Jiangmen City Development and Reform Bureau, Jiangmen Shoutong New Energy Technology Co., Ltd:

The "Energy Conservation Report for the Production and Manufacturing Project of Lithium Iron Phosphate Battery Cells and Energy Storage Power Systems by Jiangmen Shoutong New Energy Technology Co., Ltd." has been received. According to the relevant requirements of the "Measures for Energy Conservation Review and Carbon Emission Assessment of Fixed Asset Investment Projects" (Order No. 31 of 2025 of the National Development and Reform Commission) and the "Implementation Measures for Energy Conservation Review of Fixed Asset Investment Projects in Guangdong Province" (Yue Neng Gui [2023] No. 3), our bureau has reviewed the energy conservation report of this project, and the review comments are as follows:

一. The main technical standards and construction plans adopted by the project basically comply with the relevant national and provincial energy-saving regulations and energy-saving and carbon-reduction policies, and in principle, the energy-saving report of the project is approved.

二. The project is located in Plot 2 on the north side of Xinzhong Highway, east of Provincial Road S272, Jiangmu Shuang Carbon New Energy Industrial Park, Muzhou Town, Xinhui District, Jiangmen City, with a total investment of about 2 billion yuan, and is expected to be put into operation in December 2026. The main construction contents include the purchase of high-end domestic and foreign production and manufacturing equipment, the construction of production lines for lithium iron phosphate cells and energy storage power systems, as well as auxiliary works such as water supply and drainage, power supply and distribution, roads, and landscaping. It is expected that after completion and reaching full capacity, the annual production will be 5 GWh of solid-state lithium iron phosphate cells (314 Ah), 2 GWh of residential and commercial energy storage, and 4 GWh of large-scale energy storage systems. The main buildings include production plants, office buildings, dormitories, wastewater treatment stations, warehouses, and supporting auxiliary facilities.

三. Energy-using processes.

It includes two core processes: lithium iron phosphate (LiFePO4) battery cell production and home/commercial energy storage system assembly. The production of LiFePO4 battery cells mainly involves steps such as preparation of cathode/anode slurry, coating and drying, rolling, slitting, stacked/wound battery production, welding and packaging, electrolyte injection, formation, and capacity sorting and testing. Energy storage system assembly uses self-produced LiFePO4 cells, ensuring consistency through strict cell selection and matching, and employs modular design and laser welding in the assembly process, integrating a battery management system with intelligent charge/discharge strategies and multiple safety protections.

四. Energy-using equipment.

(一) Main equipment. 5 nitrogen generators (power 45 kW, energy efficiency grade 2), 5 automatic feeding systems (power 120 kW, energy efficiency grade 2), 12 mixers (power 180 kW, energy efficiency grade 2), 6 coating machines (power 1650 kW, energy efficiency grade 2), 8 roller-integrated machines (power 90 kW, energy efficiency grade 2), 8 die-cutting machines (power 15 kW, energy efficiency grade 2), 10 automatic winding machines (power 30 kW, energy efficiency grade 2), 3 automatic assembly lines (power 85 kW, energy efficiency grade 2), 3 automatic oven lines (power 1600 kW, energy efficiency grade 2), 2 primary liquid injection machines (power 45 kW, energy efficiency grade 2), 92 vertical storage formation cabinets (power 60 kW, energy efficiency grade 2), 200 vertical storage grading cabinets (power 90 kW, energy efficiency grade 2), 3 welding and riveting secondary helium inspection machines (power 55 kW, energy efficiency grade 2), 2 automatic integrated battery pack assembly lines (power 450 kW, energy efficiency grade 2).  

(二) Auxiliary equipment. 6 permanent magnet variable frequency air compressors (power 325 kW, exhaust pressure 0.8 MPa, air production 56.9 m³/min, energy efficiency grade 2), 15 transformers (2 units with capacity 2500 kVA, no-load loss 2.45 kW, load loss 14.535 kW; 13 units with capacity 3150 kVA, no-load loss 1.784 kW, load loss 19.976 kW; all energy efficiency grade 2), 27 chiller units (10 units with rated cooling capacity 375 kW, power 65 kW, performance coefficient 5.77; 12 units with rated cooling capacity 562 kW, power 93 kW, performance coefficient 6.04; 5 units with rated cooling capacity 312.5 kW, power 55 kW, performance coefficient 5.68; all energy efficiency grade 2), as well as auxiliary equipment such as fans, water pumps, lighting, and environmental treatment facilities.

五. Measuring instruments.

Equip electricity, natural gas, water, and steam with energy metering instruments. Primary metering is conducted when externally purchased energy resources enter the plant, secondary metering is set up in each building and workshop, and major energy-consuming equipment achieves tertiary metering.

六. Main Indicators of Energy Consumption and Carbon Emissions After Project Completion. 

The project's annual comprehensive energy consumption will not exceed 46,992.70 tons of standard coal, including an annual electricity consumption not exceeding 232.0632 million kWh, an annual natural gas consumption not exceeding 19,000 cubic meters, an annual diesel consumption not exceeding 2.96 tons, and an annual steam consumption not exceeding 201,600.00 tons. The project's unit product comprehensive energy consumption will not exceed 136.71 kg of standard coal per 10,000 Ah.

The project's total annual carbon dioxide emissions will not exceed 154,754.84 tons, including direct emissions not exceeding 44.73 tons and indirect emissions not exceeding 154,710.11 tons. The project's unit product carbon emissions will not exceed 0.45 tons of carbon dioxide per 10,000 Ah, and the carbon emissions per unit added value will not exceed 1.10 tons of carbon dioxide per 10,000 yuan.

7. Based on the implementation of various energy-saving and carbon-reduction measures reported in the energy-saving report, the project should strengthen and improve the following energy-saving and carbon-reduction work:

(一) Process Energy Saving and Carbon Reduction.

1. Coating and Drying Process: The extrusion coating machine is driven entirely by motors, combined with programmable logic controllers, variable frequency, and servo control technologies. Through stepwise temperature control, product quality is ensured while reducing energy consumption, enabling one person to manage multiple machines.

2. Feeding and Mixing Process: Multiple powder feeding ports operate continuously without the need to shut down and restart, achieving seamless production, improving efficiency, and reducing energy consumption.

3. Baking Process: Automatic oven lines are used, and measures such as double-layer structure design, high-precision temperature control, and staged heating are implemented to improve energy utilization efficiency.

4. Formation Process: Series formation is used instead of parallel formation to reduce charge and discharge losses.

(二) Energy saving and carbon reduction for auxiliary and subsidiary production facilities.

1. The main energy-using products and equipment of the project meet the relevant standards of Level 2 energy efficiency or above. 

2. Select low-loss, energy-saving power transformers, reasonably choose the installed capacity, so that they operate within the economic load range; set supply and distribution points at the load centers of production areas and workshops for nearby power supply; perform local reactive power compensation to maintain a power factor above 0.95.

3. For electrical lighting, choose reasonable illumination standards and strictly control the lighting power density; select high-efficiency LED energy-saving lamps, and make full use of natural light and solar energy sources.

(三) Energy-saving and carbon reduction in buildings.

1. Reasonably design the building structure and orientation. Arrange the buildings as much as possible in a north-south direction. Minimize the number of windows on the east and west exterior walls of the main production plant to reduce the impact of sunlight on the building and decrease cooling energy consumption in summer.

2. Under the premise of meeting production requirements, minimize the ratio of the exterior wall area to the enclosed building volume as much as possible, and reasonably determine the door and window areas under the conditions of meeting lighting and ventilation requirements.

(4) Energy measurement and management.

1. According to the "General Rules for the Provision and Management of Energy Measurement Instruments in Energy-Using Units" (GB 17167-2025) and other standards, improve the energy measurement and monitoring management system and establish an energy measurement management system.

2. The provided electric meters and measurement instruments for mediums such as natural gas, fresh water, and steam must meet the accuracy requirements specified in the "General Rules for the Provision and Management of Energy Measurement Instruments in Energy-Using Units" (GB17167-2025).

3. Connect to the provincial online energy consumption monitoring system in accordance with the relevant requirements of the "Energy Conservation Management Measures for Key Energy-Using Units" (2018 revised version), and regularly submit reports on energy use and carbon emissions.

(五) Other requirements.

1. After the project is completed and put into operation, it should earnestly implement the national and provincial energy-saving and carbon-reduction policy requirements, actively carry out energy-saving and carbon-reduction technological transformations, and comprehensively adopt measures such as carbon emission quota trading and project carbon emission equivalence substitution to reduce project carbon emissions.

2. The project should give priority to selecting products and equipment with leading energy efficiency and carbon efficiency standards, include energy efficiency and carbon efficiency indicators as important technical indicators in equipment bidding documents and procurement contracts, and must not use backward processes and equipment that are explicitly prohibited or phased out by the state.

3. Strengthen energy and carbon emission management, and carry out real-time recording, monitoring, and analysis of the enterprise's energy consumption and carbon emissions.

八. If there are significant changes in the project construction unit, construction site, construction scale, main production equipment, energy-consuming equipment, process technology route, main product varieties, or other aspects such as the energy-saving report and energy-saving review opinions, please implement them in accordance with Article 18 of the 'Guangdong Province Fixed Asset Investment Project Energy Saving Review Implementation Measures' (Yue Neng Gui [2023] No. 3).

九. Jiangmen Shoutong New Energy Technology Co., Ltd. is requested to effectively supervise and inspect the project's design, construction, completion acceptance, and operation management based on this review opinion and the project's energy-saving report, and to report in a timely manner on the implementation of this review opinion and major matters related to the project. Our bureau will organize follow-up inspections on the implementation of energy-saving review opinions according to regulations.

十. Before the project is put into production or use, Jiangmen Shoutong New Energy Technology Co., Ltd. shall organize an acceptance inspection of the project's energy-saving and carbon reduction aspects, and the acceptance report shall be submitted to our bureau and the Jiangmen Municipal Development and Reform Bureau for record. If the energy-saving review and acceptance are not carried out as required, or if the acceptance is unqualified and the project is put into production or use without authorization, or if improper means such as providing false materials are used to pass the energy-saving review and acceptance, rectification shall be ordered within a time limit.

十一. Please urge the Jiangmen City Development and Reform Bureau to actively promote energy-saving and carbon reduction renovations for key energy-consuming units, strengthen refined management of energy budgets, and create energy consumption space for the construction of additional energy-consuming projects in Jiangmen City in the future.

十二. The energy-saving review opinion is valid for two years from the date of issuance. If the project has not started construction by the due date, a new energy-saving review and carbon emission assessment should be conducted.