National Grid NGG
NYSE NGG
$78.22 +1.10 (+1.43%)
As of: Oct 13, 2026 · 3:59 PM EDT

National Grid (NGG) Market Capitalization (2011 - 2026)

Updated

National Grid's Market Capitalization came in at $87.97 billion for FY2026 (year ended Mar 31, 2026).

Analysis

National Grid (NGG) Market Capitalization (2011 - 2026) Analysis & Trends

Going back to FY2011, National Grid's Market Capitalization data covers 16 fiscal years.

  • Market Capitalization carries a five-year compound annual growth rate of 11.5% (FY2021 to FY2026).
  • The FY2026 figure represents the highest annual Market Capitalization in data going back to FY2011.
  • Per Business Quant, earlier fiscal years put Market Capitalization at $72.82 billion in FY2025 (+53.5%), $47.43 billion in FY2024 (-4.7%), $49.76 billion in FY2023 (+14.6%) and $43.42 billion in FY2022 (-14.8%).
Peer Set

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr)
1 Nextera Energy 162.78 Bn 152.72 Bn -
2 Southern 100.19 Bn 91.25 Bn 5.92 Bn
3 Duke Energy 91.91 Bn 88.50 Bn 6.74 Bn
4 National Grid 77.40 Bn 49.69 Bn -
5 American Electric Power 68.36 Bn 65.53 Bn 3.84 Bn
6 Dominion Energy 54.82 Bn 52.81 Bn -
7 Sempra 53.87 Bn 52.99 Bn 2.89 Bn
8 Entergy 48.18 Bn 37.31 Bn -
9 Xcel Energy 46.63 Bn 41.53 Bn -
10 Exelon 43.40 Bn 38.71 Bn -
Historic Data

Historic Data

Download Data
DateValue
Mar 31, 2026 87.97 Bn
Nov 28, 2025 78.13 Bn
Sep 30, 2025 74.60 Bn
May 15, 2025 71.89 Bn
Mar 31, 2025 67.35 Bn
Dec 31, 2024 47.43 Bn
Sep 30, 2024 55.28 Bn
May 23, 2024 48.97 Bn
Mar 31, 2024 54.13 Bn
Dec 31, 2023 49.76 Bn
Sep 30, 2023 47.66 Bn
May 18, 2023 54.41 Bn
Mar 31, 2023 53.45 Bn
Dec 31, 2022 43.42 Bn
Sep 30, 2022 40.24 Bn
Mar 31, 2022 60.02 Bn
Jun 14, 2021 50.13 Bn
Mar 31, 2021 45.20 Bn
Mar 31, 2020 44.05 Bn
Mar 31, 2019 41.18 Bn
API Access

National Grid Market Capitalization API

Pull this series into your own models, spreadsheets and apps with the Business Quant Historical Metrics API. The request below matches the chart above — change the frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.

https://data.businessquant.com/historic?slug=market-capitalization&ticker=NGG&period=max&api_key=YOUR_API_KEY