| 持股明細(資料日期：2025/04/30) |
| 持股名稱 | 比例 |
| National Grid Plc | 9.28% |
| Eaton Corporation Plc | 7.93% |
| Johnson Controls International Plc | 7.73% |
| ABB Ltd | 7.72% |
| Schneider Electric SE | 7.51% |
| Quanta Services, Inc. | 4.45% |
| Hubbell Incorporated | 3.78% |
| Prysmian SpA | 3.28% |
| TERNA - Rete Elettrica Nazionale SpA | 2.85% |
| Aptiv Plc | 2.54% |
| Hydro One Limited | 2.50% |
| Tesla, Inc. | 1.90% |
| Red Electrica Corporacion S.A. | 1.74% |
| NVIDIA Corporation | 1.72% |
| nVent Electric Plc | 1.70% |
| Equatorial Energia SA | 1.66% |
| Oracle Corporation | 1.54% |
| SPIE S.A. | 1.47% |
| Cisco Systems, Inc. | 1.45% |
| International Business Machines Corporation | 1.40% |
| Samsung SDI Co., Ltd. | 1.39% |
| Elia Group SA/NV | 1.07% |
| Siemens AG | 1.06% |
| Enphase Energy, Inc. | 1.05% |
| QUALCOMM Incorporated | 1.03% |
| Texas Instruments Incorporated | 0.91% |
| Honeywell International Inc. | 0.91% |
| HD Hyundai Electric Co., Ltd. | 0.89% |
| Itron, Inc. | 0.87% |
| NKT A/S | 0.85% |
| Voltronic Power Technology Corp. | 0.76% |
| Hitachi, Ltd. | 0.75% |
| Nexans S.A. | 0.69% |
| Iberdrola S.A. | 0.66% |
| Analog Devices, Inc. | 0.61% |
| Fortune Electric Co., Ltd. | 0.59% |
| GE Vernova Inc. | 0.59% |
| Advanced Energy Industries, Inc. | 0.58% |
| Energisa SA (Units) | 0.57% |
| Transmissora Alianca de Energia Electrica S.A. (Unit) | 0.45% |
| Enel SpA | 0.42% |
| Emerson Electric Co. | 0.39% |
| Atkore Inc. | 0.39% |
| BYD Company Limited (Class H) | 0.39% |
| Companhia Paranaense de Energia-Copel (Preference B) | 0.38% |
| Alupar Investimento S.A (Unit) | 0.37% |
| MYR Group Inc. | 0.34% |
| LS Electric Co., Ltd. | 0.31% |
| Landis+Gyr Group AG | 0.30% |
| Shihlin Electric & Engineering Corporation | 0.27% |
| Mitsubishi Electric Corporation | 0.27% |
| Infineon Technologies AG | 0.26% |
| NXP Semiconductors N.V. | 0.26% |
| Isa Energia Brasil SA (Preference) | 0.25% |
| E.ON SE | 0.25% |
| Meidensha Corporation | 0.24% |
| REN - Redes Energeticas Nacionais, SGPS, S.A. | 0.24% |
| Engie S.A. | 0.23% |
| Daihen Corporation | 0.20% |
| US Dollar | 0.20% |
| Legrand S.A. | 0.19% |
| Panasonic Holdings Corporation | 0.19% |
| Ta Ya Electric Wire & Cable Co., Ltd. | 0.18% |
| Taihan Electric Wire Co., Ltd. | 0.16% |
| Allis Electric Co., Ltd. | 0.16% |
| Fortis Inc. | 0.16% |
| American Superconductor Corporation | 0.15% |
| Renesas Electronics Corporation | 0.15% |
| SSE Plc | 0.15% |
| SolarEdge Technologies, Inc. | 0.13% |
| R&S Group Holding AG | 0.12% |
| Hammond Power Solutions Inc. | 0.12% |
| Cenergy Holdings SA | 0.12% |
| WEG S.A. | 0.11% |
| Willdan Group, Inc. | 0.11% |
| Trimble Inc. | 0.10% |
| Wasion Holdings Limited | 0.10% |
| Sanil Electric Co., Ltd. | 0.10% |
| Sumitomo Electric Industries, Ltd. | 0.08% |
| Alfen Beheer BV | 0.08% |
| Iljin Electric Co., Ltd. | 0.07% |
| SMA Solar Technology AG | 0.07% |
| Preformed Line Products Company | 0.07% |
| Verbund AG | 0.06% |
| EDP - Energias de Portugal, S.A. | 0.06% |
| Osaki Electric Co., Ltd. | 0.05% |
| WESCO International, Inc. | 0.05% |
| MasTec, Inc. | 0.05% |
| Valmont Industries, Inc. | 0.04% |
| Advantech Co., Ltd. | 0.04% |
| Samsung SDI Co., Ltd. (Rights) | 0.04% |
| The AES Corporation | 0.04% |
| Fluence Energy, Inc. (Class A) | 0.04% |
| Generac Holdings Inc. | 0.04% |
| Littelfuse, Inc. | 0.03% |
| EnerSys | 0.02% |
| ESCO Technologies Inc. | 0.02% |
| Arcosa, Inc. | 0.02% |
| NGK Insulators, Ltd. | 0.02% |
| Belden Inc. | 0.02% |
| Brazilian Real | 0.02% |
| AZZ Inc. | 0.01% |
| Chung-Hsin Electric and Machinery Manufacturing Corp. | 0.01% |
| Hyosung Heavy Industries Corporation | 0.01% |
| GS Yuasa Corporation | 0.01% |
| Euro | 0.01% |
| Digi International Inc. | 0.01% |
| Japanese Yen | 0.01% |
| STMicroelectronics N.V. | 0.01% |
| Stella-Jones Inc. | 0.01% |