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    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 / EH54 / EH54 8AY

    3 Nairn Road, Deans Industrial Estate, Livingston, West Lothian, EH54 8AY

    28.23 MW (Est from CMU)
    Total Capacity
    EH54 8AY
    Postcode
    9
    Components
    Active*
    2024-25 (T-4)
    Prequalified
    Prequalification
    * Latest auction year on record
    Descriptions:
    • Newbuild gas generator
    • Reciprocating engine (natural gas fuelled)
    • gas generator
    Auction Status:
    Active2026-27
    Other Locations at This Postcode 1 location
    On land off Nairn Road, Deans Industrial Estate, Livingston, EH54 8AY
    Reciprocating engines DRUMCROSS GENERATION LIMITED6 components
    Secondary Trading Contacts
    GNNR LTD:

    CMU Registry Data

    CMU GNRA01
    3.046 GNNR LTD
    Prequalified (2)
  • ✓ Prequalified
  • ✓ Prequalified
  • 2026-27 2023-2026
    Capacity Information
    De-Rated Capacity
    3.046
    Connection/DSR Capacity
    3.2
    Anticipated Capacity
    3.046
    Max Obligation Period
    15
    Unit Information
    CMU Type
    Non CMRS
    Primary Fuel
    Gas
    Category
    New Build Generating 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
    Greenspan Energy Limited
    Registered Holder
    GNNR LTD
    Opt Out Status
    Opt-In
    Agreement Details
    Agreement Awarded
    Yes
    Agreement ID
    CAN-2026-GNRA01-001
    Agreement Term
    15
    _id
    13767
    CMU ID
    GNRA01
    Auction
    Capacity Auction
    Auction Name
    2026-27 (T-4) Four Year Ahead Capacity Auction
    CM Unit Name
    GNRA01
    Name of Applicant
    GNNR LTD
    Pre-Qualification Decision
    Prequalified
    Transmission / Distribution
    Distribution
    CMU confirmed entry into Auction
    Yes
    Secondary Trading Contact - Email
    Date of Issue of Capacity Agreement
    2023-03-31
    Auction Acquired Capacity Obligation
    3.046
    Secondary Trading Contact - Telephone
    '+4401315144444
    Duration of Capacity Agreement Awarded
    15
    Delivery Years for which Agreement Valid
    2026/2027, 2027/2028, 2028/2029, 2029/2030, 2030/2031, 2031/2032, 2032/2033, 2033/2034, 2034/2035, 2035/2036, 2036/2037, 2037/2038, 2038/2039, 2039/2040, 2040/2041
    Latest Date SCM is expected to be achieved
    2023-07-31
    Earliest Date SCM is expected to be achieved
    2023-06-01
    Duration of Capacity Agreement in First Bidding Round
    15
    Auction Participation History
    2026-27T-42026-27 (T-4) Four Year Ahead Capacity Auction
    3.05 MW Prequalified
    Component ID: 280995
    Capacity: 3.05 MW
    Status: Prequalified
    Auction-specific values (differ from CMU baseline):
    • OS Grid Reference: NT 018 696
    • Location and Post Code: 3 Nairn Road, Deans Industrial Estate, Livingston, West Lothian, EH54 8AY
    • Generating Technology Class: Reciprocating engines
    • Description of CMU Components: Newbuild gas generator
    2023-24T-12023-24 (T-1) One Year Ahead Capacity Auction
    Prequalified
    Component ID: 540415
    Status: Prequalified
    Auction-specific values (differ from CMU baseline):
    • OS Grid Reference: NT 018 696
    • Location and Post Code: 3 Nairn Road, Deans Industrial Estate, Livingston, West Lothian, EH54 8AY
    • Generating Technology Class: Reciprocating engines
    • Description of CMU Components: Newbuild gas generator
    CMU GNRB01
    3.198 GNNR LTD
    Prequalified (2)
  • ✓ Prequalified
  • ✓ Prequalified
  • 2026-27 2023-2026
    Capacity Information
    De-Rated Capacity
    3.198
    Connection/DSR Capacity
    3.36
    Anticipated Capacity
    3.807
    Max Obligation Period
    15
    Unit Information
    CMU Type
    Non CMRS
    Primary Fuel
    Gas
    Category
    New Build Generating 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
    Greenspan Energy Limited
    Registered Holder
    GNNR LTD
    Opt Out Status
    Opt-In
    Agreement Details
    Agreement Awarded
    Yes
    Agreement ID
    CAN-2026-GNRB01-001
    Agreement Term
    15
    _id
    13768
    CMU ID
    GNRB01
    Auction
    Capacity Auction
    Auction Name
    2026-27 (T-4) Four Year Ahead Capacity Auction
    CM Unit Name
    GNRB01
    Name of Applicant
    GNNR LTD
    Pre-Qualification Decision
    Prequalified
    Transmission / Distribution
    Distribution
    CMU confirmed entry into Auction
    Yes
    Secondary Trading Contact - Email
    Date of Issue of Capacity Agreement
    2023-03-31
    Auction Acquired Capacity Obligation
    3.198
    Secondary Trading Contact - Telephone
    '+4401315144444
    Duration of Capacity Agreement Awarded
    15
    Delivery Years for which Agreement Valid
    2026/2027, 2027/2028, 2028/2029, 2029/2030, 2030/2031, 2031/2032, 2032/2033, 2033/2034, 2034/2035, 2035/2036, 2036/2037, 2037/2038, 2038/2039, 2039/2040, 2040/2041
    Latest Date SCM is expected to be achieved
    2023-07-31
    Earliest Date SCM is expected to be achieved
    2023-06-01
    Duration of Capacity Agreement in First Bidding Round
    15
    Auction Participation History
    2026-27T-42026-27 (T-4) Four Year Ahead Capacity Auction
    3.20 MW Prequalified
    Component ID: 631
    Capacity: 3.20 MW
    Status: Prequalified
    Auction-specific values (differ from CMU baseline):
    • OS Grid Reference: NT 018 696
    • Location and Post Code: 3 Nairn Road, Deans Industrial Estate, Livingston, West Lothian, EH54 8AY
    • Generating Technology Class: Reciprocating engines
    • Description of CMU Components: Newbuild gas generator
    2023-24T-12023-24 (T-1) One Year Ahead Capacity Auction
    Prequalified
    Component ID: 540969
    Status: Prequalified
    Auction-specific values (differ from CMU baseline):
    • OS Grid Reference: NT 018 696
    • Location and Post Code: 3 Nairn Road, Deans Industrial Estate, Livingston, West Lothian, EH54 8AY
    • Generating Technology Class: Reciprocating engines
    • Description of CMU Components: Newbuild gas generator
    2023-24T-12023-24 (T-1) One Year Ahead Capacity Auction
    3.20 MW Prequalified
    Component ID: 589727
    Capacity: 3.20 MW
    Status: Prequalified
    Auction-specific values (differ from CMU baseline):
    • OS Grid Reference: NT 018 696
    • Location and Post Code: 3 Nairn Road, Deans Industrial Estate, Livingston, West Lothian, EH54 8AY
    • Generating Technology Class: Reciprocating engines
    • Description of CMU Components: Newbuild gas generator
    CMU GNRB03
    3.219 GNNR LTD
    Prequalified
  • ✓ Prequalified
  • 2025-26
    Capacity Information
    De-Rated Capacity
    3.219
    Connection/DSR Capacity
    3.443
    Anticipated Capacity
    3.141
    Max Obligation Period
    1
    Unit Information
    CMU Type
    Non CMRS
    Primary Fuel
    Gas
    Category
    Existing Generating 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
    Greenspan Energy Limited
    Registered Holder
    GNNR LTD
    Opt Out Status
    Opt-In
    Agreement Details
    Agreement Awarded
    Yes
    Agreement ID
    CAN-2025-GNRB03-001
    Agreement Term
    1
    _id
    12099
    CMU ID
    GNRB03
    Auction
    Capacity Auction
    Auction Name
    2025-26 (T-1) One Year Ahead Capacity Auction
    CM Unit Name
    Nairn Road Betty
    Name of Applicant
    GNNR LTD
    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
    2025-03-31
    Auction Acquired Capacity Obligation
    3.219
    Secondary Trading Contact - Telephone
    '+4401315144444
    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-12025-26 (T-1) One Year Ahead Capacity Auction
    3.22 MW Prequalified
    Component ID: 534748
    Capacity: 3.22 MW
    Status: Prequalified
    Auction-specific values (differ from CMU baseline):
    • OS Grid Reference: NT 018 696
    • Location and Post Code: 3 Nairn Road, Deans Industrial Estate, Livingston, West Lothian, EH54 8AY
    • Primary Fuel of Component: Gas
    • Generating Technology Class: Reciprocating engines
    • Description of CMU Components: Reciprocating engine (natural gas fuelled)
    CMU GNRA03
    3.138 GNNR LTD
    Prequalified
  • ✓ Prequalified
  • 2025-26
    Capacity Information
    De-Rated Capacity
    3.138
    Connection/DSR Capacity
    3.357
    Anticipated Capacity
    2.992
    Max Obligation Period
    1
    Unit Information
    CMU Type
    Non CMRS
    Primary Fuel
    Gas
    Category
    Existing Generating 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
    Greenspan Energy Limited
    Registered Holder
    GNNR LTD
    Opt Out Status
    Opt-In
    Agreement Details
    Agreement Awarded
    Yes
    Agreement ID
    CAN-2025-GNRA03-001
    Agreement Term
    1
    _id
    12098
    CMU ID
    GNRA03
    Auction
    Capacity Auction
    Auction Name
    2025-26 (T-1) One Year Ahead Capacity Auction
    CM Unit Name
    Nairn Road Arthur
    Name of Applicant
    GNNR LTD
    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
    2025-03-31
    Auction Acquired Capacity Obligation
    3.138
    Secondary Trading Contact - Telephone
    '+4401315144444
    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-12025-26 (T-1) One Year Ahead Capacity Auction
    3.14 MW Prequalified
    Component ID: 534700
    Capacity: 3.14 MW
    Status: Prequalified
    Auction-specific values (differ from CMU baseline):
    • OS Grid Reference: NT 018 696
    • Location and Post Code: 3 Nairn Road, Deans Industrial Estate, Livingston, West Lothian, EH54 8AY
    • Primary Fuel of Component: Gas
    • Generating Technology Class: Reciprocating engines
    • Description of CMU Components: Reciprocating engine (natural gas fuelled)
    CMU GNRA02
    3.019 GNNR LTD
    Prequalified
  • ✓ Prequalified
  • 2024-25
    Capacity Information
    De-Rated Capacity
    3.019
    Connection/DSR Capacity
    3.2
    Anticipated Capacity
    3.019
    Max Obligation Period
    1
    Unit Information
    CMU Type
    Non CMRS
    Primary Fuel
    Gas
    Category
    Existing Generating 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
    Greenspan Energy Limited
    Registered Holder
    GNNR LTD
    Opt Out Status
    Opt-In
    Agreement Details
    Agreement Awarded
    Yes
    Agreement ID
    CAN-2024-GNRA02-001
    Agreement Term
    1
    _id
    10682
    CMU ID
    GNRA02
    Auction
    Capacity Auction
    Auction Name
    2024-25 (T-1) One Year Ahead Capacity Auction
    CM Unit Name
    GNRA02
    Name of Applicant
    GNNR LTD
    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
    3.019
    Secondary Trading Contact - Telephone
    '+4401315144444
    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: 54480
    Status: Prequalified
    Auction-specific values (differ from CMU baseline):
    • OS Grid Reference: NT 018 696
    • Location and Post Code: 3 Nairn Road, Deans Industrial Estate, Livingston, West Lothian, EH54 8AY
    • Primary Fuel of Component: Gas
    • Generating Technology Class: Reciprocating engines
    • Description of CMU Components: gas generator
    CMU GNRB02
    3.17 GNNR LTD
    Prequalified
  • ✓ Prequalified
  • 2024-25
    Capacity Information
    De-Rated Capacity
    3.17
    Connection/DSR Capacity
    3.36
    Anticipated Capacity
    3.17
    Max Obligation Period
    1
    Unit Information
    CMU Type
    Non CMRS
    Primary Fuel
    Gas
    Category
    Existing Generating 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
    Greenspan Energy Limited
    Registered Holder
    GNNR LTD
    Opt Out Status
    Opt-In
    Agreement Details
    Agreement Awarded
    Yes
    Agreement ID
    CAN-2024-GNRB02-001
    Agreement Term
    1
    _id
    10683
    CMU ID
    GNRB02
    Auction
    Capacity Auction
    Auction Name
    2024-25 (T-1) One Year Ahead Capacity Auction
    CM Unit Name
    GNRB02
    Name of Applicant
    GNNR LTD
    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
    3.17
    Secondary Trading Contact - Telephone
    '+4401315144444
    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: 54811
    Status: Prequalified
    Auction-specific values (differ from CMU baseline):
    • OS Grid Reference: NT 018 696
    • Location and Post Code: 3 Nairn Road, Deans Industrial Estate, Livingston, West Lothian, EH54 8AY
    • Primary Fuel of Component: Gas
    • Generating Technology Class: Reciprocating engines
    • Description of CMU Components: Operational gas generator
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