| 1 | 350A DIGITAL GRID Corporation | 44.6% FY2024 | FY2024 |
| 2 | 603A i GRID SOLUTIONS Inc. | 13.9% FY2025 | FY2025 |
| 3 | 9505 Hokuriku Electric Power Company | 11.1% FY2025 | FY2025 |
| 4 | 9503 The Kansai Electric Power Company, Incorporated | 10.8% FY2025 | FY2025 |
| 5 | 7162 ASTMAX Co., Ltd. | 10.4% FY2025 | FY2025 |
| 6 | 9508 Kyushu Electric Power Company, Incorporated | 10.0% FY2025 | FY2025 |
| 7 | 9519 RENOVA,Inc. | 9.5% FY2025 | FY2025 |
| 8 | 9534 HOKKAIDO GAS CO., LTD. | 9.4% FY2025 | FY2025 |
| 9 | 9507 Shikoku Electric Power Company, Incorporated | 8.9% FY2025 | FY2025 |
| 10 | 9532 OSAKA GAS CO., LTD. | 8.6% FY2025 | FY2025 |
| 11 | 9509 Hokkaido Electric Power Company, Incorporated | 8.6% FY2025 | FY2025 |
| 12 | 9513 Electric Power Development Co., Ltd. | 8.5% FY2025 | FY2025 |
| 13 | 9543 SHIZUOKA GAS CO.,LTD. | 7.0% FY2025 | FY2025 |
| 14 | 9531 TOKYO GAS CO.,LTD. | 7.0% FY2025 | FY2025 |
| 15 | 9506 Tohoku Electric Power Company, Incorporated | 6.8% FY2025 | FY2025 |
| 16 | 9502 Chubu Electric Power Company,Incorporated | 6.5% FY2025 | FY2025 |
| 17 | 9504 The Chugoku Electric Power Company, Incorporated | 6.3% FY2025 | FY2025 |
| 18 | 9551 METAWATER Co., Ltd. | 6.1% FY2025 | FY2025 |
| 19 | 9537 HOKURIKU GAS CO.,LTD. | 5.9% FY2025 | FY2025 |
| 20 | 9501 Tokyo Electric Power Company Holdings, Incorporated | 5.3% FY2025 | FY2025 |
| 21 | 9533 TOHO GAS CO., LTD. | 4.9% FY2025 | FY2025 |
| 22 | 9536 SAIBU GAS HOLDINGS CO.,LTD. | 4.8% FY2025 | FY2025 |
| 23 | 9517 erex Co.,Ltd. | 4.4% FY2025 | FY2025 |
| 24 | 9511 The Okinawa Electric Power Company, Incorporated | 4.2% FY2025 | FY2025 |
| 25 | 9539 KEIYO GAS CO., LTD. | 3.3% FY2025 | FY2025 |
| 26 | 9514 EF-ON INC. | 2.0% FY2025 | FY2025 |
| 27 | 9535 HIROSHIMA GAS CO.,LTD. | 1.8% FY2025 | FY2025 |