The Electricity Act Article 27
To ensure the stability and safety of the power supply, Electricity-Generating and Electricity-Retailing Enterprises shall, when selling power to users, set an appropriate level of electricity reserve capacity based on its sales volume, and report the reserve capacity level to the Electricity Industry Regulatory Agency. However, the restriction does not apply to Renewable Energy-Based Electricity-Generating Enterprises below a certain installed capacity. To meet the reserve capacity requirement, an Electricity-Generating Enterprise may either use its own facilities to generate power or purchase from other Electricity-Generating Enterprises, Self-Use Power-Generation Equipment operators, or Demand Response providers.The ‘certain installed capacity’ in the previous paragraph shall be stipulated by the Electricity Industry Regulatory Agency.The Electricity Industry Regulatory Agency shall establish rules governing the content, calculation formula, criteria and scope, reporting procedure and period, review, audit, management, and other points of compliance regarding electricity reserve capacity described in the first paragraph of this Article.
中文原文 電業法第27條
為確保供電穩定及安全，發電業及售電業銷售電能予其用戶時，應就其電能銷售量準備適當備用供電容量，並向電業管制機關申報。
但一定裝置容量以下之再生能源發電業，不受此限。
該容量除得依本法規定自設外，並得向其他發電業、自用發電設備設置者或需量反應提供者購買。
前項一定裝置容量，由電業管制機關定之。
第一項備用供電容量之內容、計算公式、基準與範圍、申報程序與期間、審查、稽核、管理及其他應遵行事項之辦法，由電業管制機關定之。
但一定裝置容量以下之再生能源發電業，不受此限。
該容量除得依本法規定自設外，並得向其他發電業、自用發電設備設置者或需量反應提供者購買。
前項一定裝置容量，由電業管制機關定之。
第一項備用供電容量之內容、計算公式、基準與範圍、申報程序與期間、審查、稽核、管理及其他應遵行事項之辦法，由電業管制機關定之。