National Grid PLC (NG) — Defensive Interval Ratio
National Grid PLC (NG) has a Defensive Interval Ratio of 236 days as of March 2026. Defensive assets of GBX6.34 Billion (cash GBX-, short-term investments GBX2.45 Billion, receivables GBX3.88 Billion) cover 236 days of daily cash needs of GBX26.84 Million/day.
Defensive Interval Ratio
Defensive Assets
Daily Cash Need
Current Liabilities
National Grid PLC Defensive Interval Ratio (1993–2026)
This chart shows how National Grid PLC's Defensive Interval Ratio has evolved across 34 annual periods from 1993 to 2026. As of March 2026, the ratio stands at 236 days, meaning defensive assets of GBX6.34 Billion can fund 236 days of operations without new revenue. For the complete balance sheet picture, see how large is National Grid PLC's balance sheet.
Annual Defensive Interval Ratio for National Grid PLC (1993–2026)
The table below presents the year-by-year Defensive Interval Ratio for National Grid PLC from 1993 to 2026, covering 34 annual filings. Each row shows defensive assets, daily cash need, the DIR in days, and the change in days compared to the prior year. See NG current assets to equity ratio to evaluate short-term liquidity relative to the company's equity base.
| Year | DIR (days) | Defensive Assets (GBX) | Daily Cash Need | Cash | ST Investments | Change (days) |
|---|---|---|---|---|---|---|
| 2026 | 236 days | GBX6.34 Billion | GBX26.84 Million/day | GBX- | GBX2.45 Billion | ▼ -91 days |
| 2025 | 327 days | GBX9.51 Billion | GBX29.10 Million/day | GBX- | GBX5.75 Billion | ▲ +111 days |
| 2024 | 216 days | GBX6.74 Billion | GBX31.20 Million/day | GBX- | GBX3.70 Billion | ▼ -27 days |
| 2023 | 243 days | GBX6.09 Billion | GBX25.01 Million/day | GBX- | GBX2.60 Billion | ▲ +147 days |
| 2022 | 96 days | GBX6.54 Billion | GBX67.86 Million/day | GBX0.00 | GBX3.15 Billion | ▼ -98 days |
| 2021 | 194 days | GBX4.98 Billion | GBX25.67 Million/day | GBX40.00 Million | GBX2.34 Billion | ▼ -1 days |
| 2020 | 195 days | GBX4.58 Billion | GBX23.46 Million/day | GBX0.00 | GBX2.00 Billion | ▼ -54 days |
| 2019 | 249 days | GBX6.23 Billion | GBX25.01 Million/day | GBX75.00 Million | GBX1.98 Billion | ▲ +0 days |
| 2018 | 249 days | GBX5.93 Billion | GBX23.83 Million/day | GBX275.00 Million | GBX2.69 Billion | ▼ -233 days |
| 2017 | 481 days | GBX13.86 Billion | GBX28.80 Million/day | GBX940.00 Million | GBX8.74 Billion | ▲ +183 days |
| 2016 | 298 days | GBX6.30 Billion | GBX21.15 Million/day | GBX- | GBX3.00 Billion | ▼ -20 days |
| 2015 | 318 days | GBX6.43 Billion | GBX20.20 Million/day | GBX- | GBX2.56 Billion | ▼ -46 days |
| 2014 | 365 days | GBX7.33 Billion | GBX20.08 Million/day | GBX- | GBX3.60 Billion | ▼ -23 days |
| 2013 | 388 days | GBX7.91 Billion | GBX20.40 Million/day | GBX- | GBX5.43 Billion | ▲ +123 days |
| 2012 | 265 days | GBX4.36 Billion | GBX16.45 Million/day | GBX- | GBX2.39 Billion | ▲ +18 days |
| 2011 | 247 days | GBX4.62 Billion | GBX18.70 Million/day | GBX- | GBX3.41 Billion | ▲ +80 days |
| 2010 | 167 days | GBX3.00 Billion | GBX17.97 Million/day | GBX- | GBX1.65 Billion | ▼ -33 days |
| 2009 | 200 days | GBX3.85 Billion | GBX19.25 Million/day | GBX- | GBX2.20 Billion | ▲ +26 days |
| 2008 | 174 days | GBX3.41 Billion | GBX19.58 Million/day | GBX- | GBX2.10 Billion | ▼ -267 days |
| 2007 | 442 days | GBX4.07 Billion | GBX9.21 Million/day | GBX- | GBX2.10 Billion | ▲ +354 days |
| 2006 | 87 days | GBX1.36 Billion | GBX15.57 Million/day | GBX- | GBX384.00 Million | ▲ +1 days |
| 2005 | 87 days | GBX1.42 Billion | GBX16.37 Million/day | GBX- | GBX398.00 Million | ▼ -303 days |
| 2004 | 390 days | GBX4.82 Billion | GBX12.36 Million/day | GBX- | GBX520.00 Million | ▼ -22 days |
| 2003 | 411 days | GBX5.69 Billion | GBX13.82 Million/day | GBX- | GBX482.00 Million | ▼ -277 days |
| 2002 | 688 days | GBX5.60 Billion | GBX8.14 Million/day | GBX- | GBX15.40 Million | ▲ +373 days |
| 2001 | 316 days | GBX1.91 Billion | GBX6.06 Million/day | GBX- | GBX16.60 Million | ▲ +80 days |
| 2000 | 236 days | GBX1.20 Billion | GBX5.10 Million/day | GBX- | GBX16.60 Million | ▲ +190 days |
| 1999 | 46 days | GBX177.60 Million | GBX3.88 Million/day | GBX- | GBX16.60 Million | ▼ -55 days |
| 1998 | 101 days | GBX302.50 Million | GBX3.01 Million/day | GBX- | GBX10.50 Million | ▲ +60 days |
| 1997 | 40 days | GBX107.20 Million | GBX2.67 Million/day | GBX- | GBX100.00K | ▼ -85 days |
| 1996 | 125 days | GBX278.70 Million | GBX2.22 Million/day | GBX- | GBX100.00K | ▲ +37 days |
| 1995 | 89 days | GBX167.20 Million | GBX1.88 Million/day | GBX- | GBX78.20 Million | ▼ -10 days |
| 1994 | 99 days | GBX218.60 Million | GBX2.22 Million/day | GBX- | GBX121.30 Million | ▲ +68 days |
| 1993 | 31 days | GBX76.10 Million | GBX2.46 Million/day | GBX- | GBX- | — |