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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:

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  • Open Cycle Gas Turbine (OCGT)

    62 unique locations (1454 components) - Page 2 of 3

    All
  • Active
  • Inactive
  • Sort by: A-Z Components MW Date
    Marsh Green Industrial Park Marsh Barton Trading Estate Exeter Devon EX2 8NY(8 components)

    Existing OCGT. (3)

    Reciprocating enginesOpen Cycle Gas Turbine (OCGT)WHITETOWER ENERGY LIMITEDEX2
    Active • 2028-29 (T-4), 2027-28 (T-4) ...
    128.10 MW
    Lynchford Lane, Farnborough, GU14 6LW(4 components)

    10 gas reciprocating engines used for power generation, with associated infrastructure. (3)

    Open Cycle Gas Turbine (OCGT)Gas Generation Buckland Road LimitedGU14
    Active • 2024-25 (T-4), 2023-24 (T-4) ...
    Little Barford Power Station Little Barford St Neots PE19 6YT(22 components)
    • Little Barford 1 CCGT MSID: 4052 (2)
    • Little Barford 1 OCGT . fuel type is distillate MSID: 4052
    Open Cycle Gas Turbine (OCGT)OCGT and Reciprocating EnginesCombined Cycle Gas Turbine (CCGT)RWE GENERATION UK PLCPE19
    Active • 2028-29 (T-4), 2027-28 (T-4) ...
    2060.91 MW
    Little Barford Power Station Little Barford St Neots PE19 6YT(24 components)
    • Little Barford 1 CCGT MSID: 4052 (3)
    • Little Barford 1 OCGT . fuel type is distillate MSID: 4052 (2)
    Open Cycle Gas Turbine (OCGT)OCGT and Reciprocating EnginesCombined Cycle Gas Turbine (CCGT)RWE GENERATION UK PLCPE19
    Active • 2028-29 (T-4), 2027-28 (T-4) ...
    2060.91 MW
    Land off Well Street, Paisley, PA1 2QH(4 components)

    4 gas reciprocating engines used for power generation, with associated infrastructure. (3)

    Open Cycle Gas Turbine (OCGT)Gas Generation Paisley LimitedPA1
    Active • 2024-25 (T-4), 2023-24 (T-4) ...
    land at Walton Common north of the National Grid Substation, Fort Road, Tilbury, RM18 8UL.(6 components)
    • Gas reciprocating engines
    • Thurrock Power Limited has secured a "blue chip" manufacturer as the EPC contractor to engineer, procure and construct a battery …
    • Thurrock Power Limited has secured a "blue chip" manufacturer as the EPC contractor to engineer, procure and construct a gas …
    BatteryReciprocating enginesStorage (Duration 2h)Open Cycle Gas Turbine (OCGT)THURROCK POWER LIMITEDRM18
    Active • 2027-28 (T-4), 2026-27 (T-4) ...
    817.08 MW
    land at Hoon Hay Farm, Marston Lane, Hatton, Derbyshire, DE65 5EA(1 component)

    gas powered generator to be installed on designated land within a manufacturing compound at the Hoon Hay Farm.

    Open Cycle Gas Turbine (OCGT)HATTON FARM ENERGY LIMITEDDE65
    Active • 2024-25 (T-4)
    Keadby Power Station Trentside, Keadby, Scunthorpe, DN17 3EF(39 components)
    • Keadby 1 CCGT (2)
    • Keadby GT3
    Open Cycle Gas Turbine (OCGT)Combined Cycle Gas Turbine (CCGT)KEADBY GENERATION LIMITEDDN17
    Active • 2028-29 (T-4), 2027-28 (T-4) ...
    4933.66 MW
    Indian Queens Power Station St. Dennis St. Austell PL26 8BY(11 components)

    Indian Queens Power Station (3)

    Open Cycle Gas Turbine (OCGT)OCGT and Reciprocating Engines (Fuel Type - Diesel)INDIAN QUEENS POWER LIMITEDPL26
    Active • 2028-29 (T-4), 2027-28 (T-4) ...
    396.23 MW
    Fort Parkway Heartlands Birmingham B24 9QT(16 components)

    Existing OCGT (3)

    Reciprocating enginesOpen Cycle Gas Turbine (OCGT)WHITETOWER ENERGY LIMITEDB24
    Active • 2028-29 (T-4), 2027-28 (T-4) ...
    267.28 MW
    Fort Parkway Heartlands Birmingham B24 9QT(16 components)

    Existing OCGT (5)

    Reciprocating enginesOpen Cycle Gas Turbine (OCGT)WHITETOWER ENERGY LIMITEDB24
    Active • 2028-29 (T-4), 2027-28 (T-4) ...
    267.28 MW
    Fiddler's Ferry Power Station, Widnes Road, Cuerdley, Warrington, WA5 2UT(86 components)
    • Generating Unit 1
    • Generating Unit 2
    • Generating Unit 3
    CoalCoal/biomassOpen Cycle Gas Turbine (OCGT)OCGT and Reciprocating Engines (Fuel Type - Diesel)KEADBY GENERATION LIMITEDWA5
    Active • 2025-26 (T-4), 2024-25 (T-4) ...
    Ferrybridge Power Station, Stranglands Lane, Knottingley, West Yorkshire, WF11 8SQ(57 components)
    • Aux. load separately metered
    • GT5
    • GT8
    CoalCoal/biomassOpen Cycle Gas Turbine (OCGT)OCGT and Reciprocating EnginesKEADBY GENERATION LIMITEDWF11
    Active • 2025-26 (T-4), 2024-25 (T-4) ...
    Factory Lane Croydon Surrey CR0 3RL(7 components)

    Existing OCGT. (3)

    Open Cycle Gas Turbine (OCGT)WHITETOWER ENERGY LIMITEDCR0
    Active • 2028-29 (T-4), 2027-28 (T-4) ...
    131.30 MW
    Eggborough Power Station, Goole, East Yorkshire, DN14 0BS(49 components)
    • New build Open Cycle Gas Turbine unit 5 at Eggborough Power Station (2)
    • Battery Energy Storage System built on land at the former Eggborough Power Station (Unit 7)
    CoalBatteryStorageCoal/biomassStorage (Duration 2h)Storage (Duration 4h)Open Cycle Gas Turbine (OCGT)Combined Cycle Gas Turbine (CCGT)Plutus Energy LTDDN14
    Active • 2028-29 (T-4), 2027-28 (T-4) ...
    2549.84 MW
    EDF Energy (Thermal Generation) Limited, West Burton A Power Station, West Burton, Retford, Nottinghamshire, DN22 9BL(63 components)
    • West Burton A Power Station Combined CMU WAC-22 = 100% (T_WBUPS-1) + 100% (T_WBUPS-2) +100% (T_WBUPS-3) +100% (T_WBUPS-4) +100% (T_WBUGT-1) …
    • West Burton A Power Station Combined CMU WAC-22 = 100% (T_WBUPS-1) + 100% (T_WBUPS-2) +100% (T_WBUPS-3) +100% (T_WBUPS-4) +100% (T_WBUGT-1) …
    • West Burton A Power Station Combined CMU WAC-22 = 100% (T_WBUPS-1) + 100% (T_WBUPS-2) +100% (T_WBUPS-3) +100% (T_WBUPS-4) +100% (T_WBUGT-1) …
    CoalOpen Cycle Gas Turbine (OCGT)EDF ENERGY (THERMAL GENERATION) LIMITEDDN22
    Active • 2026-27 (T-4), 2025-26 (T-4) ...
    Drax Power Station, Selby, North Yorkshire, YO8 8PH(58 components)
    • A coal-fired boiler turbine unit at Drax Power Station with BMU identifier T_DRAXX-5.
    • This CMU component is an open cycle gas turbine unit fuelled by distillate with BMU identifier T_DRAXX-10G under the BSC.
    • This CMU component is an open cycle gas turbine unit fuelled by distillate with BMU identifier T_DRAXX-12G under the BSC.
    CoalCoal/biomassOpen Cycle Gas Turbine (OCGT)Plutus Energy LTDYO8
    Active • 2028-29 (T-4), 2027-28 (T-4) ...
    268.28 MW
    Drax Power Station, Drax, Selby, YO8 8PH(22 components)

    This CMU component is a coal-fired boiler turbine unit at Drax Power Station with BMU identifier T_DRAXX-6 under the BSC. (3)

    CoalCoal/biomassOpen Cycle Gas Turbine (OCGT)OCGT and Reciprocating Engines (Fuel Type - Diesel)Plutus Energy LTDYO8
    Active • 2028-29 (T-4), 2027-28 (T-4) ...
    Didcot OCGT Power Station Didcot Oxfordshire OX11 7HA(48 components)
    • Didcot 1 OCGT - Power factor used for conversion of kVA to MW is 1 Fuel type is distillate MSID: …
    • Didcot 2 OCGT - Power factor used for conversion of kVA to MW is 1 . Fuel type is distillate …
    • Didcot 3 OCGT - Power factor used for conversion of kVA to MW is 1 . Fuel type is distillate …
    Open Cycle Gas Turbine (OCGT)OCGT and Reciprocating EnginesRWE GENERATION UK PLCOX11
    Active • 2028-29 (T-4), 2027-28 (T-4) ...
    283.02 MW
    Didcot OCGT Power Station Didcot Oxfordshire OX11 7HA(52 components)
    • Didcot 1 OCGT - Power factor used for conversion of kVA to MW is 1 Fuel type is distillate MSID: … (2)
    • Didcot 2 OCGT - Power factor used for conversion of kVA to MW is 1 . Fuel type is distillate …
    • Didcot 3 OCGT - Power factor used for conversion of kVA to MW is 1 . Fuel type is distillate …
    • ... and 1 more unique description
    Open Cycle Gas Turbine (OCGT)OCGT and Reciprocating EnginesRWE GENERATION UK PLCOX11
    Active • 2028-29 (T-4), 2027-28 (T-4) ...
    283.02 MW
    Cowes Power Station Kingston Road East Cowes Isle of Wight PO32 6JS(25 components)
    • Cowes 1 - OCGT, fuel is distillate MSID: 4548 (2)
    • Cowes 2 - OCGT, fuel is distillate MSID: 4548
    Open Cycle Gas Turbine (OCGT)OCGT and Reciprocating EnginesRWE GENERATION UK PLCPO32
    Active • 2028-29 (T-4), 2027-28 (T-4) ...
    396.23 MW
    Cowes Power Station Kingston Road East Cowes Isle of Wight PO32 6JS(27 components)
    • Cowes 1 - OCGT, fuel is distillate MSID: 4548 (3)
    • Cowes 2 - OCGT, fuel is distillate MSID: 4548 (2)
    Open Cycle Gas Turbine (OCGT)OCGT and Reciprocating EnginesRWE GENERATION UK PLCPO32
    Active • 2028-29 (T-4), 2027-28 (T-4) ...
    396.23 MW
    Chickerell Generation Site, Off Radipole Lane, Chickerell, Weymouth, DT3 4PA(12 components)

    1 x OCGT (3)

    Open Cycle Gas Turbine (OCGT)SSEPG (OPERATIONS) LIMITEDDT3
    Active • 2028-29 (T-4), 2027-28 (T-4) ...
    177.11 MW
    Cheshire Power Station North Road Ellesmere Port South Wirral CH65 1AF(11 components)

    One (1) Open Cycle Gas Turbine MSID: 7382 (3)

    Open Cycle Gas Turbine (OCGT)RWE GENERATION UK PLCCH65
    Active • 2028-29 (T-4), 2025-26 (T-1) ...
    123.42 MW
    Chase Hill Road Killingholme North Lincolnshire DN40 3LU(26 components)
    • Killingholme Module 1 converted to open cycle operation (2)
    • Killingholme Module 2 converted to open cycle operation
    Open Cycle Gas Turbine (OCGT)OCGT and Reciprocating Engines (Fuel Type - Gas)UNIPER UK LIMITEDDN40
    Active • 2028-29 (T-4), 2027-28 (T-4) ...
    1775.69 MW
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