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Search Guide Understanding Auctions Search Results Component Grouping Sorting Map View Contact 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:

Gas DSR Nuclear CHP Solar Wind

Battery Biomass Hydro Interconnector Coal Other
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:

[email protected]

For LLMs

Complete programmatic access guide for LLMs:

E.ON UK PLC

24 unique locations (224 components)

Active MW: 1081.23 MW

Inactive MW: 2543.00 MW

Sort by: A-Z Components MW Date

35 Evelyn Street Surrey Quays London SE8 5RT (4 components)

A reciprocating gas engine CHP providing hot water to a local heating network

CHP and autogeneration E.ON UK PLC SE8

Inactive • 2018-19 (T-1), 2021-22 (T-4)

Academy Way, Dagenham, London, RM8 2BF (20 components)

A reciprocating gas engine CHP site providing hot water to a local district heating network.

CHP and autogeneration E.ON UK PLC RM8

Inactive • 2016-17 (TR), 2017-18 (T-1) ...

Akerman Road, Lambeth, London, SW9 6SN (10 components)

A reciprocating gas engine CHP site providing hot water to a local district heating network.

CHP and autogeneration E.ON UK PLC SW9

Inactive • 2017-18 (T-1), 2018-19 (T-1) ...

Devons Road, Bromley by Bow, London, E3 3BF (18 components)

A reciprocating gas engine CHP site providing hot water to a local district heating network.

CHP and autogeneration E.ON UK PLC E3

Inactive • 2016-17 (TR), 2017-18 (T-1) ...

Former Oldchurch Hospital Waterloo Road Romford, Essex RM7 0BE (5 components)

A reciprocating gas engine CHP providing hot water to a local heating network

CHP and autogeneration E.ON UK PLC RM7

Inactive • 2018-19 (T-1), 2021-22 (T-4)

Foundry Court, Southampton, SO19 9ST (5 components)

A reciprocating gas engine CHP providing hot water to a local heating network.

CHP and autogeneration E.ON UK PLC SO19

Inactive • 2018-19 (T-1), 2021-22 (T-4)

Fulham Riverside Townmead Road Fulham SW6 2SY (9 components)

A reciprocating gas engine CHP providing hot water to a local heating network

CHP and autogeneration E.ON UK PLC SW6

Inactive • 2018-19 (T-1), 2021-22 (T-4)

Gaumont Tower Dalston Square Hackney London E8 3BQ (5 components)

A reciprocating gas engine CHP providing hot water to a local heating network

CHP and autogeneration E.ON UK PLC E8

Inactive • 2018-19 (T-1), 2021-22 (T-4)

Honiton Road, Cranbrook, Exeter, EX5 2DX (19 components)

• A reciprocating gas engine CHP site providing hot water to a local district heating network. A solar PV installation is also installed on site, but is metered seperately to the CHP (see SLD).

• A reciprocating gas engine CHP site providing hot water to a local district heating network. A solar PV installation is also installed on site.

CHP and autogeneration E.ON UK PLC EX5

Inactive • 2016-17 (TR), 2017-18 (T-1) ...

Joslin Avenue, Barnet, London, NW9 5HB (18 components)

• A reciprocating gas engine CHP site providing hot water to a local district heating network, as well as providing some power direct via private wire to a local hotel.

• A reciprocating gas engine CHP site providing hot water to a local district heating network.

CHP and autogeneration E.ON UK PLC NW9

Inactive • 2016-17 (TR), 2017-18 (T-1) ...

Loampit Vale Elmira Street Lewisham London SE13 7DJ (5 components)

A reciprocating gas engine CHP providing hot water to a local heating network

CHP and autogeneration E.ON UK PLC SE13

Inactive • 2018-19 (T-1), 2021-22 (T-4)

Michelin Tyre Company Limited Campbell Road Stoke On Trent Staffordshire ST4 4EY (6 components)

CHP engine supplying heat and power to an industrial unit

CHP and autogeneration E.ON UK PLC ST4

Inactive • 2018-19 (T-1), 2021-22 (T-4)

Midland Road, Bath, BA2 3EW (18 components)

A reciprocating gas engine CHP site providing hot water to a local district heating network.

CHP and autogeneration E.ON UK PLC BA2

Inactive • 2016-17 (TR), 2017-18 (T-1) ...

Montreal House, Surrey Quay Road, Rotherhithe, London, SE16 7AP (19 components)

A reciprocating gas engine CHP site providing hot water to a local district heating network.

CHP and autogeneration E.ON UK PLC SE16

Inactive • 2016-17 (TR), 2017-18 (T-1) ...

North Woolwich Road Silvertown London E16 2HP (5 components)

A reciprocating gas engine CHP providing hot water to a local heating network

CHP and autogeneration E.ON UK PLC E16

Inactive • 2018-19 (T-1), 2021-22 (T-4)

Parkside Place, Harrow Road, Brent, Middlesex, HA0 2NB (4 components)

A reciprocating gas engine CHP providing hot water to a local heating network

CHP and autogeneration E.ON UK PLC HA0

Inactive • 2018-19 (T-1), 2021-22 (T-4)

Porters Way, Hillingdon, Greater London, UB7 9AA (13 components)

A reciprocating gas engine CHP site providing hot water to a local district heating network.

CHP and autogeneration E.ON UK PLC UB7

Inactive • 2017-18 (T-1), 2018-19 (T-1) ...

QMC Campus, Nottingham University Hospitals, Queens Medical Centre, Derby Road, Nottingham, NG7 2UH (13 components)

• A site with one gas turbine CHP, providing steam and electricity to Queens Medical Centre in Nottingham

• A site with one gas turbine CHP, providing steam and electricity to Queens Medical Centre in Nottingham.

CHP and autogeneration Combined Heat and Power (CHP) E.ON UK PLC NG7

Active • 2022-23 (T-3), 2022-23 (T-4) ...

Queensland Road, Islington, London, N7 7AJ (5 components)

A reciprocating gas engine CHP providing hot water to a local CHP network

CHP and autogeneration E.ON UK PLC N7

Inactive • 2018-19 (T-1), 2021-22 (T-4)

Racecourse Road Newbury West Berkshire RG14 7NZ (4 components)

A reciprocating gas engine CHP providing hot water to a local heating network

CHP and autogeneration E.ON UK PLC RG14

Inactive • 2018-19 (T-1), 2021-22 (T-4)

Red Roofs Nursery Limited Dunswell Road Cottingham Hull East Yorkshire HU16 4JT (5 components)

CHP engine supplying heat and power to agricultural greenhouses

CHP and autogeneration E.ON UK PLC HU16

Inactive • 2018-19 (T-1), 2021-22 (T-4)

Red Roofs Nursery Limited North Moor Lane Cottingham HU16 4JN (6 components)

CHP engine supplying heat and power to agricultural greenhouses

CHP and autogeneration E.ON UK PLC HU16

Inactive • 2018-19 (T-1), 2021-22 (T-4)

The Billingham Synthetic Plant Haverton Hill Road Billingham TS23 1PY (4 components)

The turbo alternator at the Billingham site

CHP and autogeneration E.ON UK PLC TS23

Inactive • 2018-19 (T-1)

Waddon Marsh Purley Way Croydon CR0 4NX (4 components)

A reciprocating gas engine CHP providing hot water to a local heat network

CHP and autogeneration E.ON UK PLC CR0

Inactive • 2018-19 (T-1), 2021-22 (T-4)

Showing 24 locations