National Grid Transco - Stock Price History | NGG

Historical daily share price chart and data for National Grid Transco since 2021 adjusted for splits. The latest closing stock price for National Grid Transco as of October 22, 2021 is 62.82.
  • The all-time high National Grid Transco stock closing price was 94.45 on December 10, 2007.
  • The National Grid Transco 52-week high stock price is 68.49, which is 9% above the current share price.
  • The National Grid Transco 52-week low stock price is 55.89, which is 11% below the current share price.
  • The average National Grid Transco stock price for the last 52 weeks is 62.13.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.
National Grid Transco Historical Annual Stock Price Data
Year Average Stock Price Year Open Year High Year Low Year Close Annual % Change
2020 59.1123 62.3400 68.7500 45.3500 59.0300 -5.81%
2019 54.5520 48.7500 62.9200 48.7500 62.6700 30.62%
2018 54.7272 58.8400 59.6400 46.7200 47.9800 -18.42%
2017 64.4496 62.9213 75.2045 57.8700 58.8100 -7.58%
2016 74.7585 75.2045 81.2480 61.8087 63.6304 -16.12%
2015 74.3687 76.2954 79.0117 68.8775 75.8591 -1.58%
2014 77.5765 70.1865 84.1388 69.0957 77.0808 8.18%
2013 64.5599 62.9541 71.2556 57.7615 71.2556 13.72%
2012 58.0171 53.5835 63.0850 51.3909 62.6595 18.48%
2011 52.8301 48.2928 56.7361 46.4492 52.8853 9.24%
2010 49.4730 59.6924 59.6924 40.1767 48.4128 -18.39%
2009 51.1290 55.2853 61.3723 40.6022 59.3215 7.77%
2008 72.2823 89.4513 93.2475 47.8128 55.0453 -39.53%
2007 83.9335 78.7935 94.4475 75.8700 91.0331 14.91%
2006 62.7720 54.5326 80.7243 53.1799 79.2189 49.15%
2005 51.7374 51.4018 56.3325 48.5219 53.1144 0.00%
Sector Industry Market Cap Revenue
Utilities Utility - Electric Power Distribution $44.407B $19.335B
NATIONAL GRID -ADR is an international energy delivery business, whose principal activities are in the regulated electricity and gas industries. They own and operate the high-voltage electricity transmission network in England and Wales, and Britain's natural gas transportation system. In the US they are one of the top ten electricity companies, with the largest electricity transmission and distribution network in the New England/New York region.
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DTE Energy (DTE) United States $22.359B 14.18
PPL (PPL) United States $22.326B 17.69
Ameren (AEE) United States $21.726B 23.21
Fortis (FTS) Canada $21.072B 21.63
Entergy (ETR) United States $20.883B 17.44
FirstEnergy (FE) United States $20.260B 15.26
Avangrid (AGR) United States $20.189B 21.46
CMS Energy (CMS) United States $17.611B 19.68
Brookfield Infrastructure Partners LP (BIP) Bermuda $17.050B 43.09
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CenterPoint Energy (CNP) United States $15.718B 16.78
Korea Electric Power (KEP) South Korea $12.608B 13.27
Brookfield Renewable Partners (BEP) Bermuda $10.428B 0.00
Centrais El¿tricas Brasileiras SA (EBR) Brazil $10.104B 8.47
NRG Energy (NRG) United States $10.036B 16.21
Eletrobras (EBR.B) Brazil $9.916B 8.32
NiSource (NI) United States $9.771B 18.72
Algonquin Power & Utilities (AQN) Canada $9.395B 21.27
Vistra (VST) United States $9.216B 0.00
Pinnacle West Capital (PNW) United States $7.595B 13.13
Huaneng Power (HNP) China $7.523B 14.31
OGE Energy (OGE) United States $6.766B 13.91
IDACORP (IDA) United States $5.227B 20.57
Hawaiian Electric Industries (HE) United States $4.522B 18.64
Comp En De Mn Cemig ADS (CIG) Brazil $4.494B 5.24
Portland General Electric (POR) United States $4.328B 16.69
PNM Resources (PNM) United States $4.270B 20.56
Black Hills (BKH) United States $4.177B 17.55
Enersis Chile S.A (ENIC) Chile $3.292B 5.17
Allete (ALE) United States $3.209B 19.18
TransAlta (TAC) Canada $3.141B 0.00
Companhia Paranaense De Energia (COPEL) (ELP) Brazil $2.999B 1.28
Avista (AVA) United States $2.753B 18.73
Kenon Holdings (KEN) Singapore $2.198B 0.00
Pampa Energia S.A (PAM) Argentina $1.142B 4.88
Unitil (UTL) United States $0.683B 18.13
Empresa Distribuidora Y Comercializadora Norte S.A (Edenor) (EDN) Argentina $0.314B 0.00
Genie Energy (GNE) United States $0.152B 20.79