NATIONAL GRID ELECTRICITY TRANSMISSION PLC
Active Company number 02366977
NATIONAL GRID ELECTRICITY TRANSMISSION PLC (company number 02366977) is a public limited company incorporated on 1 April 1989. Its status on the Companies House register is Active. Its registered office is in WC2N 5EH. Its nature of business (SIC 2007) is transmission of electricity (35120). Its latest accounts we hold, for the period ending 31 March 2026, report turnover of £2.9bn.
Source: Companies House register, as at 29 September 2026. How to cite this page
Information only, not advice. Register details and accounts figures are the company's own filings, shown as filed: CompanyStack does not audit or verify them and accepts no responsibility for decisions made on them. Check important facts at Companies House.
Company Report on NATIONAL GRID ELECTRICITY TRANSMISSION PLC (PDF)
The register, the accounts and the people behind the company in one PDF, for your own business use.
- Summary and Health Score: with the reasons behind the score
- Red flags: and what changed in the last 12 months
- Key figures: the accounts to 31 Mar 2026 against the year before
- Filing deadlines: accounts due 30 Sep 2027; confirmation statement due 15 Aug 2027
- Financials ledger: 3 years of filed accounts held (2024–2026)
- Who runs and owns it: 1 PSC
- Charges: 3 outstanding of 3 charges registered
- Filing history and methodology: with sources and a disclaimer
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Company details
- Company number
- 02366977
- Status
- Active
- Company type
- Public Limited Company
- Incorporated
- 1 April 1989
- Country of origin
- United Kingdom
- Registered office
- 1 - 3 STRAND
LONDON
WC2N 5EH
Nature of business (SIC 2007)
Accounts and confirmation statement
- Accounting reference date
- 31 March
- Accounts category
- GROUP
- Accounts last made up to
- 31 March 2026
- Next accounts due
- 30 September 2027
- Confirmation statement last made up to
- 1 August 2026
- Next confirmation statement due
- 15 August 2027
Financial summary
| Period ending | 31 March 2026 | 31 March 2025 | 31 March 2024 |
|---|---|---|---|
| Turnover | £2.9bn | — | £2.7bn |
| Operating profit | £1.6bn | — | £1.6bn |
| Profit after tax | £1.0bn | — | £1.0bn |
| Total assets | — | £20.5bn | — |
| Cash at bank | — | £15.0m | — |
| Current liabilities | — | — | £1.6bn |
| Net current liabilities | — | — | £322.0m |
| Total liabilities | — | £14.7bn | £13.7bn |
| Net assets | — | £5.8bn | £5.2bn |
—: no figure read from the filing.
Figures read from filings at Companies House (group) and checked; see how we read them. Small-company accounts often omit turnover and profit. Spotted an error? Tell us.
Control, officers and charges
- Persons with significant control
- 1 current (1 including ceased)
- Corporate controllers
- National Grid Holdings Limited
- Charges (mortgages)
- 3 registered, 3 outstanding, 0 satisfied
Questions about NATIONAL GRID ELECTRICITY TRANSMISSION PLC
Is NATIONAL GRID ELECTRICITY TRANSMISSION PLC active?
Yes. The Companies House register shows the company's status as “Active”. (Companies House register, as at 29 September 2026.)
When was NATIONAL GRID ELECTRICITY TRANSMISSION PLC incorporated?
NATIONAL GRID ELECTRICITY TRANSMISSION PLC was incorporated on 1 April 1989, according to the Companies House register. (Companies House register, as at 29 September 2026.)
Where is NATIONAL GRID ELECTRICITY TRANSMISSION PLC registered?
Its registered office is in WC2N 5EH. (Companies House register, as at 29 September 2026.)
Who controls NATIONAL GRID ELECTRICITY TRANSMISSION PLC?
The register lists 1 current person with significant control (1 including those who have ceased). Corporate controllers named on the register: National Grid Holdings Limited. The register shows control, not a list of shareholders. Individuals are named at https://find-and-update.company-information.service.gov.uk/company/02366977/persons-with-significant-control. (Companies House register, as at 29 September 2026.) Who owns a UK limited company: shareholders, PSCs and what the register shows
When are NATIONAL GRID ELECTRICITY TRANSMISSION PLC's next accounts due?
The register shows the next accounts as due by 30 September 2027. Its latest accounts on the register were made up to 31 March 2026. (Companies House register, as at 29 September 2026.)
Does NATIONAL GRID ELECTRICITY TRANSMISSION PLC file dormant accounts?
Not in its latest accounts. The register gives their category as “Group accounts”, made up to 31 March 2026. (Companies House register, as at 29 September 2026.) What a dormant company is and what it must file
Does NATIONAL GRID ELECTRICITY TRANSMISSION PLC have any charges registered against it?
Yes. The register shows 3 charges: 3 outstanding and 0 satisfied. The charges themselves are listed at https://find-and-update.company-information.service.gov.uk/company/02366977/charges. (Companies House register, as at 29 September 2026.) Company charges: what a mortgage or debenture means and how to read one
Is NATIONAL GRID ELECTRICITY TRANSMISSION PLC on a sanctions list?
No match for this company's name on the sanctions lists CompanyStack screens (UK, EU, OFAC SDN, OFAC non-SDN, Canada, Australia, New Zealand, Japan, France, US CSL) as at 9 October 2026. A name screen is not legal clearance.
Related companies
More transmission of electricity companies
- NORTHERN IRELAND ELECTRICITY NETWORKS LIMITED
- MUTUAL ENERGY LIMITED
- MOYLE INTERCONNECTOR (FINANCING) PUBLIC LIMITED COMPANY
- DIAMOND TRANSMISSION PARTNERS HORNSEA TWO LIMITED
- GWYNT Y MOR OFTO PLC
- GWYNT Y MOR OFTO HOLDINGS LIMITED
- PHASE M/E SOLUTIONS LIMITED
- GREATER GABBARD OFTO PLC
Industry overview: 434 active companies in SIC 35120
Other active companies registered at WC2N 5EH
Related guides
Companies with similar names
Other companies, LLPs and partnerships on the Companies House register whose names begin “NATIONAL GRID”. Each is a separate legal entity from NATIONAL GRID ELECTRICITY TRANSMISSION PLC: check the registered number before relying on a name. Register data as at 29 September 2026.
- NATIONAL GRID (US) HOLDINGS LIMITED (Company, Active; 02630496)
- NATIONAL GRID (US) INVESTMENTS 4 LIMITED (Company, Active; 03867128)
- NATIONAL GRID (US) PARTNER 1 LIMITED (Company, Active, London; 04314432)
- NATIONAL GRID CARBON LIMITED (Company, Active; 03932833)
- NATIONAL GRID COMMERCIAL HOLDINGS LIMITED (Company, Active; 04042700)
- NATIONAL GRID CONTINENTAL LIMITED (Company, Active, London; 14716234)
About CompanyStack
CompanyStack turns Companies House records into answers you can act on: who a company is, who runs and owns it, whether it keeps up with its filings and how its finances are moving. Every figure traces back to a public record, and we say when a record is missing.
Sources for company pages: Companies House (register, accounts, officers, PSCs, charges and filings), The Gazette (company insolvency notices only), the ONS Postcode Directory, official sanctions lists, including those of the UK (with UN designations), the EU, the US, Canada, Australia, New Zealand and France, and copies taken in April 2026 of the ICO register, the Charity Commission, CQC, Ofsted, Food Standards Agency and Environment Agency registers. Contains public sector information licensed under the Open Government Licence v3.0. CompanyStack is not affiliated with or endorsed by Companies House.
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Use this data
Official register entry: NATIONAL GRID ELECTRICITY TRANSMISSION PLC on Companies House.
Developers can fetch this profile as JSON with GET https://api.companystack.co.uk/company/02366977 — see the API documentation and pricing.