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 7, 2007	80,953,358,640
Aug 31, 2007	82,421,216,360
Aug 24, 2007	81,325,349,980
Aug 17, 2007	77,816,566,800
Aug 10, 2007	80,058,568,660
Aug 3, 2007	79,575,985,300
Jul 27, 2007	77,866,835,900
Jul 20, 2007	80,832,712,800
Jul 13, 2007	79,163,778,680
Jul 6, 2007	80,118,891,580
Jun 29, 2007	80,913,143,360
Jun 22, 2007	79,254,263,060
Jun 15, 2007	80,340,075,620
Jun 8, 2007	78,369,526,900
Jun 1, 2007	85,829,461,340
May 25, 2007	84,522,464,740
May 18, 2007	83,386,383,080
May 11, 2007	83,808,643,520
May 4, 2007	85,919,945,720
Apr 27, 2007	85,819,407,520
Apr 20, 2007	86,583,497,840
Apr 13, 2007	87,598,933,660
Apr 5, 2007	88,141,839,940
Mar 30, 2007	86,432,690,540
Mar 23, 2007	84,271,119,240
Mar 16, 2007	81,174,542,680
Mar 9, 2007	81,817,987,160
Mar 2, 2007	80,410,452,360
Feb 23, 2007	84,462,141,820
Feb 16, 2007	84,834,133,160
Feb 9, 2007	84,723,541,140
Feb 2, 2007	83,748,320,600
Jan 26, 2007	80,903,089,540
Jan 19, 2007	79,937,922,820
Jan 12, 2007	79,173,832,500
Jan 5, 2007	76,278,332,340
Dec 29, 2006	79,646,362,040
Dec 22, 2006	79,777,061,700
Dec 15, 2006	79,767,007,880
Dec 8, 2006	77,243,499,060
Dec 1, 2006	76,288,386,160
Nov 24, 2006	76,288,386,160
Nov 17, 2006	75,192,519,780
Nov 10, 2006	72,055,727,940
Nov 3, 2006	69,441,734,740
Oct 27, 2006	70,175,663,600
Oct 20, 2006	70,145,502,140
Oct 13, 2006	69,934,371,920
Oct 6, 2006	70,316,417,080
Sep 29, 2006	68,758,074,980
Sep 22, 2006	67,702,423,880
Sep 15, 2006	66,777,472,440
Sep 8, 2006	65,490,583,480
Sep 1, 2006	67,179,625,240
Aug 25, 2006	65,822,359,540
Aug 18, 2006	65,379,991,460
Aug 11, 2006	65,098,484,500
Aug 4, 2006	63,429,550,380
Jul 28, 2006	62,534,760,400
Jul 21, 2006	60,503,888,760
Jul 14, 2006	59,136,569,240
Jul 7, 2006	60,322,920,000
Jun 30, 2006	59,287,376,540
Jun 23, 2006	59,900,659,560
Jun 16, 2006	60,966,364,480
Jun 9, 2006	59,639,260,240
Jun 2, 2006	62,625,244,780
May 26, 2006	61,418,786,380
May 19, 2006	58,643,932,060
May 12, 2006	56,954,890,300
May 5, 2006	57,859,734,100
Apr 28, 2006	57,588,280,960
Apr 21, 2006	56,341,607,280
Apr 13, 2006	53,617,022,060
Apr 7, 2006	54,391,166,200
Mar 31, 2006	54,431,381,480
Mar 24, 2006	55,879,131,560
Mar 17, 2006	57,618,442,420
Mar 10, 2006	56,512,522,220
Mar 3, 2006	57,105,697,600
Feb 24, 2006	58,623,824,420
Feb 17, 2006	55,376,440,560
Feb 10, 2006	56,090,261,780
Feb 3, 2006	56,824,190,640
Jan 27, 2006	54,622,404,060
Jan 20, 2006	54,803,372,820
Jan 13, 2006	53,516,483,860
Jan 6, 2006	54,692,780,800
Dec 30, 2005	53,395,838,020
Dec 23, 2005	53,496,376,220
Dec 16, 2005	54,019,174,860
Dec 9, 2005	52,460,832,760
Dec 2, 2005	51,777,173,000
Nov 25, 2005	52,259,756,360
Nov 18, 2005	51,636,419,520
Nov 11, 2005	50,490,284,040
Nov 4, 2005	50,178,615,620
Oct 28, 2005	50,409,853,480
Oct 21, 2005	49,163,179,800
Oct 14, 2005	49,836,785,740