Project Overview

案例概述

110kV Hengjian Substation of Liyang Power Supply Company, State Grid, is the smallest 110kV substation in Jiangsu Province. Adhering to the concept of green intensification, the station saves 24.4% of land compared to similar types and expands 840 square meters of open areas to the public. Located near Liyang's "No.1 Highway" and Nanshan Bamboo Sea, its exterior adopts Hui-style architecture to blend with the scenic landscape.

国网溧阳市供电公司110千伏横涧变电站是江苏省内占地最小的110千伏变电站。该站贯彻绿色集约理念，占地较同类型节省24.4%，还扩展840平方米对外开放区域，地处溧阳“1号公路”旁、南山竹海周边，外观采用徽派建筑形式，契合景区风貌。

During construction, the station pioneered the extensive use of prefabricated PC structures in the province, shortening the construction period, reducing costs and difficulties, while minimizing steel consumption and carbon emissions. The site features permeable pavement and eco-friendly roadbed materials, achieving the "Five Savings and One Environmental Protection" standard. Open areas are equipped with parking spaces and shared charging piles.

建设中，该站在省内率先大量采用预制PC结构，缩短建设周期、降本减难，减少钢材用量与碳排放；站内道路采用渗透型路面，路基使用环保材料，实现“五节一环保”，开放区域设有停车位与共享充电桩。

In terms of operation and maintenance, the station achieves "full-spectrum monitoring and remote control" of equipment, creating a smart substation that enables "minimal inspections and maintenance" through multiple systems and intelligent devices. Regarding green energy utilization, it integrates photovoltaic systems with charging piles to form a comprehensive energy station, with a photovoltaic capacity of 86.4 kW and an annual power generation of approximately 95,000 kWh, significantly reducing carbon emissions.

运维上，该站实现设备“全息监测、远程监控”，打造智慧变电站，通过多系统与智能设备实现“免巡视、少维护”；绿能利用方面，融合光伏与充电桩建设综合能源站，光伏装机86.4千瓦，年均发电约9.5万度，减碳效果显著。

Company/Organization Profile

机构简介

State Grid Liyang Power Supply Company, one of the 12 largest county-level power supply enterprises in Jiangsu Province, is responsible for ensuring safe power supply, grid construction, and power service operations within Liyang's jurisdiction. The company has been honored with multiple prestigious awards including National Ankang Cup Competition Winner, Advanced Enterprise in Residential Electricity Service Quality Special Campaign, Outstanding Unit in Customer Satisfaction Engineering Implementation; State Grid Corporation of China's First-Class County Power Enterprise and Civilized Unit designations; as well as Jiangsu Province's May 1st Labor Medal, Civilized Industry, and Civilized Unit recognitions. In May 2025, it was awarded the National Civilized Unit title, the highest honor in this category.

国网溧阳市供电公司作为江苏省12家大型县级供电公司之一，负责溧阳境内安全供电、电网建设和供电服务工作。公司先后获得全国“安康杯”竞赛活动优胜单位、“居民用电服务质量监管专项行动先进企业”、“实施用户满意工程先进单位”，国家电网公司“一流县供电企业”“文明单位”，江苏省“五一劳动奖状”“文明行业”“文明单位”等荣誉，2025年5月荣获全国文明单位称号。

Project Outcome

项目成果

1. Steel Usage Reduction and Emission Reduction: By adopting prefabricated PC structures, steel consumption was reduced from 220 tons to 50 tons, significantly cutting carbon emissions from steel production.

钢材使用减量减排：通过采用预制PC结构，用钢量从220吨降至50吨，大幅减少钢材生产过程中的碳排量。

2. Photovoltaic Power Generation Emission Reduction: The total installed photovoltaic capacity is 86.4 kW, with an annual power generation of approximately 95,000 kWh, equivalent to reducing carbon dioxide emissions by 95 tons per year and saving 38 tons of standard coal.

光伏发电减排：光伏总装机容量86.4千瓦，年均发电量约9.5万度，每年相当于减少二氧化碳95吨，节约38吨标准煤。

3. Land Saving Rate: The overall land area is 24.4% smaller than that of similar substations, achieving efficient land utilization.

土地节约率：整体占地面积较同类型变电站节省24.4%，实现土地资源高效利用。

4. Environmental Improvement: The station features permeable pavement, effectively mitigating the "heat island effect" within the site. "Water-resistant self-healing strong base materials" are used for the roadbed, minimizing damage to the soil environment. The exterior adopts Hui-style architecture, complemented by Jiangnan water garden-style landscaping walls, integrating the power facility into the scenic environment and enhancing visual harmony.

环境改善：站内采用渗透型路面，有效缓解“热岛效应”；路基使用“抗水性自修复强基材料”，减少对土壤环境的破坏；徽派建筑外观搭配江南水乡特色园艺围墙，使电力设施融入景区环境，提升周边景观协调性。

5. Expanded Public Access: An 840-square-meter open area is provided to the public, equipped with parking spaces and shared charging piles to meet the charging needs of tourists. Ensures stable power supply for the socio-economic and eco-cultural tourism development of the Daibu Nanshan area in Liyang, supporting regional tourism growth.

扩展对外开放区域：扩展840平方米对外开放区域，配备停车位与共享充电桩，满足景区充电需求，便利游客出行；为溧阳戴埠南山片区社会经济、生态文旅发展提供稳定电力保障，支撑区域文旅产业发展。

Project Highlights

项目亮点

Technological Innovation: Pioneered the integration of prefabricated PC structures, smart O&M, and green energy solutions, achieving an annual carbon reduction of 95 tons and meeting the "Five Savings and One Environmental Protection" standard.

技术创新：首创预制PC结构、智慧运维与绿能融合模式，年减碳95吨，达到“五节一环保”标准。

Ecological Synergy: Through government-enterprise collaboration, optimized land use efficiency while seamlessly blending infrastructure with scenic landscapes.

生态协同：通过政企联动，实现土地集约利用与景区景观无缝融合，创新生态协同模式。

Project Implementation

项目实施

1. Brief Implementation Plan and Process: Due to the insufficient power supply from the existing 35kV substation for the development of the Daibu Nanshan area's tourism, State Grid Liyang Power Supply Company initiated the planning of the 110kV Hengjian Substation. Located in the Nanshan Bamboo Sea scenic area with limited land availability, the project adopted a core strategy of "green intensification, smart environmental protection, and scenic integration." Key measures included scientific land-use planning and Hui-style architectural design, integration of photovoltaic systems with charging piles.

项目简要实施方案与过程：因溧阳戴埠南山片区全域旅游发展，原有35千伏变电站供电不足，国网溧阳市供电公司启动110千伏横涧变电站规划。结合项目地处南山竹海景区、土地稀缺且需契合景观的特点，确定“绿色集约、智慧环保、融入景区”核心方案，关键措施包括科学规划土地利用、采用徽派外观设计、整合光伏与充电桩。

2. Construction Innovations: Pioneered the use of prefabricated PC structures (factory-built, on-site assembly) in Jiangsu Province to shorten construction time and reduce difficulty. Implemented permeable pavement and "water-resistant self-healing strong base materials" for roadbeds, adhering to the "Five Savings and One Environmental Protection" principle. Expanded 840㎡ of public areas with parking spaces and shared charging piles.

建设创新：在江苏省内率先采用预制PC结构（工厂预制、现场组装），缩短工期、降低难度；实施渗透型路面与“抗水性自修复强基材料”路基，落实“五节一环保”原则；扩展840平方米公共区域，配备停车位与共享充电桩。

3. Smart Operation & Maintenance: Deployed multi-monitoring systems, smart sensors, and digital meters to establish a "full-spectrum monitoring and remote control" framework. Green Energy Utilization: Installed 86.4kW distributed photovoltaic stations on rooftops and carports.

智慧运维与绿能利用：部署多监测系统、智能传感器与数字化表计，建立“全息监测、远程监控”体系；在屋顶和车棚安装86.4千瓦分布式光伏电站。

4. Pre- and Post-Implementation Comparison - Power Supply & Regional Development: Before: Limited capacity of the 35kV substation hindered tourism and economic growth. After: The 110kV substation provided robust power support, enabling tourism projects and laying the foundation for the "source-grid-load-storage" distribution network and new power demonstration zone.

实施前后对比 - 供电能力与区域发展：实施前，35千伏变电站供电能力有限，制约文旅与经济发展；实施后，110千伏变电站提供强劲电力保障，助力文旅项目落地，为“源网荷储”配电网与新型电力示范区奠定基础。

5. Pre- and Post-Implementation Comparison - Land & Resource Efficiency: Before: Conventional 110kV substations required large land areas, exacerbating scarcity. After: Reduced land use by 24.4% (smallest in Jiangsu), saved steel (220 tons → 50 tons), and cut coal consumption by 38 tons annually via PV.

实施前后对比 - 土地与资源利用：实施前，传统110千伏变电站占地大，加剧土地稀缺问题；实施后，占地减少24.4%（江苏最小），节省钢材（220吨→50吨），通过光伏每年节约38吨标准煤。

6. Pre- and Post-Implementation Comparison - Environmental & Aesthetic Integration: Before: Traditional substations clashed with scenic aesthetics. After: Hui-style design with Jiangnan garden walls blended seamlessly; permeable pavement mitigated heat island effects; PV and eco-materials reduced carbon emissions by 95 tons/year.

实施前后对比 - 环境与景观融合：实施前，传统变电站外观生硬，与景区氛围冲突；实施后，徽派设计搭配江南园林围墙实现无缝融合，渗透型路面缓解“热岛效应”，光伏与环保材料年减碳95吨。

7. Pre- and Post-Implementation Comparison - Operational Efficiency & Cost: Before: Manual inspections were inefficient and costly. After: Smart systems enabled "minimal inspections and maintenance" (8 categories, 14 maintenance-free items), lowering costs while enhancing fault prediction.

实施前后对比 - 运维效率与成本：实施前，人工巡视效率低、成本高；实施后，智慧系统实现“免巡视、少维护”（8类14项检修免维护），降低成本并提升故障预警能力。

8. Challenges Overcome and Support Received - Challenges: Land Constraints: Optimized planning to minimize footprint. Construction Coordination: Prefabricated PC structures reduced on-site work and shortened timelines. Technical Integration: Ensured system compatibility through pilot tests.

克服的挑战与获得的支持 - 挑战：土地约束方面，通过优化规划压缩占地；施工协调方面，用预制PC结构减少现场施工、缩短工期；技术整合方面，通过试点测试确保系统兼容。

9. Challenges Overcome and Support Received - Support: Internal: Company provided planning, funding, and technical teams. External: Local government aided land planning and scenic coordination; scenic authorities approved design and construction.

克服的挑战与获得的支持 - 支持：内部，公司提供规划、资金与技术团队支持；外部，地方政府协助土地规划与景区协调，景区管理部门批准设计与施工，助力项目投产。

Project Impact & Sustainability

项目影响力、可推广性与可持续性

I. Impact - Technologically: Pioneered large-scale application of prefabricated PC structures, smart operation and maintenance, and green energy integration models. Achieved annual carbon reduction of 95 tons, setting a benchmark for "Five Savings and One Environmental Protection" in scenic-area substations.

影响力 - 技术层面：首创预制PC结构大规模应用、智慧运维与绿能融合模式，年减碳95吨，为景区型变电站树立“五节一环保”标杆。

 Impact - Institutionally: Government-enterprise collaboration promoted land intensification and landscape integration. Synergized power supply with tourism development, ensuring dual economic and ecological growth in the region.

影响力 - 机制层面：政企协同推进土地集约与景观融合，实现电力供应与文旅发展协同，保障区域经济与生态双提升。

II. Scalability: Technical solutions (e.g., prefabricated PC structures, smart monitoring, PV integration) are adaptable to all substation types. The model can be replicated in scenic areas or land-scarce regions, offering a "green + smart + landscape" construction blueprint for cost reduction and carbon mitigation.

可推广性：预制PC结构、智慧监测、光伏融合等技术方案适配各类变电站，模式可复制推广至景区及土地稀缺区域，为同类项目提供“绿色+智慧+景观”建设思路，助力行业降本减碳。

III. Sustainability: Future plans include building a new power demonstration zone centered on the substation, exploring "source-grid-load-storage" models, and advancing green energy development. Supports Liyang's green city initiatives, optimizing regional energy structures and laying a foundation for long-term carbon neutrality goals.

可持续性：后续计划以该站为中心构建新型电力示范区，探索“源网荷储”模式，持续推动能源绿色发展；支持溧阳绿色城市建设，优化区域能源结构，为长期实现双碳目标奠定基础。

(Using AI translation)

（使用AI翻译）