termination Fee Rate 2
    £25000.00 /MW
    Termination Fee Rate 3
    £10000.00 /MW
    Termination Fee Rate 4
    £15000.00 /MW
    Termination Fee Rate 5
    £35000.00 /MW
    Annual Penalty Cap
    1
    Monthly Penalty Cap
    2
    Organization
    Company Name
    N/A
    Parent Company
    RESERVE POWER HOLDINGS (JERSEY) LIMITED
    Registered Holder
    FLEXITRICITY LIMITED
    Opt Out Status
    Opt-In
    Agreement Details
    Agreement Awarded
    Yes
    Agreement ID
    CAN-2023-F22082-001
    Agreement Term
    1
    _id
    9083
    CMU ID
    F22082
    Auction
    Capacity Auction
    Auction Name
    2023-24 (T-1) One Year Ahead Capacity Auction
    CM Unit Name
    FLEX82
    DSR Test Method
    Post Auction DSR Test
    Name of Applicant
    FLEXITRICITY LIMITED
    Proven DSR Capacity
    6.005
    DSR Bidding Capacity
    4.279
    Pre-Qualification Decision
    Prequalified
    Transmission / Distribution
    Distribution
    CMU confirmed entry into Auction
    Yes
    Secondary Trading Contact - Email
    [email protected]
    Date of Issue of Capacity Agreement
    2023-03-24
    Auction Acquired Capacity Obligation
    4.279
    Secondary Trading Contact - Telephone
    '+441312218100
    Duration of Capacity Agreement Awarded
    1
    Delivery Years for which Agreement Valid
    2023/2024
    Duration of Capacity Agreement in First Bidding Round
    1
    Auction Participation History
    2023-24T-12023-24 (T-1) One Year Ahead Capacity Auction
    Prequalified
    Component ID: 541473
    Status: Prequalified
    Auction-specific values (differ from CMU baseline):
    • OS Grid Reference: TQ 094 791
    • Location and Post Code: Westlands Estate, Hayes, UB3 4AZ
    • Generating Technology Class: DSR
    • Description of CMU Components: Load curtailment
    • Permitted on-Site Generating Unit: No
    2023-24T-12023-24 (T-1) One Year Ahead Capacity Auction
    Prequalified
    Component ID: 590231
    Status: Prequalified
    Auction-specific values (differ from CMU baseline):
    • OS Grid Reference: TQ 094 791
    • Location and Post Code: Westlands Estate, Hayes, UB3 4AZ
    • Generating Technology Class: DSR
    • Description of CMU Components: Load curtailment
    • Permitted on-Site Generating Unit: No
    CMU FLXR82
    21.93 FLEXITRICITY LIMITED
    Prequalified
  • ✓ Prequalified
  • 2021-22
    Capacity Information
    De-Rated Capacity
    21.93
    Connection/DSR Capacity
    25.4
    Anticipated Capacity
    29.371
    Max Obligation Period
    1
    Unit Information
    CMU Type
    Non CMRS
    Primary Fuel
    DSR
    Category
    Unproven DSR CMU
    Storage Facility
    No
    Commercial Information
    Termination Fee Rate 1
    £5000.00 /MW
    Termination Fee Rate 2
    £25000.00 /MW
    Termination Fee Rate 3
    £10000.00 /MW
    Termination Fee Rate 4
    £15000.00 /MW
    Termination Fee Rate 5
    £35000.00 /MW
    Annual Penalty Cap
    1
    Monthly Penalty Cap
    2
    Organization
    Company Name
    N/A
    Parent Company
    RESERVE POWER HOLDINGS (JERSEY) LIMITED
    Registered Holder
    FLEXITRICITY LIMITED
    Opt Out Status
    Opt-In
    Agreement Details
    Agreement Awarded
    Yes
    Agreement ID
    CAN-2021-FLXR82-001
    Obligation Summary
    01/10/2021 - 30/09/2022:5.179 MW
    Agreement Term
    1
    _id
    5631
    CMU ID
    FLXR82
    Auction
    Capacity Auction
    Auction Name
    2021-22 (T-4) Four Year Ahead Capacity Auction
    CM Unit Name
    FLEX82
    Name of Applicant
    FLEXITRICITY LIMITED
    Proven DSR Capacity
    6.005
    DSR Bidding Capacity
    21.93
    Pre-Qualification Decision
    Prequalified
    Transmission / Distribution
    Distribution
    CMU confirmed entry into Auction
    Yes
    Secondary Trading Contact - Email
    [email protected]
    Date of Issue of Capacity Agreement
    2018-03-20
    List of Traded Capacity Obligations
    T1: -12.536 MW; T2: -3.020 MW; T3: -1.195 MW
    Auction Acquired Capacity Obligation
    21.93
    Period for which the transfer applies
    T1: 01/10/2021 - 30/09/2022; T2: 01/10/2021 - 30/09/2022; T3: 01/10/2021 - 30/09/2022
    Secondary Trading Contact - Telephone
    '+441312218100
    Duration of Capacity Agreement Awarded
    1
    Delivery Years for which Agreement Valid
    2021/2022
    Duration of Capacity Agreement in First Bidding Round
    1
    Auction Participation History
    2021-22T-42021-22 (T-4) Four Year Ahead Capacity Auction
    Prequalified
    Component ID: 282443
    Status: Prequalified
    Auction-specific values (differ from CMU baseline):
    • OS Grid Reference: TQ 094 791
    • Location and Post Code: Westlands Estate, Hayes, UB3 4AZ
    • Generating Technology Class: DSR
    • Description of CMU Components: Load curtailment
    CMU FLXT82
    22.068 FLEXITRICITY LIMITED
    Prequalified (2)
  • ✓ Prequalified
  • ✓ Prequalified
  • 2020-21 2017-2020
    Capacity Information
    De-Rated Capacity
    22.068
    Connection/DSR Capacity
    25.4
    Max Obligation Period
    1
    Unit Information
    CMU Type
    Non CMRS
    Category
    Unproven DSR CMU
    Storage Facility
    No
    Commercial Information
    Organization
    Company Name
    N/A
    Opt Out Status
    Opt-In
    Agreement Details
    _id
    465
    CMU ID
    FLXT82
    Auction
    Capacity Auction
    Auction Name
    2017-18 (T-1) One Year Ahead Capacity Auction
    CM Unit Name
    FLEX82
    Unproven DSR
    Yes
    Name of Applicant
    FLEXITRICITY LIMITED
    Pre-Qualification Decision
    Prequalified
    Transmission / Distribution
    Distribution
    CMU confirmed entry into Auction
    No
    Secondary Trading Contact - Telephone
    '+441312218100
    Auction Participation History
    2020-21T-42020-21 (T-4) Four Year Ahead Capacity Auction
    Prequalified
    Component ID: 63629
    Status: Prequalified
    Auction-specific values (differ from CMU baseline):
    • OS Grid Reference: TQ 094 791
    • Location and Post Code: Westlands Estate, Hayes, UB3 4AZ
    • Description of CMU Components: Load curtailment
    2017-18T-12017-18 (T-1) One Year Ahead Capacity Auction
    Prequalified
    Component ID: 625874
    Status: Prequalified
    Auction-specific values (differ from CMU baseline):
    • OS Grid Reference: TQ 094 791
    • Location and Post Code: Westlands Estate, Hayes, UB3 4AZ
    • Description of CMU Components: Load curtailment
    2017-18T-12017-18 (T-1) One Year Ahead Capacity Auction
    Prequalified
    Component ID: 577134
    Status: Prequalified
    Auction-specific values (differ from CMU baseline):
    • OS Grid Reference: TQ 094 791
    • Location and Post Code: Westlands Estate, Hayes, UB3 4AZ
    • Description of CMU Components: Load curtailment
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