Database Statistics

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Total Components

47,456

Unique CMUs

9,978

Total Companies

1,666

Unique Locations

15,936

Company Distribution

Technology Distribution

Top 25 Companies

Component Capacity (MW)
OCTOPUS ENERGY LIMITED 9,000 components
FLEXITRICITY LIMITED 5,232 components
AXLE ENERGY LIMITED 5,011 components
ENEL X UK LIMITED 2,511 components
GRIDBEYOND LIMITED 2,508 components
LEVELISE LIMITED 971 components
P3P Partners LLP 933 components
Veolia UK Limited 792 components
Waterswallows Energy Limited 715 components
KIWI POWER LTD 613 components
E.ON UK PLC 572 components
SSE ENERGY SUPPLY LIMITED 523 components
LIMEJUMP LTD 516 components
ENERSYST LIMITED 473 components
CENTRICA BUSINESS SOLUTIONS UK OPTIMISATION … 382 components
FRP MERCIA HOLDCO 2 LIMITED 361 components
ALKANE ENERGY UK LIMITED 345 components
RWE GENERATION UK PLC 315 components
Plutus Energy LTD 279 components
OAKTREE POWER LIMITED 273 components
VEOLIA UK LIMITED 266 components
UK POWER RESERVE LIMITED 243 components
CORBY POWER LIMITED 242 components
HARTREE SOLUTIONS (UK) LIMITED 223 components
SSE GENERATION LIMITED 218 components
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Top 25 by Tech

Component Capacity (MW)
Combined Cycle Gas Turbine (CCGT) 69,841.93 MW
Combined Heat and Power (CHP) 13,305.14 MW
Nuclear 11,061.71 MW
Open Cycle Gas Turbine (OCGT) 8,472.08 MW
Storage (Duration 2h) 6,535.35 MW
Reciprocating engines 4,421.49 MW
Hydro 3,082.98 MW
Storage (Duration 9h) 3,019.32 MW
Biomass 2,776.94 MW
Storage (Duration 4h) 2,664.23 MW
Energy from Waste 2,399.07 MW
Storage (Duration 9.5h) 1,390.02 MW
Storage (Duration 1.5h) 928.64 MW
Storage (Duration 12h) 870.33 MW
Storage (Duration 5h) 629.39 MW
Storage (Duration 1h) 358.58 MW
Storage (Duration 2.5h) 287.37 MW
Storage (Duration 8h) 255.26 MW
Onshore Wind 246.57 MW
Offshore Wind 228.78 MW
Solar Photovoltaic 123.25 MW
Storage (Duration 3h) 85.68 MW
Storage (Duration 6h) 65.87 MW
Storage (Duration 3.5h) 60.03 MW
Storage (Duration 8.5h) 21.72 MW
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Top 20 Components by De-rated Capacity (MW)

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Components Currently in Capacity Market (2025-2028)

Showing first 20 of 14709 components currently in the capacity market (sorted A-Z by location)

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Components Formerly in Capacity Market (Pre-2025 Only)

Showing first 20 of 26612 CMUs/components that were in the market before 2025 but are no longer included (sorted A-Z by location)

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Delivery Year Distribution

Distribution of components by delivery year

2016 279 (0.6%)
2017 1,830 (3.9%)
2018 1,321 (2.8%)
2019 1,693 (3.6%)
2020 2,831 (6.0%)
2021 3,110 (6.6%)
2022 4,229 (8.9%)
2023 5,105 (10.8%)
2024 12,349 (26.0%)
2025 3,590 (7.6%)
2026 3,978 (8.4%)
2027 5,036 (10.6%)
2028 2,105 (4.4%)