Jinko ESS Laboratory Earned Witnessed Status
The China Quality Certification Centre has granted WMT status to the Jinko ESS testing facility for energy storage.
Updated on Oct. 6, 2026 in Energy
Live Poll
Is the reliability of renewable energy options improving in your local area?
The China Quality Certification Centre authorized the Jinko ESS Testing Center as a WMT witnessed laboratory. This new status allows the company to collaborate directly with certification bodies to streamline testing pathways for domestic and international markets.
Why it matters
Obtaining this status accelerates the certification cycle for battery energy storage systems, helping to bring new storage technology to global markets faster. This enhances Jinko ESS's capacity to support large-scale infrastructure projects, such as their current 220 MWh battery portfolio in Germany.
The 7,000-square-meter facility utilizes over 500 high-precision instruments to conduct safety and performance testing. The Jinko Tera storage system features a 94.1 percent round-trip conversion efficiency and a 20-year design life.
The players
Jinko ESS
This company is a prominent manufacturer of battery energy storage systems and related photovoltaic hardware.
China Quality Certification Centre
This national-level certification body in China oversees the verification and quality standards for technical facilities.
The details
The WMT model enables direct integration between the Jinko ESS Testing Center and major certification bodies, supporting electrical and environmental safety testing for BESS and PCS components. This capability currently supports the development of a 220 MWh hybrid energy portfolio in Germany that pairs battery storage with photovoltaic generation.
Timeline
The Jinko Tera system provides grid-forming capability over 10 seconds.
The Jinko Tera storage system has a 20-year design life.
The Big Picture
The laboratory status expansion follows a global pattern of creating dedicated testing centers to meet the rigorous performance requirements established by the National Renewable Energy Laboratory's grid-integration testing standards.
This accreditation accelerates the arrival of high-efficiency energy storage systems to the market, which can lead to more stable renewable energy integration for the power grid. Consumers may eventually see improved reliability and reduced costs for grid-scale energy projects as certification times decrease.
The takeaway
Achieving witnessed laboratory status represents a strategic leap in how quickly energy hardware can be certified for international deployment. This shift ensures that high-capacity battery systems can be verified and installed more efficiently to meet rising global renewable energy demands.
Further reading
Learn more about the latest innovations in Energy to understand how storage testing impacts the global power grid.
Live Poll
Is the reliability of renewable energy options improving in your local area?
