National Grid Transco Market Cap 2012-2025 | NGG
National Grid Transco market cap history and chart from 2012 to 2025. Market capitalization (or market value) is the most commonly used method of measuring the size of a publicly traded company and is calculated by multiplying the current stock price by the number of shares outstanding. National Grid Transco market cap as of November 10, 2025 is $77.15B.
| Sector | Industry | Market Cap | Revenue |
|---|---|---|---|
| Utilities | Utility - Electric Power Distribution | $77.148B | $23.613B |
| 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. | |||
| Stock Name | Country | Market Cap | PE Ratio |
|---|---|---|---|
| NextEra Energy (NEE) | United States | $174.793B | 22.68 |
| Iberdrola S.A (IBDRY) | Spain | $136.598B | 22.65 |
| Southern (SO) | United States | $100.685B | 21.57 |
| Duke Energy (DUK) | United States | $96.161B | 19.08 |
| American Electric Power (AEP) | United States | $64.855B | 20.20 |
| Vistra (VST) | United States | $64.715B | 43.81 |
| ENGIE - (ENGIY) | France | $59.981B | 0.00 |
| Dominion Energy (D) | United States | $52.589B | 18.55 |
| E.ON SE (EONGY) | Germany | $48.942B | 14.87 |
| Xcel Energy (XEL) | United States | $47.861B | 22.23 |
| Exelon (EXC) | United States | $46.686B | 16.44 |
| Entergy (ETR) | United States | $43.405B | 23.94 |
| Public Service Enterprise Group (PEG) | United States | $41.585B | 19.98 |
| WEC Energy (WEC) | United States | $36.716B | 21.34 |
| Pacific Gas & Electric (PCG) | United States | $36.288B | 11.39 |
| Consolidated Edison Inc (ED) | United States | $35.531B | 16.99 |
| NRG Energy (NRG) | United States | $33.058B | 20.13 |
| DTE Energy (DTE) | United States | $28.401B | 18.94 |
| Ameren (AEE) | United States | $28.298B | 20.85 |
| Eversource Energy (ES) | United States | $27.106B | 15.67 |
| PPL (PPL) | United States | $27.060B | 21.02 |
| FirstEnergy (FE) | United States | $26.515B | 17.06 |
| Eletrobras (EBR.B) | Brazil | $26.287B | 17.70 |
| Fortis (FTS) | Canada | $25.934B | 21.11 |
| CenterPoint Energy (CNP) | United States | $25.730B | 22.91 |
| Centrais El�tricas Brasileiras SA (EBR) | Brazil | $24.824B | 16.71 |
| CMS Energy (CMS) | United States | $22.285B | 20.75 |
| CLP Holdings (CLPHY) | Hong Kong, SAR China | $22.106B | 0.00 |
| Edison (EIX) | United States | $21.948B | 9.95 |
| NiSource (NI) | United States | $20.782B | 23.17 |
| Korea Electric Power (KEP) | South Korea | $19.593B | 4.35 |
| Evergy (EVRG) | United States | $17.402B | 20.21 |
| Alliant Energy (LNT) | United States | $17.304B | 20.22 |
| Power Assets Holdings (HGKGY) | Hong Kong, SAR China | $13.905B | 0.00 |
| China Resources Power Holdings (CRPJY) | Hong Kong, SAR China | $12.459B | 0.00 |
| Companhia Paranaense De Energia - Copel (ELPC) | $10.732B | 14.75 | |
| Pinnacle West Capital (PNW) | United States | $10.529B | 18.06 |
| AES (AES) | United States | $10.062B | 6.83 |
| OGE Energy (OGE) | United States | $8.929B | 17.80 |
| Brookfield Renewable Partners (BEP) | Bermuda | $8.835B | 0.00 |
| IDACORP (IDA) | United States | $6.996B | 22.24 |
| Companhia Paranaense De Energia (COPEL) (ELP) | Brazil | $6.371B | 66.88 |
| Comp En De Mn Cemig ADS (CIG) | Brazil | $6.210B | 0.00 |
| Portland General Electric (POR) | United States | $5.383B | 16.44 |
| Black Hills (BKH) | United States | $5.079B | 17.13 |
| Algonquin Power & Utilities (AQN) | Canada | $4.793B | 18.91 |
| TransAlta (TAC) | Canada | $4.602B | 517.00 |
| NorthWestern (NWE) | United States | $3.993B | 18.37 |
| Allete (ALE) | United States | $3.918B | 22.86 |
| Otter Tail (OTTR) | United States | $3.541B | 12.74 |
| Avista (AVA) | United States | $3.323B | 17.38 |
| MGE Energy (MGEE) | United States | $3.046B | 22.59 |
| Kenon Holdings (KEN) | Singapore | $2.746B | 0.00 |
| Hawaiian Electric Industries (HE) | United States | $1.997B | 14.11 |
| Centuri Holdings (CTRI) | United States | $1.861B | 51.19 |
| Empresa Distribuidora Y Comercializadora Norte S.A (Edenor) (EDN) | Argentina | $1.482B | 5.22 |
| Ballard Power Systems (BLDP) | Canada | $1.052B | 0.00 |
| Unitil (UTL) | United States | $0.858B | 15.80 |
| Genie Energy (GNE) | United States | $0.397B | 0.00 |
| Polar Power (POLA) | United States | $0.009B | 0.00 |
| Pampa Energia S.A (PAM) | Argentina | $0.000B | 14.84 |
| Great Plains Energy Inc (GXP) | United States | $0.000B | 0.00 |
| Enel Chile S.A (ENIC) | Chile | $0.000B | 64.00 |