Waterswallows Energy Limited - CMR Capacity Auction Components

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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 View

The Map View shows components geographically with filtering options for:

Technology type
Active/Inactive status
Company

The map provides a visual representation of capacity distribution across the UK.

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]

Waterswallows Energy Limited

31 unique locations • 173 components • Page 1 of 1

Sort by: A-Z Date Components MW ↓

Cwm Rheidol Aberystywth, Ceredigion SY23 3NF Aberystwyth (26 components)

• The CMU is belonging to the hydro-electric power scheme ?Rheidol? close to Aberystwyth ? Ceredigion - mid-Wales. The respective CMU … (3)
• The CMU is belonging to the hydro-electric power scheme ?Rheidol? close to Aberystwyth ? Ceredigion - mid-Wales. The respective CMU … (2)

Hydro

90.7 MW

Active - 2028-29 (T-4), 2026-27 (T-4), 2025-26 (T-4) (and 7 more)

Maentwrog Power Station Magnox Ltd Maentwrog nr Blaenau Ffestiniog Gwynedd LL414HY UK (14 components)

Maentwrog hydroelectric station is a 30MW plant near Blaenau Ffestiniog- Gwynedd. The plant was constructed in 1928 features two 15MW units and takes its water feed from the Llyn Trawsfynydd … (5)

Hydro

78.7 MW

Active - 2028-29 (T-4), 2027-28 (T-4), 2026-27 (T-4) (and 7 more)

47-53 Charterhouse Street, London, EC1M 6PB (17 components)

A site with two gas engine CHPs, providing hot water to a local district heating network as well as chilled water from an absorption chiller to a district chill network. (5)

CHP and autogeneration Combined Heat and Power (CHP)

21.5 MW

Active - 2028-29 (T-4), 2027-28 (T-4), 2026-27 (T-4) (and 7 more)

Michelin Tyre Company Limited, Campbell Road, Stoke On Trent, Staffordshire, ST4 4EY (9 components)

A gas engine CHP site providing hot water to an industrial unit (5)

Combined Heat and Power (CHP)

1.6 MW

Active - 2027-28 (T-4), 2026-27 (T-4), 2025-26 (T-4) (and 5 more)

Drayton Garden Village CHP, Porters Way, Hillingdon, Greater London, UB7 9AA (10 components)

A gas engine CHP site providing hot water to a local district heating network (5)

Combined Heat and Power (CHP)

1.4 MW

Active - 2028-29 (T-4), 2027-28 (T-4), 2026-27 (T-4) (and 6 more)

Academy CHP, Lodge Avenue, Academy Way, Dagenham, London, RM8 2JA (10 components)

A gas engine CHP site providing hot water to a local district heating network (5)

Combined Heat and Power (CHP)

1.3 MW

Active - 2028-29 (T-4), 2027-28 (T-4), 2026-27 (T-4) (and 6 more)

Colindale CHP, Joslin Avenue, Barnet, London, NW9 5HW (10 components)

A 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 (8)

Combined Heat and Power (CHP)

1.1 MW

Active - 2028-29 (T-4), 2027-28 (T-4), 2026-27 (T-4) (and 6 more)

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

A gas engine CHP site providing hot water to a local district heating network (8)

Combined Heat and Power (CHP)

0.8 MW

Active - 2028-29 (T-4), 2027-28 (T-4), 2026-27 (T-4) (and 6 more)

Maple Quay CHP, Montreal House, Surrey Quay Road, Rotherhithe, London, SE16 7AP (10 components)

A gas engine CHP site providing hot water to a local district heating network (8)

Combined Heat and Power (CHP)

0.8 MW

Active - 2028-29 (T-4), 2027-28 (T-4), 2026-27 (T-4) (and 6 more)

Cannon Wharf CHP, Yeoman Street, London, SE8 5DT (10 components)

A gas engine CHP site providing hot water to a local district heating network (5)

Combined Heat and Power (CHP)

0.4 MW

Active - 2028-29 (T-4), 2027-28 (T-4), 2026-27 (T-4) (and 6 more)

Barrier Park CHP, North Woolwich Road, Silvertown, London, E16 2HP (10 components)

A gas engine CHP site providing hot water to a local district heating network (5)

Combined Heat and Power (CHP)

0.4 MW

Active - 2028-29 (T-4), 2027-28 (T-4), 2026-27 (T-4) (and 6 more)

St Andrews CHP, Devons Road, Bromley by Bow, London, E3 3BF (10 components)

A gas engine CHP site providing hot water to a local district heating network (5)

Combined Heat and Power (CHP)

0.4 MW

Active - 2028-29 (T-4), 2027-28 (T-4), 2026-27 (T-4) (and 6 more)

Bath CHP, Midland Road, Bath, BA2 3EW (10 components)

A gas engine CHP site providing hot water to a local district heating network (8)

Combined Heat and Power (CHP)

0.3 MW

Active - 2028-29 (T-4), 2027-28 (T-4), 2026-27 (T-4) (and 6 more)

KGV Pumping Station, East Camperdown Road, Dundee, DD1 3LG (2 components)

Water pumping station comprising of electrical pumps that can be modulated or turned off.

DSR

Inactive - 2022-23 (T-4)

Elmer Water Treatment Works, Hawks Hill, Fetcham, Leatherhead, Surrey KT22 9DA (5 components)

Combination of load curtailment and standby generation (4)

DSR

Inactive - 2022-23 (T-4), 2021-22 (T-4), 2020-21 (T-4) (and 1 more)

Red Roofs Nursery Limited, North Moor Lane, Cottingham, Hull, HU16 4JN (3 components)

A gas engine CHP site providing hot water to agricultural greenhouses (2)

Combined Heat and Power (CHP)

Inactive - 2023-24 (T-4), 2022-23 (T-4), 2022-23 (T-3)

Javelin Park Energy From Waste Plant, Javelin Park Bath Road Near Haresfield, Gloucestershire (6 components)

Energy from Waste facility for the combustion of waste and the generation of energy, comprising the main EfW facility, a Bottom Ash processing facility and Education/Visitor Centre, together with Associated/Ancillary … (3)

Energy from Waste

Inactive - 2022-23 (T-4), 2022-23 (T-3), 2020-21 (T-1) (and 1 more)

Hempstead Lane, Hempstead, Gloucester GL2 5LF (11 components)

• A standby diesel generator on a waster water treatment works. (3)
• A standby diesel generator on a waste water treatment works. (2)

DSR

Active - 2028-29 (T-4), 2027-28 (T-4), 2024-25 (T-4) (and 6 more)

Thames Water Sewage Treatment Works Ducklington Lane Witney OX28 5JH (2 components)

A new power plant, with associated civil works, switchgear and electrical connection. (2)

Storage Storage (Duration 0.5h)

Inactive - 2022-23 (T-4), 2021-22 (T-4)

Wimbourne Bournemouth BH21 5EP (4 components)

Water treatment centre (3)

DSR

Inactive - 2023-24 (T-4), 2022-23 (T-4), 2022-23 (T-3) (and 1 more)

Francis Avenue Bournemouth BH11 8NX (4 components)

Water treatment centre (3)

DSR

Inactive - 2023-24 (T-4), 2022-23 (T-4), 2022-23 (T-3) (and 1 more)

Christchurch Bournemouth BH23 2JY (4 components)

Water treatment centre (3)

DSR

Inactive - 2023-24 (T-4), 2022-23 (T-4), 2022-23 (T-3) (and 1 more)

Braunton Road Ashford Barnstaple Devon EX31 4BR (4 components)

Water treatment centre (3)

DSR

Inactive - 2023-24 (T-4), 2022-23 (T-4), 2022-23 (T-3) (and 1 more)

Chenhalls Road St Erth Hale Cornwall TR27 6LA (4 components)

Water treatment centre (3)

DSR

Inactive - 2023-24 (T-4), 2022-23 (T-4), 2022-23 (T-3) (and 1 more)

Northumbrian Water Plc Water Pumping Station Middlemead West Hanningfield Chelmsford Essex CM3 8HS (3 components)

2 MW of demand reduction (2)

DSR

Inactive - 2022-23 (T-4), 2019-20 (T-1)

Water Treatment Plant & Premises, Land to the south of Rumer Hill Road, Cannock WS11 8EX (2 components)

• Gas fired generating unit(s)
• Gas fired generating units

Reciprocating engines OCGT and Reciprocating Engines (Fuel Type - Gas)

Inactive - 2022-23 (T-4), 2021-22 (T-4)

Kenley Water Treatment Works, Godstone Road, Kenley, Surrey, CR8 5AE (5 components)

Mix of load reduction and standby generation (4)

DSR

Inactive - 2022-23 (T-4), 2021-22 (T-4), 2020-21 (T-4) (and 1 more)

Cranbrook CHP, Honiton Road, Cranbrook, Exeter, EX5 2DX (3 components)

A gas engine CHP site providing hot water to a local district heating network, as well as a solar PV installation on site but is metered seperately to the CHP … (2)

Combined Heat and Power (CHP)

Inactive - 2022-23 (T-4), 2019-20 (T-1)

Red Roofs Nursery Limited, Dunswell Road, Cottingham, Hull, HU16 4JT (1 components)

A gas engine CHP site providing hot water to agricultural greenhouses

Combined Heat and Power (CHP)

Inactive - 2022-23 (T-4)

Essex & Suffolk Water PLC Pumping Station No 1 Feeder 1 Hatfield Road Langford Chelmsford Essex, CM9 6QA (3 components)

3 MW of demand reduction (2)

DSR

Inactive - 2022-23 (T-4), 2019-20 (T-1)

Water Orton, Birmingham, B46 1NU (2 components)

Gas fired reciprocating engines.

Reciprocating engines

Inactive - 2022-23 (T-4)

Showing locations 1 - 31 of 31