National Grid PLC ADR (NGG) — Defensive Interval Ratio
National Grid PLC ADR (NGG) has a Defensive Interval Ratio of 239 days as of September 2025. Defensive assets of $6.00 Billion (cash $-, short-term investments $3.17 Billion, receivables $2.83 Billion) cover 239 days of daily cash needs of $25.16 Million/day. See how liquid is National Grid PLC ADR's working capital to evaluate short-term liquidity relative to the company's equity base.
Defensive Interval Ratio
Defensive Assets
Daily Cash Need
Current Liabilities
National Grid PLC ADR Defensive Interval Ratio (1993–2025)
This chart shows how National Grid PLC ADR's Defensive Interval Ratio has evolved across 33 annual periods from 1993 to 2025. As of September 2025, the ratio stands at 239 days, meaning defensive assets of $6.00 Billion can fund 239 days of operations without new revenue. See National Grid PLC ADR (NGG) net asset quality to measure how much of total assets are equity-financed.
Annual Defensive Interval Ratio for National Grid PLC ADR (1993–2025)
The table below presents the year-by-year Defensive Interval Ratio for National Grid PLC ADR from 1993 to 2025, covering 33 annual filings. Each row shows defensive assets, daily cash need, the DIR in days, and the change in days compared to the prior year. For live market cap and the full company financial profile, see NGG market cap overview.
| Year | DIR (days) | Defensive Assets (USD) | Daily Cash Need | Cash | ST Investments | Change (days) |
|---|---|---|---|---|---|---|
| 2025 | 327 days | $9.51 Billion | $29.10 Million/day | $- | $5.75 Billion | ▲ +111 days |
| 2024 | 216 days | $6.73 Billion | $31.20 Million/day | $- | $3.70 Billion | ▼ -26 days |
| 2023 | 242 days | $6.05 Billion | $25.01 Million/day | $- | $2.60 Billion | ▲ +147 days |
| 2022 | 95 days | $6.43 Billion | $67.86 Million/day | $0.00 | $3.15 Billion | ▼ -97 days |
| 2021 | 191 days | $4.91 Billion | $25.67 Million/day | $40.00 Million | $2.34 Billion | ▼ -4 days |
| 2020 | 195 days | $4.58 Billion | $23.46 Million/day | $0.00 | $2.00 Billion | ▼ -13 days |
| 2019 | 208 days | $5.21 Billion | $25.01 Million/day | $75.00 Million | $1.98 Billion | ▲ +13 days |
| 2018 | 195 days | $4.64 Billion | $23.83 Million/day | $275.00 Million | $2.69 Billion | ▼ -249 days |
| 2017 | 444 days | $12.78 Billion | $28.80 Million/day | $940.00 Million | $8.74 Billion | ▲ +242 days |
| 2016 | 202 days | $4.27 Billion | $21.15 Million/day | $- | $3.00 Billion | ▼ -2 days |
| 2015 | 204 days | $4.13 Billion | $20.20 Million/day | $- | $2.56 Billion | ▼ -117 days |
| 2014 | 321 days | $6.45 Billion | $20.08 Million/day | $- | $3.60 Billion | ▼ -136 days |
| 2013 | 457 days | $9.33 Billion | $20.40 Million/day | $- | $5.43 Billion | ▲ +192 days |
| 2012 | 265 days | $4.36 Billion | $16.45 Million/day | $- | $2.39 Billion | ▼ -35 days |
| 2011 | 300 days | $5.62 Billion | $18.70 Million/day | $- | $3.41 Billion | ▲ +81 days |
| 2010 | 219 days | $3.94 Billion | $17.97 Million/day | $- | $1.65 Billion | ▼ -42 days |
| 2009 | 261 days | $5.03 Billion | $19.25 Million/day | $- | $2.20 Billion | ▲ +37 days |
| 2008 | 225 days | $4.40 Billion | $19.58 Million/day | $- | $2.10 Billion | ▼ -217 days |
| 2007 | 442 days | $4.07 Billion | $9.21 Million/day | $- | $2.10 Billion | ▲ +319 days |
| 2006 | 122 days | $1.90 Billion | $15.57 Million/day | $- | $384.00 Million | ▼ -149 days |
| 2005 | 271 days | $4.44 Billion | $16.37 Million/day | $- | $398.00 Million | ▼ -118 days |
| 2004 | 390 days | $4.82 Billion | $12.36 Million/day | $- | $520.00 Million | ▼ -22 days |
| 2003 | 411 days | $5.69 Billion | $13.82 Million/day | $- | $482.00 Million | ▼ -277 days |
| 2002 | 688 days | $5.60 Billion | $8.14 Million/day | $- | $15.40 Million | ▲ +373 days |
| 2001 | 316 days | $1.91 Billion | $6.06 Million/day | $- | $16.60 Million | ▲ +80 days |
| 2000 | 236 days | $1.20 Billion | $5.10 Million/day | $- | $16.60 Million | ▲ +190 days |
| 1999 | 46 days | $177.60 Million | $3.88 Million/day | $- | $16.60 Million | ▼ -51 days |
| 1998 | 97 days | $292.00 Million | $3.01 Million/day | $- | $- | ▲ +57 days |
| 1997 | 40 days | $107.20 Million | $2.67 Million/day | $- | $100.00K | ▼ -85 days |
| 1996 | 125 days | $278.70 Million | $2.22 Million/day | $- | $100.00K | ▲ +37 days |
| 1995 | 89 days | $167.20 Million | $1.88 Million/day | $- | $78.20 Million | ▼ -10 days |
| 1994 | 99 days | $218.60 Million | $2.22 Million/day | $- | $121.30 Million | ▲ +68 days |
| 1993 | 31 days | $76.10 Million | $2.46 Million/day | $- | $- | — |