2018 | 2017 | Name | Country | 2018 | 2017 | 2018 | 2017 |
|---|---|---|---|---|---|---|---|
| 1 | State Grid | China | $40,944M | $0M | AA+ | ||
| 2 | 2 | EDF | France | $9,869M | $8,268M | AA+ | AA+ |
| 3 | 3 | Enel | Italy | $8,608M | $7,936M | AAA- | AAA- |
| 4 | 1 | Engie | France | $8,386M | $10,078M | AA | AA |
| 5 | 5 | KEPCO | South Korea | $5,035M | $4,353M | AAA- | AA+ |
| 6 | Innogy | Germany | $4,068M | $0M | A+ | ||
| 7 | 6 | Iberdrola | Spain | $3,857M | $4,126M | AA+ | AAA- |
| 8 | 9 | SSE | United Kingdom | $3,666M | $3,367M | AA- | AA+ |
| 9 | 11 | TEPCO | Japan | $3,630M | $3,132M | AA- | AA- |
| 10 | 7 | Veolia | France | $3,265M | $3,717M | AA- | AA+ |
| 11 | Uniper | Germany | 🔒 | 🔒 | 🔒 | 🔒 | |
| 12 | 10 | Endesa | Spain | 🔒 | 🔒 | 🔒 | 🔒 |
| 13 | 4 | E.ON | Germany | 🔒 | 🔒 | 🔒 | 🔒 |
| 14 | 16 | Exelon | United States | 🔒 | 🔒 | 🔒 | 🔒 |
| 15 | 12 | DUKE ENERGY | United States | 🔒 | 🔒 | 🔒 | 🔒 |
| 16 | 14 | gasNatural Fenosa | Spain | 🔒 | 🔒 | 🔒 | 🔒 |
| 17 | 19 | KOGAS | South Korea | 🔒 | 🔒 | 🔒 | 🔒 |
| 18 | 13 | EDP | Portugal | 🔒 | 🔒 | 🔒 | 🔒 |
| 19 | 41 | Saudi Electricity Company | Saudi Arabia | 🔒 | 🔒 | 🔒 | 🔒 |
| 20 | 28 | Waste Management | United States | 🔒 | 🔒 | 🔒 | 🔒 |
| 21 | 15 | British Gas | United Kingdom | 🔒 | 🔒 | 🔒 | 🔒 |
| 22 | 25 | Tenaga Nasional | Malaysia | 🔒 | 🔒 | 🔒 | 🔒 |
| 23 | 23 | Southern Company | United States | 🔒 | 🔒 | 🔒 | 🔒 |
| 24 | 21 | Vattenfall | Sweden | 🔒 | 🔒 | 🔒 | 🔒 |
| 25 | 20 | National Grid | United Kingdom | 🔒 | 🔒 | 🔒 | 🔒 |
| 26 | 18 | Chubu | Japan | 🔒 | 🔒 | 🔒 | 🔒 |
| 27 | 17 | PG&E | United States | 🔒 | 🔒 | 🔒 | 🔒 |
| 28 | GD Power Development | China | 🔒 | 🔒 | 🔒 | 🔒 | |
| 29 | 24 | EnBW | Germany | 🔒 | 🔒 | 🔒 | 🔒 |
| 30 | 31 | Kansai | Japan | 🔒 | 🔒 | 🔒 | 🔒 |
| 31 | 22 | DOMINION | United States | 🔒 | 🔒 | 🔒 | 🔒 |
| 32 | 32 | Florida Power & Light | United States | 🔒 | 🔒 | 🔒 | 🔒 |
| 33 | Datang Power | China | 🔒 | 🔒 | 🔒 | 🔒 | |
| 34 | 46 | Kyushu Electric Power | Japan | 🔒 | 🔒 | 🔒 | 🔒 |
| 35 | 36 | Edison International | United States | 🔒 | 🔒 | 🔒 | 🔒 |
| 36 | 44 | Tohoku Electric Power | Japan | 🔒 | 🔒 | 🔒 | 🔒 |
| 37 | 30 | PSEG | United States | 🔒 | 🔒 | 🔒 | 🔒 |
| 38 | 42 | Edison | Italy | 🔒 | 🔒 | 🔒 | 🔒 |
| 39 | CGN | China | 🔒 | 🔒 | 🔒 | 🔒 | |
| 40 | 29 | Xcel Energy | United States | 🔒 | 🔒 | 🔒 | 🔒 |
| 41 | Ørsted | Denmark | 🔒 | 🔒 | 🔒 | 🔒 | |
| 42 | Fortis | Canada | 🔒 | 🔒 | 🔒 | 🔒 | |
| 43 | 43 | Berkshire Energy | United States | 🔒 | 🔒 | 🔒 | 🔒 |
| 44 | 49 | CLP | China (Hong Kong) | 🔒 | 🔒 | 🔒 | 🔒 |
| 45 | 39 | Scottish Power | Spain | 🔒 | 🔒 | 🔒 | 🔒 |
| 46 | NEXTera ENERGY | United States | 🔒 | 🔒 | 🔒 | 🔒 | |
| 47 | 38 | Direct Energy | United States | 🔒 | 🔒 | 🔒 | 🔒 |
| 48 | 50 | Republic Services | United States | 🔒 | 🔒 | 🔒 | 🔒 |
| 49 | 40 | conEdison | United States | 🔒 | 🔒 | 🔒 | 🔒 |
| 50 | 37 | DTE Energy | United States | 🔒 | 🔒 | 🔒 | 🔒 |