GB/T 45818-2025Greenhouse gases — Quantification methodologies and requirements for carbon footprint of products — Lighting products (English PDF)
温室气体 产品碳足迹量化方法与要求 照明产品
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
May 30, 2025
Implementation date
December 1, 2025
Scope
GB/T 45818-2025 is the English-translated version of 温室气体 产品碳足迹量化方法与要求 照明产品.
GB/T 45818-2025 is the Chinese national standard covering the carbon footprint of a lamp, a luminaire or its control gear — the life cycle principles, the functional or declared unit and the system boundary that decide whether two lamps of different life can be compared at all, the data collection, allocation and management rules, the calculation stage by stage from raw material acquisition through production and use to end of life, the default emission factors, and the report. First edition, under the China National Light Industry Council. In force from 1 December 2025. Issued on 30 May 2025, it has been in force since 1 December 2025.
Document preview — GB/T 45818-2025
National Standard of the People's Republic of China
- ICS
- 29.140.40
- Classification
- K 70
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- PrefaceIII
- 1 Scope1
- 2 Normative references1
- 3 Terms and Definitions1
- 4 Principle3
- 4.1 Life cycle perspective3
- 4.2 Corresponding method3
- 4.3 Correlation3
- 4.4 Integrity3
- 4.5 Consistency3
- 4.6 Unity3
- 4.7 Accuracy3
- 4.8 Transparency3
- 4.9 Avoiding Double Counting4
- 5 Quantification purpose and process4
- 5.1 Quantification Purpose4
- 5.2 Quantification Process4
- 6 Quantization range4
- 6.1 Functional unit or declaration unit4
- 6.2 System Boundary5
- 7 Data requirements6
- 7.1 Data Collection6
- 7.2 Data distribution7
- 7.3 Data Management8
- 8 Calculation method8
- 8.1 General8
- 8.2 Raw material acquisition stage9
- 8.3 Production Phase9
- 8.4 Use Phase9
- 8.5 The end of life stage1010
- 8.6 Quantification of carbon footprint of lighting product functional units10
- 9 Report10
- Appendix A (Informative) Default Values of Greenhouse Gas Emission Factors and Activity Data1215
- Appendix B (Informative) Lighting Product Carbon Footprint Report (Template)15
- Reference20
Foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1: Structure and drafting rules for standardization documents" Drafting.
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document was proposed by China Light Industry Federation.
This document was prepared by the National Technical Committee on Standardization of Lighting Appliances (SAC/TC224) and the National Technical Committee on Standardization of Carbon Emission Management (SAC/TC548) Jointly managed.
This document was drafted by: China Academy of Building Research Co., Ltd., National Electric Light Source Quality Supervision and Inspection Center (Beijing), China Standards Institute of Chemistry, China Lighting Industry Association, Jianke Environmental Energy Technology Co., Ltd., Beijing Electric Light Source Research Institute Co., Ltd., Shanghai Times Lighting Electrical Appliance Testing Co., Ltd., China Quality Certification Center Co., Ltd., Weikai Testing Technology Co., Ltd., Jiangsu Lighting Appliance Association, Zhejiang Province Lighting Appliance Association, Jinan City Lighting Engineering Co., Ltd., Signify (China) Investment Co., Ltd., CECEP Jinghe Technology Co., Ltd., Changchun Xida Electronic Technology Co., Ltd., OPPLE Lighting Co., Ltd., Shenzhen Unilumin Technology Co., Ltd., Beijing Zhongda Huayuan Certification Co., Ltd.
Certification Center Co., Ltd., Hangzhou Huapu Yongming Optoelectronics Co., Ltd., Ocean King Lighting Technology Co., Ltd., Pujiang Sansi Optoelectronics Technology Ltd.
The main drafters of this document are: Luo Tao, Gao Yachun, Wang Chong, Yang Ming, Wang Zhuo, Bao Linjie, Yang Wei, Zheng Xuesheng, Liu Guorong, Ni Wei, Shen Ru, Ling Yingming, Yang Mingli, Wang Qingping, Huang Yaowei, Lu Yan, Zhao Jun, Hu Jun, Xia Yu, Wang Qiuyu, Quan Yong.
Greenhouse gas product carbon footprint quantification methods and requirements Lighting Products
1 Scope
This document establishes the principles for quantifying the carbon footprint of lighting products, and specifies the purpose and process of quantification, the scope of quantification, data requirements and reporting.
The corresponding calculation method is described.
This document applies to the quantification of greenhouse gas emissions from the carbon footprint and partial carbon footprint of lighting products.
2 Normative references
GB/T 2900.65
GB/T 24044
GB/T 24067
GB/T 32150
3 Terms and definitions
The terms and definitions defined in GB/T 24067, GB/T 24044, GB/T 32150 and GB/T 2900.65 and the following terms and definitions apply to this document.
3.1 Lighting products lighting products
A device or apparatus that converts electrical energy or other energy into light radiation.
Note. Includes light sources, lamps, control gear and other accessories.
3.2 [Source. GB/T 24067-2024, 3.1.1]
The sum of greenhouse gas emissions and greenhouse gas removals in the product system, expressed in carbon dioxide equivalent, based on the climate change Life cycle assessment is conducted for a single environmental impact type.
3.3 [Source. GB/T 24067-2024, 3.1.2]
The relationship between greenhouse gas emissions and greenhouse gas removals at one or more selected stages or processes in the product system life cycle and, expressed in carbon dioxide equivalent.
3.4 Greenhouse gas greenhouse gas; GHG
The natural and human-caused atmospheric layers that absorb and radiate waves generated by the Earth's surface, atmosphere, and clouds.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 24 pages — is available in the English PDF.
Referenced standards
Editions of GB/T 45818
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 45818-2025 | Greenhouse gases - Quantification methodologies and requirements for carbon footprint of product - Lighting products | current edition | Current |
This page sells the current edition, GB/T 45818-2025. Earlier editions are listed for reference only.
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Related Standards
GB/T 24067-2024 — Greenhouse gases - Carbon footprint of products - Requirements and guidelines for quantification
GB/T 2900.65-2023 — Electrotechnical terminology - Lighting
GB/T 32150-2025 — General guidelines for greenhouse gas emission accounting and reporting for industrial enterprises
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