合同能源管理是市场化运作的新型节能机制，主要有节能效益分享型、节能量保证型、能源费用托管型三种类型。
Energy Performance Contracting ( EPC ) is a new type of energy-saving mechanism in market operation , which mainly includes three types : efficiency benefit sharing , energy-saving assurance and energy expenses entrusting .
能源托管