GB 47834-2026Minimum allowable values of energy efficiency and energy efficiency grades for crystalline silicon photovoltaic modules and inverters (English PDF)
晶体硅光伏组件和逆变器能效限定值及能效等级
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Issued by
SAMR; SAC
Level / Type
National · Mandatory
Issue date
June 27, 2026
Implementation date
January 1, 2027
Scope
GB 47834-2026 is the English-translated version of 晶体硅光伏组件和逆变器能效限定值及能效等级.
GB 47834-2026 is the Chinese national standard covering the efficiency floor and the efficiency grades for PV modules and inverters — the module conversion efficiency and the inverter's weighted efficiency, with a minimum below which a product may not be sold and grades above it.
A mandatory standard, and a first edition: it applies energy efficiency regulation to the equipment that generates energy rather than consumes it, in the industry where China makes most of the world's supply.
In force from 1 January 2027, with GB 47835-2026 on monocrystalline silicon energy consumption. It was issued on 27 June 2026 and takes effect on 1 January 2027, as a first edition.
The document is under the responsibility of the Standardization Administration of China.
This page is published from the official record of the 2026 edition; the clause text of a standard this recent is not yet in circulation, and the figures, limits and tables it contains are those of the document itself, delivered in full with the English translation.
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Document preview — GB 47834-2026
National Standard of the People's Republic of China
- ICS
- 27.010
- Classification
- F 01
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Abbreviations
- 5 Technical requirements
- 6 Test and calculation methods
- Annex A (normative) Test method for the degradation rate of photovoltaic modules under coupled environmental stresses
- Annex B (normative) Test method for the efficiency of grid-connected photovoltaic inverters
- References
3 Terms and definitions
4 Abbreviations
5 Technical requirements
6 Test and calculation methods
Foreword
This document was issued on 27 June 2026 by the State Administration for Market Regulation and the Standardization Administration of the People's Republic of China, and takes effect on 1 January 2027.
It is the first edition of this standard.
The document is under the responsibility of the Standardization Administration of China.
Classification: ICS 27.010, CCS F 01.
3 Classification and status
GB 47834-2026 is classified under ICS 27.010, in the field of energy and heat transfer engineering. ICS is the International Classification for Standards, the same scheme used by ISO and by the national bodies of most countries, which is what allows a Chinese standard to be placed beside its foreign counterparts on subject rather than on number.
Its Chinese Standard Classification code is CCS F 01. CCS is the domestic scheme, a letter for the sector and two digits for the subject within it, and it is the code by which the standard is filed and searched in China.
The GB prefix without a suffix marks a mandatory national standard: compliance is required by law for the products or activities within its scope, and a product that does not meet it may not lawfully be placed on the Chinese market.
The document is under the responsibility of the Standardization Administration of China, which is the body that maintains it and that will answer a formal question about its interpretation.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 21 pages — is available in the English PDF.
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GB 47834-2026
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