If you invested 1000 GBp in National Grid plc (NG.L) 10 years ago, it would be worth 1,961.82 GBp as of September 12, 2026, based on a reinvested dividends scenario. Over the same period, a 1000 GBp investment made 5 years ago would be worth 1,573.44 GBp, while 1000 GBp invested 1 year ago would be worth 1,093.68 GBp. This corresponds to total returns of 96.18%, 57.34%, 9.37%, respectively, with annualized returns of 6.97%, 9.49%, 9.37%.
Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.
Date Range:
| Date | Open | Close | Adj Close | High | Low | Volume |
|---|---|---|---|---|---|---|
| September 11, 2026 | 1,137 | 1,130.5 | 1,130.5 | 1,140.5 | 1,124.5 | 5.23M |
| September 10, 2026 | 1,139 | 1,128.5 | 1,128.5 | 1,147 | 1,127.5 | 6.27M |
| September 09, 2026 | 1,150 | 1,136.5 | 1,136.5 | 1,169.5 | 1,136.5 | 10.28M |
| September 08, 2026 | 1,148.5 | 1,147 | 1,147 | 1,150 | 1,135.5 | 14.31M |
| September 07, 2026 | 1,152 | 1,149 | 1,149 | 1,160.5 | 1,149 | 4.74M |
| September 04, 2026 | 1,148 | 1,151 | 1,151 | 1,158 | 1,137.04 | 12.67M |
| September 03, 2026 | 1,149.5 | 1,146 | 1,146 | 1,154 | 1,130.5 | 12.7M |
| September 02, 2026 | 1,170.5 | 1,147.5 | 1,147.5 | 1,179 | 1,141 | 13.59M |
| September 01, 2026 | 1,170.5 | 1,164 | 1,164 | 1,177.5 | 1,153 | 9.02M |
| August 28, 2026 | 1,161.5 | 1,170 | 1,170 | 1,175.5 | 1,161.5 | 10.58M |
| August 27, 2026 | 1,183 | 1,160 | 1,160 | 1,185 | 1,154.69 | 8.66M |
| August 26, 2026 | 1,188.5 | 1,182.5 | 1,182.5 | 1,190 | 1,177 | 7.3M |
| August 25, 2026 | 1,174 | 1,185.5 | 1,185.5 | 1,185.5 | 1,169 | 5.55M |
| August 24, 2026 | 1,169 | 1,169.5 | 1,169.5 | 1,174.5 | 1,163.5 | 9.77M |
| August 21, 2026 | 1,182.5 | 1,171 | 1,171 | 1,191.5 | 1,171 | 9.27M |
| August 20, 2026 | 1,186.5 | 1,186.5 | 1,186.5 | 1,194.5 | 1,175.5 | 8.19M |
| August 19, 2026 | 1,209 | 1,179 | 1,179 | 1,215.5 | 1,178.83 | 7.19M |
| August 18, 2026 | 1,197 | 1,211 | 1,211 | 1,215 | 1,187.5 | 7.76M |
| August 17, 2026 | 1,195.5 | 1,189.5 | 1,189.5 | 1,201 | 1,182 | 4.08M |
| August 14, 2026 | 1,205 | 1,193.5 | 1,193.5 | 1,206 | 1,186.5 | 8.69M |
| August 13, 2026 | 1,200 | 1,200.5 | 1,200.5 | 1,201.5 | 1,189.5 | 7.84M |
| August 12, 2026 | 1,188 | 1,196.5 | 1,196.5 | 1,204.91 | 1,187 | 11.95M |
| August 11, 2026 | 1,177.5 | 1,185.5 | 1,185.5 | 1,188 | 1,174.5 | 4.22M |
| August 10, 2026 | 1,200 | 1,175.5 | 1,175.5 | 1,202 | 1,170 | 6.75M |
| August 07, 2026 | 1,193.5 | 1,200 | 1,200 | 1,206 | 1,183.4 | 6.3M |
| August 06, 2026 | 1,200 | 1,196 | 1,196 | 1,203.5 | 1,188.07 | 4.39M |
| August 05, 2026 | 1,196.5 | 1,187.5 | 1,187.5 | 1,209 | 1,186 | 6.4M |
| August 04, 2026 | 1,190.5 | 1,188 | 1,188 | 1,202.5 | 1,174.5 | 5.94M |
| August 03, 2026 | 1,184.5 | 1,189 | 1,189 | 1,189.5 | 1,177.5 | 6.34M |
| July 31, 2026 | 1,192 | 1,190 | 1,190 | 1,204.5 | 1,184 | 8.57M |
| July 30, 2026 | 1,187.5 | 1,184.5 | 1,184.5 | 1,206.5 | 1,181 | 5.98M |
| July 29, 2026 | 1,214.5 | 1,193 | 1,193 | 1,218 | 1,189 | 9.99M |
| July 28, 2026 | 1,218.5 | 1,218 | 1,218 | 1,229.5 | 1,208 | 5.58M |
| July 27, 2026 | 1,244.5 | 1,222.5 | 1,222.5 | 1,245.5 | 1,222.5 | 7.99M |
| July 23, 2026 | 1,244 | 1,234 | 1,234 | 1,249 | 1,219 | 7.65M |
| July 22, 2026 | 1,221.5 | 1,249.5 | 1,249.5 | 1,251.5 | 1,216 | 6.73M |
| July 21, 2026 | 1,228.5 | 1,224 | 1,224 | 1,237 | 1,217.5 | 5.24M |
| July 20, 2026 | 1,250 | 1,236 | 1,236 | 1,256 | 1,231.5 | 6.58M |
| July 17, 2026 | 1,225 | 1,257 | 1,257 | 1,262.5 | 1,222 | 8.41M |
| July 16, 2026 | 1,224.5 | 1,216.5 | 1,216.5 | 1,227.5 | 1,204.5 | 4.04M |
| July 15, 2026 | 1,246 | 1,235 | 1,235 | 1,251 | 1,227.5 | 8.42M |
| July 14, 2026 | 1,240.5 | 1,249 | 1,249 | 1,251 | 1,235.36 | 7.42M |
| July 13, 2026 | 1,226 | 1,240.5 | 1,240.5 | 1,244 | 1,225.6 | 7.69M |
| July 10, 2026 | 1,229.5 | 1,226 | 1,226 | 1,239 | 1,226 | 8.1M |
| July 09, 2026 | 1,248.5 | 1,230 | 1,230 | 1,253 | 1,226.5 | 5.09M |
| July 08, 2026 | 1,243.5 | 1,247.5 | 1,247.5 | 1,250 | 1,236 | 6.54M |
| July 07, 2026 | 1,230.5 | 1,247.5 | 1,247.5 | 1,252 | 1,220.5 | 16.27M |
| July 06, 2026 | 1,244 | 1,231 | 1,231 | 1,252.5 | 1,222.5 | 9.82M |
| July 03, 2026 | 1,242 | 1,244 | 1,244 | 1,251 | 1,236.5 | 6M |
| July 02, 2026 | 1,207.5 | 1,230 | 1,230 | 1,235.5 | 1,200.45 | 17.19M |
| July 01, 2026 | 1,248.5 | 1,211 | 1,211 | 1,249.05 | 1,210 | 11.25M |
| June 30, 2026 | 1,257 | 1,248 | 1,248 | 1,262.5 | 1,247.5 | 9.29M |
| June 29, 2026 | 1,248 | 1,254.5 | 1,254.5 | 1,257 | 1,239.5 | 7.34M |
| June 26, 2026 | 1,257 | 1,245.5 | 1,245.5 | 1,262 | 1,245.5 | 12.59M |
| June 25, 2026 | 1,243.5 | 1,253 | 1,253 | 1,266.5 | 1,240 | 16.97M |
| June 24, 2026 | 1,218.5 | 1,241 | 1,241 | 1,241 | 1,216.5 | 15.99M |
| June 23, 2026 | 1,218 | 1,225.5 | 1,225.5 | 1,230 | 1,199.5 | 15.12M |
| June 22, 2026 | 1,210.5 | 1,221 | 1,221 | 1,221 | 1,193.5 | 9.3M |
| June 19, 2026 | 1,196.5 | 1,212 | 1,212 | 1,365.5 | 1,174.5 | 40.45M |
| June 18, 2026 | 1,210 | 1,190.5 | 1,190.5 | 1,215 | 1,190.5 | 28.68M |