National Grid Transco, PLC National Grid PLC (NEW) American Depositary Shares (NGG)

Market Cap

$82.30B

Current · Retrieved: Oct 25, 2026 · USD

NGG Market Cap

Current$82.30BretrievedOct 25, 2026

NGG Market Cap ($47.56B → $82.30B · CAGR +2.0%)

Latest values, visible window

High-resolution chart · PNG

NGG market cap history

Daily history. Dates identify market observations.

National Grid Transco, PLC National Grid PLC (NEW) American Depositary Shares Market Cap — Daily history
Date	Market Cap
Sep 30, 2005	51,495,666,040
Sep 23, 2005	53,757,775,540
Sep 16, 2005	54,642,511,700
Sep 9, 2005	54,893,857,200
Sep 2, 2005	54,552,027,320
Aug 26, 2005	51,968,195,580
Aug 19, 2005	51,083,459,420
Aug 12, 2005	51,173,943,800
Aug 5, 2005	51,817,388,280
Jul 29, 2005	58,674,093,520
Jul 22, 2005	57,467,635,120
Jul 15, 2005	56,985,051,760
Jul 8, 2005	57,799,411,180
Jul 1, 2005	60,403,350,560
Jun 24, 2005	60,453,619,660
Jun 17, 2005	60,614,480,780
Jun 10, 2005	60,926,149,200
Jun 3, 2005	62,172,822,880
May 27, 2005	62,273,361,080
May 20, 2005	60,222,381,800
May 13, 2005	60,252,543,260
May 6, 2005	60,865,826,280
Apr 29, 2005	61,770,670,080
Apr 22, 2005	60,071,574,500
Apr 15, 2005	59,578,937,320
Apr 8, 2005	59,126,515,420
Apr 1, 2005	58,111,079,600
Mar 24, 2005	58,533,340,040
Mar 18, 2005	59,448,237,660
Mar 11, 2005	59,498,506,760
Mar 4, 2005	61,288,086,720
Feb 25, 2005	61,207,656,160
Feb 18, 2005	64,213,748,340
Feb 11, 2005	62,926,859,380
Feb 4, 2005	62,765,998,260
Jan 28, 2005	61,177,494,700
Jan 21, 2005	59,759,906,080
Jan 14, 2005	59,216,999,800
Jan 7, 2005	58,674,093,520
Dec 31, 2004	59,971,036,300
Dec 23, 2004	59,377,860,920
Dec 17, 2004	58,774,631,720
Dec 10, 2004	56,985,051,760
Dec 3, 2004	58,432,801,840
Nov 26, 2004	57,527,958,040
Nov 19, 2004	55,728,324,260
Nov 12, 2004	54,572,134,960
Nov 5, 2004	56,422,037,840
Oct 29, 2004	55,125,095,060
Oct 22, 2004	53,586,860,600
Oct 15, 2004	53,566,752,960
Oct 8, 2004	53,415,945,660
Oct 1, 2004	53,999,067,220
Sep 24, 2004	52,752,393,540
Sep 17, 2004	52,702,124,440
Sep 10, 2004	52,299,971,640
Sep 3, 2004	52,822,770,280
Aug 27, 2004	52,490,994,220
Aug 20, 2004	51,606,258,060
Aug 13, 2004	51,847,549,740
Aug 6, 2004	52,018,464,680
Jul 30, 2004	50,289,207,640
Jul 23, 2004	50,027,808,320
Jul 16, 2004	51,173,943,800
Jul 9, 2004	50,480,230,220
Jul 2, 2004	49,424,579,120
Jun 25, 2004	49,565,332,600
Jun 18, 2004	50,289,207,640
Jun 10, 2004	49,736,247,540
Jun 4, 2004	49,685,978,440
May 28, 2004	50,238,938,540
May 21, 2004	47,765,698,820
May 14, 2004	47,182,577,260
May 7, 2004	47,162,469,620
Apr 30, 2004	47,976,829,040
Apr 23, 2004	48,529,789,140
Apr 16, 2004	49,354,202,380
Apr 8, 2004	49,655,816,980
Apr 2, 2004	49,756,355,180
Mar 26, 2004	48,469,466,220
Mar 19, 2004	50,188,669,440
Mar 12, 2004	48,017,044,320
Mar 5, 2004	50,068,023,600
Feb 27, 2004	50,741,629,540
Feb 20, 2004	49,665,870,800
Feb 13, 2004	48,750,973,180
Feb 6, 2004	47,061,931,420
Jan 30, 2004	45,573,966,060
Jan 23, 2004	45,614,181,340
Jan 16, 2004	45,674,504,260
Jan 9, 2004	46,498,917,500
Jan 2, 2004	46,026,387,960
Dec 26, 2003	44,930,521,580
Dec 19, 2003	44,357,453,840
Dec 12, 2003	42,889,596,120
Dec 5, 2003	42,175,774,900
Nov 28, 2003	42,718,681,180
Nov 21, 2003	42,608,089,160
Nov 14, 2003	40,858,724,480
Nov 7, 2003	40,868,778,300