WhichIndex

Which indexes is National Grid plc in?

National Grid plc is in 1 of the 57 indexes we track. Its largest weight is 2.40% in the FTSE 100, where it ranks #10 of 100.

Ticker
NG (London Stock Exchange)
Country
United Kingdom
Sector
Utilities
Size
Large cap (market cap $10–200 billion; exact figure in the ranking)
Data as of
23 Oct 2026

Member of 1 index

National Grid plc's index memberships
IndexWeight %RankIndex size
FTSE 1002.4010100

Source: each index's own source, listed on its page. How we source this. Weights are estimates where marked. This page is refreshed when a membership changes or a weight moves by more than 10%; each index page has the daily figures.

National Grid plc across every index we track

Lit tiles are the indexes National Grid plc belongs to; the shade is its weight there.

Fewermore

Neighbours by weight

The members ranked just above and just below National Grid plc in each index
IndexRanked aboveRanked below
FTSE 100Rio Tinto (2.53%)Lloyds Banking Group (2.30%)