The Electricity Act Article 36

Electricity Enterprises may install dedicated telecommunication facilities pursuant to the applicable provisions in the Telecommunications Act to fulfil the needs of operations, management, or safety protection.For effective management of resources, the Electricity Transmission and Distribution Enterprise may apply for a telecommunication service provider licence pursuant to paragraph 2 of Article 6 of this Act as well as the Telecommunications Act.
中文原文 電業法第36條
電業為營運、調度或保障安全之需要,得依電信法相關規定設置專用電信。
輸配電業為有效運用資源,得依第六條第二項及電信法相關規定,申請經營電信事業。

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