Chinese energy storage manufacturer and BNEF Tier 1 supplier offering C&I and utility-scale BESS. Full-stack self-developed systems including BMS, EMS, and cloud platform.
CATL-ATL joint venture specializing in residential, C&I, and data center energy storage. Uses proprietary Kunlun LFP cells with 15,000-cycle lifespan and pioneered mass-produced semi-solid-state LFP cells with 32 GWh annual production capacity.
#2 global battery manufacturer with vertically integrated BESS from Blade LFP cells to DC and AC block systems. Haohan is the flagship utility-scale DC block up to 14.6 MWh; Chess Plus covers C&I applications.
Chinese Tier 1 LFP cell manufacturer listed on the Hong Kong Stock Exchange. Produces high-capacity LFP cells and containerized BESS for utility-scale energy storage with 100 GWh annual capacity.
World's largest BESS battery manufacturer by shipped capacity. Vertically integrated from LFP cell production to containerized DC block systems. Flagship TENER platform claims zero degradation over first five years.
Chinese state-owned rolling stock and energy group, ranked #3 globally in BESS integration by market share. Offers liquid-cooled containerized energy storage systems.
Canadian-Chinese solar and energy storage company with dedicated e-STORAGE subsidiary. Manufactures own LFP cells and utility-scale SolBank DC block systems.
Subsidiary of Hengxin Auto Group, ranked top 7 globally in ESS battery shipments. LFP cells (100–588Ah) and DC blocks up to 6.26 MWh. Datasheets available.
Tier 1 battery manufacturer operating the world's largest dedicated BESS factory (60 GWh in Jingmen). Produces LFP cells (628Ah 'Mr. Big') and containerized DC block systems with CTP technology. Also developing sodium-ion BESS.
Top 4 global BESS integrator (Wood Mackenzie) and BloombergNEF Tier 1 manufacturer with 30+ GWh deployed across 300+ projects. Gen 8 Scalable Platform features proprietary 750Ah+ LFP cells in modular 10-foot units supporting 6-12+ MWh configurations with 440+ Wh/L energy density.
Sino-British clean energy company ranked 2nd globally for residential energy storage shipments and BloombergNEF Tier 1. Offers hybrid inverters, high-voltage LFP battery systems, and C&I all-in-one storage solutions across 70+ countries.
Chinese lithium mining and battery group with vertically integrated BESS division. Over 21 GWh deployed globally, offering LFP cells and containerized energy storage systems up to 10 MWh.
Chinese battery manufacturer listed on the Shenzhen Stock Exchange (300438) with 8 production bases and capacity exceeding 100 GWh. Produces LFP cells and utility-scale BESS systems.
Chinese energy storage manufacturer and BNEF Tier 1 supplier, ranked among China's top 3 C&I storage providers. Full-stack self-developed systems with 3S integration.
Energy storage division of JinkoSolar and BNEF Tier 1 manufacturer, offering utility-scale and C&I battery energy storage systems built on in-house LFP cell technology. SunTera containers deliver up to 6.25 MWh per 20ft unit with 10,000+ cycle life.
Chinese smart grid and energy storage company listed on the Shanghai Stock Exchange. Offers liquid-cooled battery containers, energy storage cabinets, and integrated EMS platforms.
Swiss-headquartered energy storage company manufacturing LFP-based BESS solutions in Turkey. Product range spans utility-scale DC containers and MV skids to commercial AC cabinets.
Vertically integrated energy storage company manufacturing LFP cells (280Ah to 783Ah solid-state) and containerized BESS up to 8.3 MWh per unit. Over 8 GWh installed globally across 40+ countries with 260+ safety certifications and pioneering solid-state battery technology.
US-based BESS company (Mitsubishi Power and EES joint venture) offering integrated energy storage platforms. Over 6 GWh deployed across 35+ utility-scale projects.
Leading modular LFP battery system manufacturer for C&I and utility-scale BESS. Container-based L-series and PowerCube rack systems are deployed across European and APAC markets.
Chinese energy storage company specializing in modular BESS solutions from 50 kWh to 5+ MWh with intelligent microgrid control systems. Core technology centers on smart microgrid controllers with millisecond-level response, integrated EMS, and cloud-based virtual power plant capabilities.
BloombergNEF Tier 1 energy storage manufacturer that expanded from solar into comprehensive BESS solutions through subsidiary SYL Battery. Offers vertically integrated products spanning LFP cells, modules, PCS, and containerized systems with 15 GWh+ annual production capacity.
French battery manufacturer and TotalEnergies subsidiary specializing in high-reliability BESS for industrial and grid applications. Intensium Max+ is their flagship utility-scale BESS container.
Fast-growing energy storage company founded by former Huawei Smart PV executives, specializing in AI-optimized residential and C&I BESS. SigenStor 5-in-one system integrates solar inverter, EV DC charger, battery PCS, battery pack, and EMS in a single unit.
Chinese publicly listed smart energy company specializing in PV inverters and energy storage systems. Manufactures utility-scale PCS and battery containers (ORI series) as well as commercial and industrial integrated storage solutions.
BloombergNEF Tier 1 energy storage manufacturer with vertically integrated LFP cell production (102Ah to 684Ah) and containerized BESS systems. NoahX 3.0 delivers 6.528 MWh per 20ft container with 15,000+ cycle life and AI-based active balancing.
Chinese cable and energy group offering utility-scale liquid-cooled BESS containers with self-developed integrated PCS. Active in energy storage since 2012.
Chinese BESS manufacturer specializing in PCS, battery packs, BMS, and complete energy storage systems. Top 10 Chinese utility-scale BESS OEM supplier with 100+ large-scale projects installed globally.
DC blok je samostatna jednotka, ktora zdruzuje bateriove moduly, racky, BMS a integrovanú termalnu spravu do celku pripraveného na prevadzku na jednosmernom prude. V BESS utility-scale sa viacero DC blokov pripaja na centralizovany alebo stringovy PCS (system konverzie vykonu), ktory konvertuje jednosmerny prud na striedavy prud kompatibilny so sietou. DC blok je uroven, na ktorej obstaravaci timy hodnotia energeticku kapacitu, zlozitost integracie systemu a dlhodobu degradaciu — a predstavuje najvacsiu polozku CAPEX systemu BESS.
Vacsina DC blokov utility-scale pouziva chemiu LFP v kontajnerovom alebo rozvadzacovom formate s kapacitou 4–9+ MWh. Kvapalinove chladenie je teraz standardom pre projekty s viacerymi megawatthodinami — umoznuje rovnomernejsie teploty clankov a vyssie hustoty vykonu ako vzduchove chladenie.
Klucove specifikacie
Co porovnavat pri hodnoteni DC blokov
Pri predvybere pre projekt BESS su toto klucove technicke specifikacie, ktore EPC spolocnosti, developeri a systemovi integratori zvycajne hodnotia:
Energeticka kapacita na DC blok priamo ovplyvnuje plochu lokality, zlozitost kabelaze a naklady. Vacsie bloky znizuju pocet jednotiek a potrebnych BoP pripojeni.
Chemia
LFP dominantna
LFP je standardna chemia pre DC bloky utility-scale vdaka bezpecnosti a cyklickej zivotnosti. Niektori vyrobcovia ponukaju varianty NMC pre aplikacie, kde je rozhodujuca energeticka hustota.
Celkova ucinnost cyklu
85 – 95 %
Merana na urovni DC bloku (celkova ucinnost cyklu AC zahrnuje aj straty PCS a transformatora). Vyssia ucinnost zlepsuje LCOS a ziskovost arbitraze.
Sposob chladenia
Kvapalinove alebo vzduchove
Kvapalinove chladenie umoznuje vyssie hustoty vykonu a rovnomernejsie teploty clankov. Vzduchove chladenie je jednoduchsie, ale v utility-scale ho nahradza kvapalinove.
DC blok dodava jednosmerny prud a musi byt pripojeny na externy PCS, ktory konvertuje prud na striedavy prud kompatibilny so sietou. AC blok integruje PCS a bateriu do jednej jednotky a dodava priamo striedavy prud. DC bloky ponukaju vacsiu architektonicku flexibilitu a su preferovane pre vacsinu utility-scale projektov, zatial co AC bloky zjednodusuju integraciu a su beznejsie v mensich C&I aplikaciach.
Preco vacsina BESS utility-scale projektov pouziva DC bloky?
DC bloky umoznuju developerom a EPC spolocnostiam nezavisle vyberat dodavatela PCS a vyrobcu baterii a optimalizovat architekturu systemu (centralizovanu vs stringovu) podla poziadaviek kazdeho projektu. Tato modularita zlepsuje vyjednavaci poziciu pri obstaravani, zjednodusuje vymenu v ramci zaruky a umoznuje ekonomickejsie rozsirenie kapacity pocas zivotnosti projektu.
Ake certifikacie by mal mat DC blok?
Dve najcastejsie vyzadovane certifikacie su UL 9540A (skusobna metoda sirenia poziaru na urovni systemu) a IEC 62619 (bezpecnostne poziadavky pre priemyselne litium-ionove baterie). Podla regionu a developera mozu byt vyzadovane dalsie normy, ako UN 38.3 (preprava), IEC 62477 (bezpecnost zariadeni vykonovej elektroniky), stupne ochrany IP a projektovo specificke poziadavky na protipoziarnu ochranu.
Ako kapacita DC bloku ovplyvnuje naklady projektu?
Vacsie DC bloky (napr. 5+ MWh na jednotku) znizuju celkovy pocet jednotiek potrebnych pre projekt, co znizuje kabelaz, BoP a instalaciu. Vacsie jednotky vsak vyzaduju tazsie zdvihacie zariadenia pre prepravu a umiestnenie. Obstaravaci timy musia vyvazit velkost DC bloku s logistikou lokality, poziadavkami na zaklady a strategiou rozsirenia kapacity.
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