The Electricity Act Article 69
Electric power generated by Self-Use Power-Generation Equipment may be sold to the Public Electricity-Retailing Utility or the Electricity Transmission and Distribution Enterprise for ancillary services. Sold electricity shall not exceed 20% of the total installed capacity. However, this restriction does not apply in the following circumstances:1. For Self-Use Power-Generation Equipment whose energy efficiency performance meets the standard prescribed by the Electricity Industry Regulatory Agency, up to 50% of total installed capacity may be sold.2. For electricity generated from renewable energy sources, all electric power produced by Self-Use Power Generation Equipment may be sold to the Electricity Enterprise.For Self-Use Power Generation Equipment with a capacity of 2,000 kilowatts or more, the purchase agreements for sales described in the preceding paragraph shall be submitted to the Electricity Industry Regulatory Agency for future reference. For Self-Use Power Generation Equipment with a capacity of less than 2000 kilowatts, the purchase agreements shall be submitted to the competent authority at the level of the Municipal Government or County (City) Government for future reference, with a copy forwarded to the Electricity Industry Regulatory Agency.
中文原文 電業法第69條
自用發電設備生產之電能得售予公用售電業，或售予輸配電業作為輔助服務之用，其銷售量以總裝置容量百分之二十為限。
但有下列情形者，不在此限：
一、能源效率達電業管制機關所定標準以上者，其銷售量得達總裝置容量百分之五十。
二、生產電能所使用之能源屬再生能源者，其生產之電能得全部銷售予電業。
前項購售之契約，設置裝置容量二千瓩以上自用發電設備者應送電業管制機關備查；未滿二千瓩者應送直轄市或縣（市）主管機關備查，並將副本送電業管制機關。
但有下列情形者，不在此限：
一、能源效率達電業管制機關所定標準以上者，其銷售量得達總裝置容量百分之五十。
二、生產電能所使用之能源屬再生能源者，其生產之電能得全部銷售予電業。
前項購售之契約，設置裝置容量二千瓩以上自用發電設備者應送電業管制機關備查；未滿二千瓩者應送直轄市或縣（市）主管機關備查，並將副本送電業管制機關。