American Origin Unverified This profile is unclaimed and has not been independently reviewed. Claim & get verified

NATIONAL GRID PLC (NGG)

$83.26 -0.43% NYSE: NGG · 15-min delayed

Public · NYSE: NGG
31,645 employees
Founded 1990

Visit website Follow

$82.7BMarket cap

31,645Employees

NGGNYSE

1999IPO

About NATIONAL GRID PLC

National Grid owns and operates the electric transmission system in England and Wales. It sold the bulk of its UK gas transmission business in fiscal 2023 to fund the acquisition of PPL's UK power distribution assets. In the Northeastern United States, it serves electricity and gas customers combined in three states. It also owns regulated transmission electricity networks in the United States, metering services and merchant transmission lines in the UK.

This profile is unclaimed. An authorized representative can claim it free to control the page and activate the embeddable Verified badge.

Company facts

Founded: 1990
Type: Public · NYSE: NGG
Employees: 31,645
IPO date: Jun 8, 1999
Industry: Utilities
Website: Visit site

Incorporation record

Incorporated in: GB — outside the United States
Registered office: London, GB
Legal entity ID: 8R95QZMKZLJX5Q2XR704

Source: GLEIF, the global Legal Entity Identifier registry · checked Aug 8, 2026. A US headquarters does not always mean US incorporation.

Is National Grid PLC an American company? No. National Grid PLC is incorporated in the United Kingdom. It maintains US operations and its shares trade on NYSE — which is why it is often mistaken for a US company.

Registry IDs

Ticker: NGG NYSE
SEC CIK: 1004315
LEI: 8R95QZMKZLJX5Q2XR704
EIN: 980367158
SIC: 4922 Natural Gas Transmission

Explore our data studies: the biggest company in every US state · all rankings & reports.

Embed this company’s badge

Show National Grid PLC’s American-company profile badge on a website — copy this HTML:

<a href="https://americancompanies.com/company/national-grid-plc/"><img src="https://americancompanies.com/badge/national-grid-plc.svg" alt="National Grid PLC — American company profile on americancompanies.com" width="220"></a>

Is this your company?

This profile is unclaimed — any authorized owner can claim it free, control the page, and activate the embeddable Verified badge for their own website.

Claim this profile — free

Track American companies

Create a free account to follow NATIONAL GRID PLC and get an email when it moves sharply — real market data, 15-minute delayed.

Create free account

Reported figures

Financial summary

Market cap: $82.7B

NYSE: NGG

$83.26 -0.43%

15-minute delayed · data by Polygon.io

Past year · hover for prices

$72.26 $93.93

52-week range

Market cap: $82.7B
Dividend yield: 2.75%
Shares outstanding: 993.8M
Open: —
Day range: –
Prev close: —
Volume: —
IPO date: Jun 8, 1999

National Grid PLC (NGG) Stock Price

Trading 11% below its 52-week high.
Pays a dividend yielding about 2.75% annually.

Automatically generated from public filings and market data. Informational only — not investment advice or a recommendation to buy or sell any security.

No reviews yet. Be the first to review NATIONAL GRID PLC.

Write a review

Newsroom

News about NATIONAL GRID PLC

NGG or ORA: Which Is the Better Value Stock Right Now? Zacks Investment Research · 2026-09-30 · positive NGG vs. ORA: Which Stock Is the Better Value Option? Zacks Investment Research · 2026-09-29 · positive Electric, Natural Gas and Combination Utilities See Customer Experience Gains Stall as Billing Friction Reemerges GlobeNewswire Inc. · 2026-04-16 · positive Arcadis nominates Carl Trowell to its supervisory board GlobeNewswire Inc. · 2026-03-27 · neutral Interim Management Statement Q1 2026 GlobeNewswire Inc. · 2026-02-06 · positive NGG Investor News: If You Have Suffered Losses in National Grid plc (NYSE: NGG), You Are Encouraged to Contact The Rosen Law Firm About Your Rights GlobeNewswire Inc. · 2026-01-14 · negative

News & sentiment via Polygon.io

FAQ

National Grid PLC: frequently asked questions

Is National Grid PLC an American company?

No — National Grid PLC is not an American company. National Grid PLC is incorporated in the United Kingdom. It maintains US operations and its shares trade on NYSE — which is why it is often mistaken for a US company.

Where is National Grid PLC incorporated?

National Grid PLC is legally incorporated in the United Kingdom, according to its GLEIF legal-entity record.

Is National Grid PLC traded on a US stock exchange?

Yes — National Grid PLC trades under the ticker NGG on the NYSE. A US stock listing does not by itself make a company American — incorporation and ownership are what this page reports.

Is National Grid PLC publicly traded?

Yes — National Grid PLC is a publicly traded company. Its stock trades under the ticker symbol NGG on the NYSE.

What does National Grid PLC do?

National Grid PLC is an American Utilities company in the Energy & Utilities sector.

When was National Grid PLC founded?

National Grid PLC was founded in 1990.

Explore