The Electricity Act Article 46

The Electricity Transmission and Distribution Enterprise shall plan, build, and maintain the Power Grids across the country.The Electricity Transmission and Distribution Enterprise shall not reject any user’s request for the installation of networks connecting the Power Grid to the user’s location, except with justifiable reasons and approval by the Electricity Industry Regulatory Agency.The Electricity Transmission and Distribution Enterprise shall make Power Grids available for use by Electricity-Generating Enterprises or Electricity-Retailing Enterprises based on the principles of fairness and openness, allowing said enterprises to wheel electric power and charge fees accordingly. Differential treatment to certain suppliers is prohibited, except with justifiable reasons and approval by the Electricity Industry Regulatory Agency.The Electricity Transmission and Distribution Enterprise may charge the users for installation of networks as prescribed in paragraph 1 of this Article, except for residential users in remote areas.
中文原文 電業法第46條
輸配電業應規劃、興建與維護全國之電力網。
輸配電業對於用戶申請設置由電力網聯結至其所在處所之線路,不得拒絕。
但有正當理由,並經電業管制機關核准者,不在此限。
輸配電業應依公平、公開原則提供電力網予發電業或售電業使用,以轉供電能並收取費用,不得對特定對象有不當之差別待遇。
但有正當理由,並經電業管制機關核准者,不在此限。
第二項輸配電業所設置之線路,除偏遠地區家戶用電外,得對用戶酌收費用。

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