The Electricity Act Article 25

Electricity Generating Enterprises and the Electricity Transmission and Distribution Enterprise shall set up Electricity Facilities in accordance with relevant rules.The Electricity Transmission and Distribution Enterprise shall set up a geographical information management system for the Power Grid to record, among other information, the names of the power network lines, voltages, locations, and usage patterns, and update the information when appropriate. The competent authority may order the Electricity Transmission and Distribution Enterprise to provide information related to the Power Grid, to provide further information, or to dispatch personnel for inspection.The central competent authority shall establish rules governing the scope, items, layout, safety requirements, and other points of compliance for Electricity Facilities described in the first paragraph of this Article.
中文原文 電業法第25條
發電業及輸配電業應依規定設置電業設備。
輸配電業應建立電力網地理資訊管理系統,記載電力網線路名稱、電壓、分布位置、使用狀況等相關資料,並適時更新;主管機關於必要時,得通知輸配電業提供電力網相關資料,並命其補充說明或派員檢查。
第一項電業設備之範圍、項目、配置、安全事項及其他應遵行事項之規則,由中央主管機關定之。

English translation for reference only; the Chinese text prevails. Not legal advice.