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NGG
National Grid Transco PLC National Grid PLC (NEW) American Depositary SharesStock · Utilities
$80.41+$0.15 (+0.19%)as of market close, Aug 6, 2026
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NGG returns by year

National Grid Transco PLC National Grid PLC (NEW) American Depositary Shares has returned +2.1% annually (CAGR) since 2006. Calendar-year, monthly and weekly total returns for National Grid Transco PLC National Grid PLC (NEW) American Depositary Shares (NGG) below, through August 6, 2026 — the most recent year is year-to-date.

Annualized (CAGR)
+2.1%
2006–2026
Average year
+4.0%
20 full years
Best year
+49.1%
2006
Worst year
-39.5%
2008
Positive years
11/20
55% up

National Grid Transco PLC National Grid PLC (NEW) American Depositary Shares returns by year (20062026)#

Calendar-year returns with each year's path and its dividend contribution (dividend return = total minus price return).

National Grid Transco PLC National Grid PLC (NEW) American Depositary Shares annual returns by year
YearTotal return
2026YTD
+4.0%
2025
+30.2%
2024
-12.6%
2023
+12.7%
2022
-16.6%
2021
+22.5%
2020
-5.8%
2019
+30.6%
2018
-18.4%
2017
-7.6%
2016
-16.1%
2015
-1.6%

Total return by period

-40%-20%+0%+20%+40%
'06'08'10'12'14'16'18'20'22'24'26

Methodology#

Returns are total returns (dividends reinvested), computed from NGG's split- and dividend-adjusted closes. The bar chart switches between annual and monthly periods. Annualized return is the compound annual growth rate over the full period. The current year is year-to-date. See also the periodic table of returns. Past performance does not predict future returns; not investment advice.

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FAQ

What is National Grid Transco PLC National Grid PLC (NEW) American Depositary Shares's average annual return?
Since 2006, National Grid Transco PLC National Grid PLC (NEW) American Depositary Shares (NGG) has returned about 2.1% a year (the compound annual growth rate) and an average calendar-year return of 4.0%.
What were National Grid Transco PLC National Grid PLC (NEW) American Depositary Shares's best and worst years?
Over 2006–2026, the best year was 2006 (+49.1%) and the worst was 2008 (-39.5%).
How often is National Grid Transco PLC National Grid PLC (NEW) American Depositary Shares up in a year?
11 of the 20 full years since 2006 were positive — about 55% of the time.