宁波：探索市场化节水机制，创新推行合同节水管理模式

Group 1 - Ningbo faces dual pressures of water resource shortages and increasing demand due to accelerated urban-rural integration, leading to a focus on addressing pipeline leakage as a breakthrough point [1] - The introduction of third-party water-saving service companies aims to implement contract water-saving management projects, integrating advanced water-saving technologies to provide services and share savings benefits [1][2] - The collaboration between Xiangshan Water Group and Donghai Group represents Ningbo's first attempt at contract water-saving management, achieving shared benefits from water-saving efforts through systematic detection and upgrades of water supply networks [1][2] Group 2 - The partnership has led to the establishment of a smart water management system, significantly reducing pipeline leakage rates from 36.15% to 13.73%, resulting in cumulative water savings of 41.26 million cubic meters and operational cost savings of 61.89 million yuan [2] - The contract water-saving project has seen an investment of 30.83 million yuan over three years, yielding actual returns of 35.46 million yuan and a profit of 4.62 million yuan, demonstrating a win-win situation for both the water supply and water-saving service companies [2] - Ningbo has implemented 29 contract water-saving management projects citywide, achieving annual water savings of 15 million cubic meters and direct economic benefits exceeding 45 million yuan, creating a new model for collaborative water resource utilization [3]