LONGi

Tier-1Listed Company

longi.comUpdated Sep 26, 2026

Tier-1Listed CompanyUpdated Sep 26, 2026
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Annual production capacity

2-20GWh/yr

Bankability influence

Neutral

How the supplier's financials affect its products' bankability

Company Size

Major

10000+ headcount

Vertical integration

Medium

In-house production of key components

Company Overview

Founded in 2000 and based in Xi’an, China, LONGi has grown from a solar PV specialist into a solar and storage provider, with 13 GWh of delivered projects across more than 120 countries. Its BESS platform uses iCCS, BMS, PCS, TMS, and EMS for commercial, industrial, and utility-scale uses, and LONGi says BloombergNEF named it a Tier 1 global energy storage maker for nine straight periods.

Headquarters

China

Legal entity

LONGi Green Energy Technology Co., Ltd.

IPP / offtaker customers

RWE, Enexus

Integration footprint

United States

Adjacent product lines

hydrogen, solar PV

Major Shipment Regions
North AmericaLatin AmericaEuropeCentral Asia & CISMiddle East & North AfricaSub-Saharan AfricaSouth AsiaEast AsiaSoutheast AsiaOceania
Moderate Minor
Europe Moderate
East Asia Moderate
Southeast Asia Moderate
North America Minor
Latin America Not present
Central Asia & CIS Not present
Middle East & North Africa Not present
Sub-Saharan Africa Not present
South Asia Not present
Oceania Not present

Moderate presence in Europe, East Asia, and Southeast Asia; Minor presence in North America; no recorded presence in Latin America, Central Asia & CIS, Middle East & North Africa, Sub-Saharan Africa, South Asia, and Oceania.

Cell & System Architecture

Cell chemistry

Lithium-ion

Cell format

Prismatic

Named chemistries

LFP

Block architecture

AC BlockDC Block

Application segments

Grid-ScaleIndustrial & Commercial

Battery Management System

LONGi’s BMS provides three-level monitoring and protection at the cell and system levels. Its iCCS tracks cell voltage, temperature, gas formation, valve openings, electrolyte leaks, and internal resistance to detect abnormal conditions early.

Certifications

Management Systems (ISO)

ISO 9001ISO 14001ISO 45001ISO 27001ISO 50001ISO 37301ISO 27701

Product & Safety Standards

IEC 61000IEC 62619IEC 62933IEC 63056IEC 62477IEC 62443G99UL9540ANFPA68/69UN 38.3UN 3536IEC/UL 60730EN/IEC 62477IEC 62040EN/IEC 61000UN 3480

ESG & Sustainability

LONGi holds EcoVadis Gold, an MSCI ESG rating of A, and an S&P Global CSA score that ranks it ahead of 96% of industry peers. It also has an SBTi-approved target to cut absolute Scope 1 and 2 emissions 60% from 2020 levels by 2030, reported a 37% cut in 2024, and cites supply chain audits, traceability controls, waste recycling, and product circularity measures.

Market Price Estimate

Financial Health

Bankability influenceNeutral

Derived from the five sub-metrics below: 2 moderate · 2 suboptimal · 1 healthy.

Balance-sheet strengthModerate
ProfitabilitySuboptimal
LeverageSuboptimal
LiquidityHealthy
Cash-flow riskModerate

Corporate & Listing

Exchange listing601012.SS

Reference Project

ProjectMontalto Battery Energy Storage System (BESS) project ; Montalto di Castro, Viterbo, Lazio, Italy
Coordinates42.49295° N, 11.94881° E

Recent Developments

LONGi won a 300 MWh order from RWE to supply LONGiBank 6.25 MWh lithium iron phosphate BESS for a four-hour solar-plus-storage project in Italy, one of its first major European storage orders after it acquired PotisEdge.

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LONGi Storage Products

6
CompareLogoVendorSystemEnergyPowerDurationBattery CellOpen

Industrial & Commercial ESS Solutions 3

LONGi
Hi-MO One Pro-DCDC Block · cabinet
0.26MWh—2–24hflexLFP314 Ah · Prismatic
LONGi
Hi-MO One Pro-ACAC Block · cabinet
0.26MWh0.13MWAC2–24hflexLFP314 Ah · Prismatic
LONGi
Hi-MO One Pro-AC (PCSx2)AC Block · cabinet
0.26MWh0.25MWAC2–24hflexLFP314 Ah · Prismatic

Grid-Scale BESS 3

LONGi6.25MWh3.44MWAC—0.5CLFP
LONGi6.25MWh6.88MWAC—0.5CLFP
LONGi
OneBank 3.0AC Block · 20 ft container
6.25MWh1.72MWAC—0.25CLFP

Compare to Other Vendors

All vendors
VendorTierHQCapacityCompare
LONGiTier-1China2-20 GWhThis vendor
BYD Energy StorageTier-1Shenzhen, China20+ GWh
CATLTier-1Ningde, China20+ GWh
CLOUTier-1Shenzhen, China0.2-1 GWh
CRRC Zhuzhou InstituteTier-1Zhuzhou, China20+ GWh

How to Read the Vendor Page

This profile of LONGi is assembled exclusively from public data to support early-stage screening and requires additional due diligence.

Always confirm these terms and technical specifications directly with the vendor and project stakeholders. Reflect all agreed-upon details in the legal agreements before making any investment decisions.

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