Beilun Zhejiang Electric Power Photovoltaic-Storage Fully Distributed Project

Scale: 88 kW photovoltaic system + 100 kW/215 kWh energy storage system + charging stations (60 kW + 120 kW) Project Scope: EPC general contracting Location: Beilun District, Ningbo City Completion Date: December 2023

Ningbo Lüjie New Energy Co., Ltd. 2022 Ningbo City Pure Electric Bus Charging Infrastructure Construction Project

Project Scope: Four distribution substations with a total installed capacity of 16,000 kVA and 96 charging piles, each rated at 120 kW. Project Location: Jiangbei District, Zhenhai District, and Yinzhou District of Ningbo City. Scope of Work: EPC. Commissioning Date: 2022.

Ningbo Lüjie New Energy Co., Ltd.’s Huasheng Furniture Charging Station Project and the New Construction Project for the Ningbo Convention and Exhibition Center Charging Station

Project Scope: Two distribution rooms with a total installed capacity of 2,500 kVA and 30 charging piles, each rated at 80 kW. Project Location: Beilun District and Yinzhou District, Ningbo City. Scope of Work: EPC. Commissioning Date: 2021.

2017 BYD Pure Electric Bus Charging Infrastructure Construction Project

Project Scope: Two distribution substations with a total installed capacity of 17,600 kVA and 130 charging piles, each rated at 120 kW. Project Location: Jiangbei District, Zhenhai District, and Yinzhou District of Ningbo City. Project Scope: EPC. Commissioning Date: 2017.

Maintenance and Upkeep Project for the 110kV Logistics Substation Transmission Line and Communication Facilities of Yantai Wanhua Chemical (Ningbo)

Project Scope: The transmission line starts at the Daxie 220 kV Leng’ao Substation in Beilun and ends at the Wanhua 110 kV Logistics Substation. The double-circuit cable line has a total length of 1.78 km, while the optical cable is a 24-core non-metallic flame-retardant fiber optic cable with a total installed length of 2.3 km, connecting the Leng’ao Substation to the Logistics Substation. Project Location: Beilun District, Ningbo Project Scope: Maintenance and Upkeep

Maintenance and Upkeep Project for the 110 kV Substation of Ningbo Huatai Shengfu Polymer Materials Co., Ltd.

Project Scope: 2 main transformers, 7 110 kV GIS switchgear cabinets, 23 35 kV GIS switchgear cabinets, 2 sets of SVG dynamic reactive power compensation devices, and other electrical equipment; Project Location: Beilun District, Ningbo Scope of Work: Maintenance and Upkeep

Maintenance and Upkeep Project for the 220 kV Substation (Phases I and II) and External Transmission Lines of Daxie Petrochemical Engineering Co., Ltd.

Project Scope: Four 180 MVA 220 kV transformers, six 120 MVA 110 kV transformers, and other ancillary equipment and external power lines. Project Location: Beilun District, Ningbo Project Scope: Maintenance and Upkeep

Ningbo Haoyang New Materials Technology Co., Ltd. Distributed Photovoltaic Power Generation Project

Capacity: 7,200 kW Project Scope: EPC General Contracting + Power Plant O&M Location: Yuyao City, Ningbo Municipality Completion Date: December 2022

Shenzhou Textile Photovoltaic Curtain Wall Demonstration Project

Project Scale: 500 square meters Project Location: Ningbo, Zhejiang Province Scope of Work: EPC General Contracting Commissioning Date: 2021

220 MW Photovoltaic Power Generation Project in Shiqiao Town, Taibai Lake New Area

EPC General Contracting Project for Survey and Design Services Installed Capacity: 220 MW Project Location: Jining, Shandong Province Scope of Work: Design Commissioning Date: 2025

Huaxi New Energy Technology Co., Ltd. 120 MW Photovoltaic Power Generation Project

Installed capacity: 120 MWp, grid-connected at 110 kV Project location: Yanzhou, Shandong Province Scope of work: EPC Commissioning date: 2019

EPC Project for the 8,441.95 kWp + 3 MW/6 MWh Solar-plus-Storage Project of Jiangsu Juyuan Electric Co., Ltd.

8,441.95 kWp + 3 MW/6 MWh Solar-plus-Storage EPC Project Project Scale: 8,441.95 kWp of photovoltaic capacity plus a 3 MW/6 MWh energy storage system Project Location: Rugao County, Nantong City, Jiangsu Province Scope of Work: EPC General Contracting Commissioning Date: 2023

EPC Project for the 11.6 MW/22.35 MWh Energy Storage Project at Xiangshan Huaxiang

Project Scale: 11.6 MW/22.35 MWh energy storage project Project Location: Xiangshan District, Ningbo City, Zhejiang Province Scope of Work: EPC general contracting Commissioning Date: Under construction; expected in 2025

Ningbo Xusheng Automobile Co., Ltd. (Third Factory) Photovoltaic-Storage Power Generation Project

The photovoltaic–energy-storage power station project of Ningbo Xusheng Automobile Co., Ltd. (Third Factory) has an energy-storage capacity of 0.5 MW/1 MWh and is located in the Beilun District of Ningbo City. Our company is responsible for providing EPC turnkey services for this project, which was successfully completed and put into operation in November 2020. This project marks Zhejiang Province’s first user-side megawatt-scale integrated photovoltaic–energy-storage station.

1.2 MW/2.4 MWh Smart Energy Storage Project on the User Side of Sanwei Datong

This project is a 1.2 MW/2.4 MWh smart energy storage system on the user side in Datong, with a storage capacity of 1.2 MW/2.4 MWh. The project is located in Haiyan County, Jiaxing City, and our company is responsible for providing EPC general contracting services. The project was successfully completed and put into operation in 2023.

Jiaxing Samsung Textile Co., Ltd. 0.5 MW/1 MWh Smart Energy Storage Project

This project is the 0.5 MW/1 MWh smart energy storage system for Jiaxing Samsung Textile Co., Ltd., with a battery storage capacity of 0.5 MW/1 MWh. Located in the Xuzhou District of Jiaxing City, our company is responsible for providing EPC turnkey services for this project. The project was successfully completed and put into operation in 2023, marking the first user-side smart energy storage project in the Xuzhou District of Jiaxing City.

Ningbo Peiyuan Co., Ltd. 1 MW/2 MWh User-Side Energy Storage Project

Ningbo Peiyuan Co., Ltd.’s 1 MW/2 MWh user-side energy storage project has a storage capacity of 1 MW/2 MWh and is located in Dongqiao Town, Haishu District, Ningbo City. Our company is responsible for providing EPC turnkey services for this project, which was successfully completed and put into operation in 2022.

Jinhua Wuyi 200 MW/400 MWh Grid-Side Energy Storage Project (Zhejiang Province’s Largest Grid-Side Energy Storage Power Station)

Project Scale: 200 MW/400 MWh Energy Storage Project Location: Wuyi, Jinhua Project Scope: Design Commissioning Date: Completed

Ninghai Shuangyili Power Supply Project

This project is located in Ninghai County, Ningbo City, and is currently under construction. It involves the construction of a new 3.1-km-long 35-kV double-circuit overhead transmission line and a new 4.8-km-long single-circuit cable line. The overhead conductors will be JL/LB20A-240/30 aluminum-clad steel-core aluminum stranded conductors, the overhead ground wires will consist of two 24-core fiber-optic composite overhead ground wires, and the cables will be YJV-26/35-1×300 mm² cross-linked polyethylene-insulated power cables.

35kV Collection Lines for the Laizhou Chengyuan Salt–Solar Complementary 200 MW Photovoltaic Project and Other Projects

This project is located in Laizhou City, Shandong Province, and involves substantial construction work. The new 35 kV four-circuit overhead line has a total length of 7.6 km, while the double-circuit overhead line spans 0.5 km. The conductors are JL/LB20A-240/30 aluminum-clad steel-core aluminum stranded conductors, and the overhead ground wire consists of two 48-core fiber-optic composite overhead ground wires.

Major Overhaul of Aging Tower 7723 on State Grid Zhejiang Ningbo 110kV Caiyin Line 1297

This project is located in Yinzhou District, Ningbo City, and has now been completed and put into operation. The newly constructed line route has a length of 0.301 km. The new transmission conductors are JL/G1A-300/40 steel-core aluminum stranded conductors, and the two ground wires are both OPGW-13-90-1 optical fiber composite overhead ground wires.

Reconstruction of Tilted Tower Poles No. 11–14 on the 110 kV Guangda 1530 Line in Ningbo, Zhejiang Province, State Grid

This project is located in the Jiangbei District of Ningbo City and has now been completed and put into operation. The newly constructed transmission line has a length of 0.751 km. The new conductor is JL/G1A-300/40 steel-core aluminum stranded wire, and both ground wires are OPGW-13-90-1 optical fiber composite overhead ground wires.

Major Overhaul of Aging Tower 7722 on State Grid Zhejiang Ningbo 110kV Tunheng Line 1355

This project is located in Cixi City, Ningbo Municipality, and has now been completed. The scope of work includes the replacement of conductors and hardware at two locations on the 110 kV Tunheng Line 1355 that currently use explosion-pressed tubes: specifically, the three-phase conductors between Tower 8 and Tower 9, and the B and C phase conductors between Tower 22 and Tower 27. The total length of the replaced conductor section is 1.505 km, with the new conductors being JL/G1A-240/40 steel-core aluminum stranded conductors. The ground wires are all OPGW-10-50-1 optical fiber composite overhead ground wires, with a total length of 8.23 km.

Ningbo 110kV Juzi–Beilun Power Line 6–Power Line 7 Relocation and Reconstruction Project

This project is located in Beilun District, Ningbo City, and has now been completed. A new double-circuit overhead transmission line with a total length of 0.235 km has been constructed, utilizing JL/G1A-300/40 steel-core aluminum stranded conductors for the phase conductors and two OPGW-13-90-1 optical ground wires for the shield wires.

Lightning Protection Retrofit Project for Lines Including the 220 kV Jingzhou–24F4 Line of State Grid Zhejiang Taizhou

This project is located in Taizhou City and has now been completed. The scope of the project involves the installation of 360 sets of line surge arresters on seven transmission lines, including the 220 kV Jingzhou–Zhoushan Line 24F4.

State Grid Zhejiang Ningbo 220kV Beiwu–Beiai Power Transmission Line Relocation and Reconstruction Project

This project is located in Beilun District, Ningbo City, and is currently under construction. It involves the construction of 2.6 km of new double-circuit overhead lines and 2.74 km of new single-circuit overhead lines. Conductor: 2×JL/LB20A-630/45 aluminum-clad steel-core aluminum stranded conductor is used. Ground wire: Two OPGW-120 optical fiber composite ground wires are employed.

State Grid Zhejiang Taizhou 220kV Guanghai Line 2352 Guyed Tower and Ground Wire Renovation Project

This project is located in Linhai City, Taizhou. The project has now been completed. The renovation involves the construction of two new single-circuit angle-steel towers and the replacement of two ground wires between spans 24 and 43 with JLB20A-70 aluminum-clad steel stranded conductors, spanning a total route length of 8.355 kilometers. In addition, two existing single-circuit guyed towers have been dismantled.

Reconstruction Project for 220kV Jiaoda Line 2311 and Jiaopeng Line 2314, Sections 42–44

This project is located in Zhenhai District, Ningbo City, and is currently under construction. The project is being built to the “three-span” standard, with a newly constructed double-circuit overhead transmission line measuring 0.612 km in length. Conductor: 2×JL/G1A-630/45 steel-core aluminum stranded conductor. Ground wire: two 72-core OPGW optical fiber composite overhead ground wires are used.

220kV External Power Supply Supporting Project for the Xikou Traction Substation of the Yongjin Railway in Ningbo, Zhejiang Province

This project is located within Ninghai County and Fenghua District of Ningbo City and has now been completed. The 220 kV Xikou Traction Substation is supplied with power from the 220 kV Yancang Substation, and the newly constructed transmission line has a total length of 42.75 km. Conductor: 2×JL3/G1A-400/35. Ground wire: two 36-core OPGW cables.

Power Supply and Distribution Engineering for the Yangyun Project in Wantou, Jiangbei District, Ningbo City

The Jianfa Yangyun project is located in the Jiangbei Wantou area, at the intersection of Xiajiang Road and Wantou Road, covering a land area of 18,160 square meters with a total floor area of approximately 70,000 square meters.