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
Oct 31, 2003	40,506,840,780
Oct 24, 2003	40,929,101,220
Oct 17, 2003	40,315,818,200
Oct 10, 2003	40,516,894,600
Oct 3, 2003	41,321,200,200
Sep 26, 2003	41,431,792,220
Sep 19, 2003	40,627,486,620
Sep 12, 2003	38,677,045,540
Sep 5, 2003	38,013,493,420
Aug 29, 2003	38,556,399,700
Aug 22, 2003	39,521,566,420
Aug 15, 2003	39,300,382,380
Aug 8, 2003	39,390,866,760
Aug 1, 2003	38,375,430,940
Jul 25, 2003	39,994,095,960
Jul 18, 2003	38,114,031,620
Jul 11, 2003	40,305,764,380
Jul 3, 2003	42,638,250,620
Jun 27, 2003	41,753,514,460
Jun 20, 2003	42,165,721,080
Jun 13, 2003	41,220,662,000
Jun 6, 2003	41,743,460,640
May 30, 2003	40,476,679,320
May 23, 2003	42,587,981,520
May 16, 2003	42,055,129,060
May 9, 2003	40,808,455,380
May 2, 2003	40,768,240,100
Apr 25, 2003	40,255,495,280
Apr 17, 2003	40,898,939,760
Apr 11, 2003	40,667,701,900
Apr 4, 2003	39,752,804,280
Mar 28, 2003	38,717,260,820
Mar 21, 2003	40,758,186,280
Mar 14, 2003	38,807,745,200
Mar 7, 2003	38,616,722,620
Feb 28, 2003	40,074,526,520
Feb 21, 2003	41,663,030,080
Feb 14, 2003	40,878,832,120
Feb 7, 2003	39,803,073,380
Jan 31, 2003	41,049,747,060
Jan 24, 2003	42,487,443,320
Jan 17, 2003	43,965,354,860
Jan 10, 2003	43,673,794,080
Jan 3, 2003	44,870,198,660
Dec 27, 2002	43,814,547,560
Dec 20, 2002	43,543,094,420
Dec 13, 2002	43,331,964,200
Dec 6, 2002	42,366,797,480
Nov 29, 2002	41,864,106,480
Nov 22, 2002	42,929,811,400
Nov 15, 2002	45,191,920,900
Nov 8, 2002	44,518,314,960
Nov 1, 2002	44,166,431,260
Oct 25, 2002	46,338,056,380
Oct 18, 2002	44,116,162,160
Oct 11, 2002	45,151,705,620
Oct 4, 2002	46,237,518,180
Sep 27, 2002	44,649,014,620
Sep 20, 2002	45,614,181,340
Sep 13, 2002	45,010,952,140
Sep 6, 2002	44,327,292,380
Aug 30, 2002	43,995,516,320
Aug 23, 2002	43,804,493,740
Aug 16, 2002	44,427,830,580
Aug 9, 2002	43,754,224,640
Aug 2, 2002	43,492,825,320
Jul 26, 2002	41,582,599,520
Jul 19, 2002	40,858,724,480
Jul 12, 2002	43,301,802,740
Jul 5, 2002	43,362,125,660
Jun 28, 2002	43,945,247,220
Jun 21, 2002	43,794,439,920
Jun 14, 2002	44,035,731,600
Jun 7, 2002	45,423,158,760
May 31, 2002	45,493,535,500
May 24, 2002	46,116,872,340
May 17, 2002	46,106,818,520
May 10, 2002	46,368,217,840
May 3, 2002	45,674,504,260
Apr 26, 2002	44,086,000,700
Apr 19, 2002	44,236,808,000
Apr 12, 2002	42,799,111,740
Apr 5, 2002	42,869,488,480
Mar 28, 2002	40,868,778,300
Mar 22, 2002	39,994,095,960
Mar 15, 2002	39,752,804,280
Mar 8, 2002	40,677,755,720
Mar 1, 2002	41,461,953,680
Feb 22, 2002	40,657,648,080
Feb 15, 2002	41,612,760,980
Feb 8, 2002	40,738,078,640
Feb 1, 2002	40,205,226,180
Jan 25, 2002	38,878,121,940
Jan 18, 2002	40,436,464,040
Jan 11, 2002	41,230,715,820
Jan 4, 2002	40,104,687,980
Dec 28, 2001	38,978,660,140
Dec 21, 2001	38,616,722,620
Dec 14, 2001	37,993,385,780
Dec 7, 2001	38,757,476,100