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National Grid plc (NGG) is an utilities company in the US local power providers industry, based in London, United Kingdom, with about 33,026 full-time employees.
Its largest business segment, Distribution, brought in 75% of segment revenue in fiscal year 2026; UNITED STATES was the largest region with 69%. Its market capitalization was $76.89 billion as of October 9, 2026.
Figures from company filings and market data; latest fiscal year ended March 31, 2026; market data as of October 9, 2026.
National Grid plc engages in the transmission and distribution of electricity and gas. It operates through UK Electricity Transmission, UK Electricity Distribution, New England, New York, National Grid Ventures, and Other segments. The UK Electricity Transmission segment provides electricity transmission networks in England and Wales.
Distribution, with 13.12 billion GBP or 75% of segment revenue in fiscal year 2026. Next: Transmission (21%) and Generation (2%).
UNITED STATES: 69% of revenue by region in fiscal year 2026, followed by Country of domicile [member] (31%).
$76.89 billion as of October 9, 2026.
Listed companies of a similar size in the same industry (US local power providers) include NextEra Energy, Inc. (NEE), The Southern Company (SO), Duke Energy Corporation (DUK), Dominion Energy, Inc. (D).