# Sizewell C Limited

## Details

- **Company number:** [09284825](https://find-and-update.company-information.service.gov.uk/company/09284825)
- **Status:** Active
- **Type:** Private Limited Company
- **Incorporated:** 28 Oct 2014
- **Registered office:** 25 COPTHALL AVENUE, LONDON, EC2R 7BP
- **Nature of business:** [35110](/sic/35110) Production of electricity
- **Corporate group:** [GMV Nominees Ltd](/group/4) (48372 companies)


## Previous names

- NNB Generation Company (Szc) Ltd (until 12 Jun 2023)




## Control

| Name | Nature of control | Notified | Ceased |
|---|---|---|---|
| Sizewell C (Holding) Limited | ownership-of-shares-75-to-100-percent, voting-rights-75-to-100-percent, right-to-appoint-and-remove-directors | 6 Apr 2016 | 17 Sep 2025 |
| Sizewell C (Holdco) Limited | significant-influence-or-control | 4 Nov 2025 |  |
| Edf Energy Holdings Limited | significant-influence-or-control | 4 Nov 2025 |  |
| Sizewell C (Pledgeco) Limited | ownership-of-shares-75-to-100-percent, voting-rights-75-to-100-percent | 17 Sep 2025 |  |




## Owned by

Sizewell C Limited → [EDF Energy Holdings Limited](/company/06930266) → [EDF Energy (UK) Limited](/company/02622406)



## Controls

- [Nuclear Services (Technical) Company Limited](/company/15749828) (15749828)




## Companies at the same address

- [Sizewell C (Holding) Limited](/company/09284751) (09284751)
- [Sizewell C (Pledgeco) Limited](/company/16480404) (16480404)
- [SZC Fdp Company Limited](/company/16662388) (16662388)