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 samostojna enota, ki združuje baterijske module, regale, BMS in integrirano upravljanje temperature v sklop, pripravljen za obratovanje na enosmerni tok. V BESS utility-scale se več DC blokov poveže na centraliziran ali string PCS (sistem za pretvorbo moči), ki enosmerni tok pretvori v izmenični tok, združljiv z omrežjem. DC blok je raven, na kateri nabavne ekipe ocenjujejo energijsko kapaciteto, kompleksnost integracije sistema in dolgoročno obnašanje degradacije — in predstavlja največji posamezni strošek v CAPEX BESS.
Večina DC blokov utility-scale uporablja kemijo LFP v kontejnerskem ali omaričnem formatu s kapaciteto 4–9+ MWh. Tekočinsko hlajenje je danes standard za projekte več megavatnih ur — omogoča bolj enakomerne temperature celic in višje gostote moči kot zračno hlajenje.
Ključne specifikacije
Kaj primerjati pri ocenjevanju DC blokov
Pri predizbiranju za projekt BESS so to ključne tehnične specifikacije, ki jih podjetja EPC, razvijalci projektov in sistemski integratorji običajno ocenjujejo:
C-rate
0,25C – 1C
C-rate določa največjo moč polnjenja/praznjenja glede na kapaciteto. Višji C-rate (≥ 0,5C) omogoča kopičenje prihodkov; nižji (0,25C) optimizira počasnejše cikliranje in manjšo degradacijo.
Energijska kapaciteta
4 – 9+ MWh
Energijska kapaciteta posameznega DC bloka neposredno vpliva na površino lokacije, kompleksnost kablov in stroške. Večji bloki zmanjšajo število enot in potrebnih BoP priključkov.
Kemija
LFP prevladuje
LFP je standardna kemija za DC bloke utility-scale zaradi varnosti in ciklične življenjske dobe. Nekateri proizvajalci ponujajo variante NMC za aplikacije, kjer je energijska gostota odločilna.
Skupna izkoristkovnost cikla
85 – 95 %
Merjena na ravni DC bloka (skupna izkoristkovnost cikla na AC strani vključuje tudi izgube PCS in transformatorja). Višja izkoristkovnost izboljša LCOS in donosnost arbitraže.
Način hlajenja
Tekočinsko ali zračno
Tekočinsko hlajenje omogoča višje gostote moči in bolj enakomerne temperature celic. Zračno hlajenje je preprostejše, vendar ga v utility-scale nadomešča tekočinsko.
Certifikati
UL 9540A, IEC 62619
UL 9540A ocenjuje obnašanje širjenja požara na ravni sistema. IEC 62619 pokriva varnost baterijskih celic. Regionalne zahteve lahko predpisujejo dodatne standarde.
Pogosta vprašanja
Pogosta vprašanja
Kakšna je razlika med DC blokom in AC blokom?
DC blok oddaja enosmerni tok in mora biti priključen na zunanji PCS, ki tok pretvori v izmenični, združljiv z omrežjem. AC blok združuje PCS in baterijo v eno enoto in neposredno oddaja izmenični tok. DC bloki ponujajo več arhitekturne prilagodljivosti in so prednostni za večino projektov utility-scale, medtem ko AC bloki poenostavijo integracijo in so pogostejši v manjših aplikacijah C&I.
Zakaj večina projektov BESS utility-scale uporablja DC bloke?
DC bloki omogočajo razvijalcem projektov in podjetjem EPC neodvisno izbiro dobavitelja PCS in proizvajalca baterij ter optimizacijo arhitekture sistema (centralizirana ali string), prilagojene zahtevam posameznega projekta. Ta modularnost izboljša pogajalski položaj pri nabavi, poenostavi zamenjavo v primeru garancije in omogoča stroškovno učinkovitejše povečevanje kapacitete skozi življenjsko dobo projekta.
Katere certifikate mora imeti DC blok?
Dva najpogosteje zahtevana certifikata sta UL 9540A (preskusna metoda za širjenje požara na ravni sistema) in IEC 62619 (varnostne zahteve za industrijske litij-ionske baterije). Glede na regijo in razvijalca so lahko potrebni dodatni standardi, kot so UN 38.3 (transport), IEC 62477 (varnost naprav močnostne elektronike), stopnje zaščite IP in projektno specifične zahteve za požarno zaščito.
Kako kapaciteta DC bloka vpliva na stroške projekta?
Večji DC bloki (npr. 5+ MWh na enoto) zmanjšajo skupno število enot, potrebnih za projekt, kar zmanjša kablov, BoP in napor pri namestitvi. Večje enote pa zahtevajo težjo dvižno opremo za transport in postavitev. Nabavne ekipe morajo uravnotežiti velikost DC bloka z logistiko lokacije, zahtevami za temelje in strategijo za povečevanje kapacitete.
To spletišče uporablja analitiko brez piškotkov za razumevanje uporabe. Osebni podatki se ne zbirajo in ne posredujejo tretjim osebam. Pravilnik o zasebnosti
