Chinese solar and energy storage technology company LONGi has been recognised as a BloombergNEF Tier 1 Energy Storage Manufacturer for the eighth consecutive quarter in Q2 2026, reinforcing its position in the global energy storage market.
The BloombergNEF Tier 1 ranking is regarded as one of the energy sector’s most credible benchmarks, with companies evaluated on technology capability, project delivery, bankability and financial stability. The quarterly assessment process reflects market performance and operational execution across the global energy storage industry.
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LONGi said the latest recognition highlights its ability to provide reliable and bankable energy storage solutions for customers across commercial, industrial and utility scale applications.
The company develops integrated energy storage systems designed to support renewable energy integration, grid stability and evolving power sector requirements. Its portfolio includes solutions for commercial and industrial facilities as well as utility scale deployments.
Central to LONGi’s offering is its self developed 5S technology architecture, which integrates PCS, BMS, EMS, iCCS and TMS systems into a unified framework. The company said this enables greater operational control, improved efficiency and enhanced system reliability under varying operating conditions.
Safety remains a key focus for the company, which reported a track record of zero thermal runaway incidents across its deployments. LONGi is also advancing integrated solar plus storage solutions that combine intelligent digital platforms with lifecycle service capabilities aimed at improving long term asset performance.
Alongside its energy storage milestone, LONGi Solar also retained its Group level Gold Medal in the 2026 EcoVadis Corporate Social Responsibility ratings, achieving a score of 85.
The result places the company among the top 2% of more than 150,000 companies assessed globally and within the top 1% in the electrical equipment manufacturing category.
According to EcoVadis analysts, LONGi demonstrated an advanced corporate social responsibility management system covering environmental performance, labour and human rights, business ethics and sustainable procurement.
EcoVadis is recognised as one of the world’s largest corporate sustainability ratings platforms. Its assessment framework is based on international standards including the United Nations Global Compact, International Labour Organization conventions, Global Reporting Initiative standards and ISO 26000 guidelines.
LONGi said sustainability remains central to its long term business strategy, supported by its corporate social responsibility and sustainable procurement management systems. The company added that it will continue integrating sustainable development principles into its global operations while strengthening partnerships that support the energy transition.
Author: Bryan Groenendaal
April 18, 2026
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