National Grid Transco - Stock Price History | NGG

Historical daily share price chart and data for National Grid Transco since 2020 adjusted for splits. The latest closing stock price for National Grid Transco as of September 25, 2020 is 54.64.
  • 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 69.08, which is 26.4% above the current share price.
  • The National Grid Transco 52-week low stock price is 44.29, which is 18.9% below the current share price.
  • The average National Grid Transco stock price for the last 52 weeks is 58.67.
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
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 $40.297B $18.622B
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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Eversource Energy (ES) United States $28.263B 23.43
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Ameren (AEE) United States $19.324B 22.87
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CMS Energy (CMS) United States $17.560B 22.23
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NiSource (NI) United States $8.480B 16.52
Algonquin Power & Utilities (AQN) Canada $8.410B 22.90
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United Utilities Group (UUGRY) United Kingdom $7.662B 0.00
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Huaneng Power (HNP) China $6.056B 28.57
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China Resources Power Holdings (CRPJY) Hong Kong, SAR China $5.511B 0.00
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Enersis Chile S.A (ENIC) Chile $3.319B 0.00
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Portland General Electric (POR) United States $3.177B 13.49
Companhia Paranaense De Energia (COPEL) (ELP) Brazil $3.155B 4.84
EVN AG (EVNVY) Austria $3.058B 8.50
Innergex Renewable Energy (INGXF) Canada $3.046B 0.00
Comp En De Mn Cemig ADS (CIG) Brazil $2.961B 0.00
Companhia Paranaense De Energia (ELPVY) Brazil $2.923B 4.19
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Enel Generacion Chile S.A (EOCCY) Chile $2.728B 0.00
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Datang Power Generation (DIPGY) China $2.545B 0.00
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Avista (AVA) United States $2.302B 18.63
MGE Energy (MGEE) United States $2.272B 23.80
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Genie Energy (GNE) United States $0.211B 18.36
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