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The BESS Equipment Intelligence the Industry Never Had.

Bankability. Datasheets. Financials. ESG & Independent Analysis.

76 Manufacturers
169 Datasheets
218 Reports
30 Deep-Dives
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Who is this for

Built for the Teams Evaluating BESS Suppliers

EPC Contractors

Compare specifications and source equipment across multiple manufacturers for project bids.

Developers

Due diligence on manufacturer financials, credit ratings, and bankability before committing to a supplier.

Asset Owners

Monitor supplier financial health, ESG performance, and long-term viability across your portfolio.

Procurement Teams

Access datasheets, annual reports, and ESG filings in one place — without sales calls or NDAs.

Manufacturer Directory

76 manufacturers across battery cells, DC blocks, PCS, AC blocks, and plant controls.

EVE Energy Featured

Tier 1 cell maker running the world's largest dedicated BESS factory at 60 GWh in Jingmen. LFP cells including the 628Ah Mr Big, plus DC block containers.

Battery Cell DC Block
HQ: Huizhou, China
ESS Shipments: 71 GWh
Revenue: RMB 61.5B (~US$8.7B)
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Independent Analysis

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Primary-source deep-dives from annual reports, ESG filings, and manufacturer datasheets.

Briefing
EU Funding Ban on Chinese PCS: What It Means for BESS Procurement
The European Commission has blocked EU funding for energy projects using PCS from China and other high-risk countries. Full breakdown of scope, timeline, and European alternatives.
15 min read · May 2026
 Financials
Tesla Energy 2025 Annual Results: 46.7 GWh Deployed, 29.8% Segment Gross Margin
46.7 GWh deployed, $12.77 billion in energy segment revenue, $10.42 billion in unsatisfied performance obligations, and Megapack 3 introduced — inside Tesla's FY2025 10-K.
8 min read · Aug 2026
 Sustainability
HyperStrong 2025 Sustainability Report: 8,607 tCO2e, No Scope 3, and a 2030 EU Carbon Deadline
China's largest BESS integrator by cumulative installed capacity (China Electricity Council ranking, as of end-2025) publishes its first sustainability report — 50 GWh deployed, 1,418 employees, an EU Battery Regulation task force, and no carbon-neutrality target.
20 min read · Aug 2026
 Financials
HyperStrong 2025 Annual Results: RMB 11.6 Billion Revenue, Net Profit Up 46.83%, Operating Cash Flow Down 40.19%
Revenue of RMB 11.61 billion (+40.42%), attributable net profit of RMB 951 million (+46.83%), and a 40.19% fall in operating cash flow — what HyperStrong's 2025 annual report summary does and does not disclose about its storage business.
8 min read · Aug 2026
 Financials
Sungrow 2025 Annual Results: 43 GWh Storage Shipped, RMB 37.3 Billion ESS Revenue (+49%)
43 GWh of energy storage shipped, RMB 37.3 billion in ESS revenue up 49%, and overseas sales past 60% — inside Sungrow's 2025 annual report.
8 min read · Jul 2026
 Financials
Sineng Electric 2025 Annual Results: RMB 2.04 Billion Storage PCS Revenue, #5 Globally
Storage PCS and system-integration revenue of RMB 2.04 billion (+5.64%), 23.28% gross margin, and a top-two China PCS ranking for five straight years — inside Sineng Electric's 2025 annual report.
7 min read · Jul 2026
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FAQ

Frequently Asked Questions

What is BESS Manufacturers?
BESS Manufacturers is an independent directory of battery energy storage system (BESS) equipment suppliers. Each profile brings together technical datasheets, product specifications, certifications, financial data, and ESG filings so procurement teams, developers, and engineers can compare suppliers in one place.
Which manufacturers and equipment categories does the directory cover?
The directory spans five equipment categories — battery cells, DC blocks, PCS (power conversion systems), AC blocks, and plant controls — with detailed profiles for manufacturers across each. You can browse the full list or filter by category in the directory. Browse the directory →
Is the data free to access?
Yes. Every manufacturer profile, datasheet, financial summary, and analysis article is free to browse — no account, sales calls, or NDAs required.
Where does the manufacturer data come from?
Each profile is compiled from primary sources: manufacturers' own datasheets and websites, published annual reports, stock-exchange filings, and ESG disclosures. We link to the original documents wherever possible so you can verify the source.
How can I compare BESS suppliers and assess bankability?
Bankability comes down to financial strength, track record, and long-term viability. Each profile presents revenue, market capitalization, credit ratings, and shipment volumes alongside certifications and ESG data, so you can weigh supplier risk before committing to a project.
Can I request that a manufacturer be added?
Yes. If a BESS equipment manufacturer is missing from the directory, you can submit it for review and we will add qualifying suppliers as new data becomes available. Submit a manufacturer →

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