National Grid plc (NGG)
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. The UK Electricity Distribution segment offers electricity distribution services in east and west Midlands, Southwest of England, and South Wales. The New England segment provides electricity and gas supply and distribution, and high-voltage electricity transmission services in New England. The New York segment offers electricity and gas distribution, and electricity transmission services in New York. The National Grid Ventures segment provides transmission services through electricity interconnectors and LNG importation at the Isle of Grain. The Other segment engages in the leasing and sale of commercial property, as well as insurance activities in the United Kingdom. The company was founded in 1990 and is headquartered in London, the United Kingdom.
- Symbol
- NGG
- Exchange
- NYSE
- Sector
- Utilities
- Industry
- Utilities - Regulated Electric
- 52 week range
- 70.35 - 94.64
Valuation
- Share price
- $75.25 (close of 2026-09-23)
- P/E (TTM)
- 18.75x
- Price to book
- 1.57x
- Price to free cash flow
- -30.07x
Price performance
| Period | Change |
|---|---|
| 1 day | -1.86% |
| 5 days | +0.43% |
| 1 month | -5.65% |
| 3 months | -7.75% |
| 6 months | -8.30% |
| Year to date | -2.71% |
| 1 year | +5.45% |
| 3 years | +18.77% |
| 5 years | +17.67% |
| 10 years | -2.27% |
| All time | +46.29% |
Profitability and growth
- Return on equity
- 7.67%
- Return on invested capital
- 4.89%
- Return on assets
- 2.72%
- Return on capital employed
- 5.13%
- Gross margin
- 27.08%
- Net margin
- 15.79%
- EBITDA margin
- 26.85%
- Revenue growth
- -7.42%
- Net income growth
- 26.72%
- Free cash flow growth
- -5734.29%
Cash flow and balance sheet
- Free cash flow yield (TTM)
- -3.33%
- Current ratio
- 1.35x
- Net debt to EBITDA
- 5.84x
Latest reported year
- Period end
- 2025-03-31
- Fiscal year
- 2025
- Shares outstanding
- 941.40M
Margins and returns by year
| Period end | Gross margin | Net margin | Return on equity | Return on capital |
|---|---|---|---|---|
| 2025-03-31 | 27.08% | 15.79% | 7.67% | 4.89% |
| 2024-03-31 | 22.71% | 11.54% | 7.66% | 4.77% |
| 2023-03-31 | 22.63% | 36.00% | 26.38% | 5.53% |
| 2022-03-31 | 23.75% | 12.75% | 9.86% | 5.41% |
| 2021-03-31 | 17.66% | 12.00% | 8.26% | 4.26% |
| 2020-03-31 | 17.13% | 9.46% | 6.39% | 4.05% |
| 2019-03-31 | 19.35% | 10.12% | 7.72% | 5.77% |
| 2018-03-31 | 22.99% | 23.28% | 18.65% | 8.54% |
| 2017-03-31 | 21.43% | 51.85% | 38.24% | 6.69% |
| 2016-03-31 | 24.55% | 19.61% | 19.10% | 20.82% |
Investor relations
Past earnings dates
| Reported | Fiscal period | EPS estimate |
|---|---|---|
| 2023-05-18 | - | - |
| 2022-05-19 | - | - |
| 2007-12-31 | - | - |
| 2007-06-30 | - | - |
| 2006-12-31 | - | - |
| 2006-06-30 | - | - |
| 2006-03-31 | - | - |
| 2005-12-31 | - | - |
Filings and sources
- Company website
- nationalgrid.com
- SEC filings
- 10-K, 10-Q and 8-K on EDGAR
- Earnings calendar
- All upcoming reports
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Understanding these figures
Price-to-earnings ratio · Discounted cash flow · Free cash flow · Earnings per share · Return on equity · Gross margin vs net margin · Reading a balance sheet · Debt and leverage · Dividend yield · Insider transactions and Form 4 · How to read a stock chart
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