National Grid plc (NGG)
NYSE: NGG · Real-Time Price · USD
80.66
-1.49 (-1.81%)
At close: Aug 19, 2026, 4:00 PM EDT
79.35
-1.31 (-1.62%)
After-hours: Aug 19, 2026, 7:50 PM EDT
National Grid Market Cap
National Grid has a market cap or net worth of $79.83 billion as of August 19, 2026. Its market cap has increased by 14.44% in one year.
Market Cap
79.83B
Enterprise Value
140.94B
1-Year Change
14.44%
Ranking
Category
Stock Price
$80.66
ChartMarket Cap Chart
Since October 7, 1999, National Grid's market cap has increased from $9.95B to $79.83B, an increase of 702.52%. That is a compound annual growth rate of 8.05%.
| Date | Market Cap | % Change |
|---|---|---|
| Aug 19, 2026 | 79.83B | 4.73% |
| Dec 31, 2025 | 76.23B | 31.17% |
| Dec 31, 2024 | 58.11B | 16.92% |
| Dec 29, 2023 | 49.70B | 12.99% |
| Dec 30, 2022 | 43.99B | -15.26% |
| Dec 31, 2021 | 51.91B | 24.85% |
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| Dec 31, 2019 | Upgrade Pro | Upgrade Pro |
| Dec 31, 2018 | Upgrade Pro | Upgrade Pro |
| Dec 29, 2017 | Upgrade Pro | Upgrade Pro |
| Dec 30, 2016 | Upgrade Pro | Upgrade Pro |
Market Capitalization
Market capitalization, also called net worth, is the total value of all of a company's outstanding shares. It is calculated by multiplying the stock price by the number of shares outstanding.
Formula: Market Cap = Stock Price * Shares Outstanding
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