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 samostalna jedinica koja grupiše baterijske module, rekove, BMS i integrisano upravljanje temperaturom u celinu spremnu za rad na jednosmernoj struji. U utility-scale BESS sistemima, više DC blokova se povezuje na centralizovani ili string PCS (sistem za konverziju snage) koji pretvara jednosmernu struju u naizmeničnu struju kompatibilnu sa mrežom. DC blok je nivo na kojem timovi za nabavku evaluiraju energetski kapacitet, složenost integracije sistema i dugoročno ponašanje degradacije — i predstavlja najveću pojedinačnu stavku CAPEX-a BESS sistema.
Većina utility-scale DC blokova koristi LFP hemiju u kontejnerskom ili ormanskom formatu sa 4–9+ MWh kapaciteta. Tečno hlađenje je sada standard za projekte od više megavat-sati — omogućava ujednačenije temperature ćelija i veće gustine snage u poređenju sa vazdušnim hlađenjem.
Ključne specifikacije
Šta porediti prilikom evaluacije DC blokova
Prilikom predselekcije za BESS projekat, ovo su ključne tehničke specifikacije koje EPC kompanije, razvijači projekata i integratori sistema obično evaluiraju:
C-rate
0,25C – 1C
C-rate određuje maksimalnu snagu punjenja/pražnjenja u odnosu na kapacitet. Viši C-rate (≥ 0,5C) omogućava kombinovanje prihoda; niži (0,25C) optimizuje sporije cikluse i manju degradaciju.
Energetski kapacitet
4 – 9+ MWh
Energetski kapacitet po DC bloku direktno utiče na površinu lokacije, složenost kabliranja i troškove. Veći blokovi smanjuju broj jedinica i BoP priključaka.
Hemija
LFP dominantna
LFP je standardna hemija za utility-scale DC blokove zbog bezbednosti i veka ciklusa. Neki proizvođači nude NMC varijante za primene gde je gustina energije presudna.
Ukupna efikasnost ciklusa
85 – 95 %
Mereno na nivou DC bloka (AC ukupna efikasnost ciklusa uključuje i gubitke PCS-a i transformatora). Veća efikasnost poboljšava LCOS i profitabilnost arbitraže.
Metod hlađenja
Tečno ili vazdušno
Tečno hlađenje omogućava veće gustine snage i ujednačenije temperature ćelija. Vazdušno hlađenje je jednostavnije, ali ga u utility-scale zamenjuje tečno.
Sertifikati
UL 9540A, IEC 62619
UL 9540A evaluira ponašanje širenja požara na nivou sistema. IEC 62619 pokriva bezbednost baterijskih ćelija. Regionalni zahtevi mogu podrazumevati dodatne standarde.
Često postavljana pitanja
Često postavljana pitanja
Koja je razlika između DC bloka i AC bloka?
DC blok isporučuje jednosmernu struju i mora biti povezan na eksterni PCS koji pretvara struju u naizmeničnu, kompatibilnu sa mrežom. AC blok integriše PCS i bateriju u jednu celinu i direktno isporučuje naizmeničnu struju. DC blokovi nude veću arhitekturnu fleksibilnost i preferiraju se za većinu utility-scale projekata, dok AC blokovi pojednostavljuju integraciju i češći su u manjim C&I primenama.
Zašto većina utility-scale BESS projekata koristi DC blokove?
DC blokovi omogućavaju razvijačima projekata i EPC kompanijama da nezavisno biraju dobavljača PCS-a i proizvođača baterija, i optimizuju arhitekturu sistema (centralizovana vs string) prilagođenu zahtevima svakog projekta. Ova modularnost poboljšava pregovaračku poziciju u nabavci, pojednostavljuje zamenu u slučaju garantnog zahteva i omogućava ekonomičnije proširenje kapaciteta tokom životnog veka projekta.
Koje sertifikate treba da ima DC blok?
Dva najčešće zahtevana sertifikata su UL 9540A (metoda ispitivanja širenja požara na nivou sistema) i IEC 62619 (bezbednosni zahtevi za industrijske litijum-jonske baterije). U zavisnosti od regiona i investitora, mogu se zahtevati dodatni standardi, kao što su UN 38.3 (transport), IEC 62477 (bezbednost opreme energetske elektronike), IP stepen zaštite i specifični zahtevi protivpožarne zaštite za projekat.
Kako kapacitet DC bloka utiče na troškove projekta?
Veći DC blokovi (npr. 5+ MWh po jedinici) smanjuju ukupan broj jedinica potrebnih za projekat, čime se smanjuje kabliranje, BoP i napor pri instalaciji. Međutim, veće jedinice zahtevaju teža dizalička sredstva za transport i postavljanje. Timovi za nabavku treba da uravnoteže veličinu DC bloka sa logistikom lokacije, zahtevima za temelje i strategijom proširenja kapaciteta.
