StockData
NGGNYSENatural Gas TransmissionFiscal year ends March 31Also trades as NEWEN, NGGTF, NMKBP, NMKCP, NMPWP

NATIONAL GRID PLC

Financials through fiscal 2026, year ended Mar 31, 2026Last filing: 20-F on Jun 3, 2026
$79.05−2.17 (-2.67%)

Close on Oct 19, 2026

About National Grid

Natural Gas Transmission, SIC 4922

National Grid operates energy infrastructure networks delivering electricity and gas. Its principal activities include electricity transmission and distribution, energy system operation, power generation, and liquefied natural gas storage and regasification. The company organizes its business across several core reporting segments: UK Electricity Transmission, UK Electricity Distribution, New England, New York, and National Grid Ventures, alongside system operator and legacy gas transmission activities. Through these segments, the enterprise serves residential consumers, commercial and industrial enterprises, power generators, and interconnected utility networks requiring grid access, distribution capacity, and transmission services.

The business conducts its primary utility and transmission operations across the United Kingdom and the United States, maintaining regional networks within the New York and New England areas alongside its British electricity infrastructure. Corporate governance and financial domicile are centered in the United Kingdom, where the entity operates under domestic regulatory licenses while coordinating broader interstate and regional asset divisions.

Summary of the business section of National Grid's latest annual report, written by StockData.

Company profile

Company

Legal name
NATIONAL GRID PLC
Founded
1990
Headquarters
London, X0
Address
1-3 Strand WC2N 5EH
Phone
(44) 207 004 3220
Employees
33,017, Mar 31, 2026
Industry
Natural Gas Transmission
Fiscal year ends
March 31
Auditor
Deloitte LLP, London, United Kingdom

Stock & identifiers

Ticker
NGG
Other tickers
NEWEN, NGGTF, NMKBP, NMKCP, NMPWP
Exchange
NYSE
IPO date
Aug 10, 2005
Shares outstanding
5.20B, Mar 31, 2026
Filer category
Large accelerated filer
SEC CIK
1004315
CUSIP
636274409
ISIN
US6362744095
LEI
8R95QZMKZLJX5Q2XR704
EIN
98-0367158

Executives and directors

Officers and directors who filed ownership reports (Forms 3, 4, 5) in the last two years

No recent ownership filings by officers or directors

National Grid's leadership is listed in its proxy statement (Form DEF 14A).

Employees

Headcount reported in annual reports

“Our 33,017 colleagues across the UK and US are central to delivering the grid of the future.”

Corporate history

Events identified from SEC filings

DateEventDetails
Jun 12, 2026ListingRegistration of securities on an exchange (Form 8-A)
Jan 17, 2024ListingRegistration of securities on an exchange (Form 8-A)
Jan 3, 2024DeregistrationTermination of SEC registration (Form 15)
Dec 21, 2023DelistingNotice of delisting from exchange (Form 25)
Jun 15, 2023ListingRegistration of securities on an exchange (Form 8-A)
Mar 25, 2015DelistingNotice of delisting from exchange (Form 25)
Jul 21, 2006ListingRegistration of securities on an exchange (Form 8-A)
Jul 28, 2005Name changeName changed from NATIONAL GRID TRANSCO PLC to NATIONAL GRID PLC
Nov 1, 2002Name changeName changed from NATIONAL GRID GROUP PLC to NATIONAL GRID TRANSCO PLC
Mar 22, 2002Tender offerThird-party tender offer for the company's shares
Oct 4, 2000MergerRegistration of securities for a merger or exchange offer (S-4)