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.
#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 state-owned rolling stock and energy group, ranked #3 globally in BESS integration by market share. Offers liquid-cooled containerized energy storage systems.
Product-focused BESS manufacturer specializing in integrated AC block solutions for C&I and utility-scale markets. FlexCombo delivers integrated BMS, PCS, and fire protection in a standardized cabinet with grid-forming capability.
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.
Independent BESS integrator (Siemens + AES JV, now public). Gridstack platform offers modular AC block systems with AI-optimized dispatch through the Fluence IQ software layer.
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.
GE's energy transition spinout offering Reservoir BESS and PowerStore grid-forming battery systems. Targets large utility and grid stability applications with advanced inverter-based resources.
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.
South Korean heavy industries conglomerate and BESS system integrator offering PCS and complete energy storage systems. Over 3 GWh delivered since 2009.
Chinese C&I energy storage specialist and BNEF Tier 1 manufacturer. China's #1 user-side energy storage integrator with over 1,000 projects and 20,000 eBlock units deployed.
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.
Finnish power electronics company designing and manufacturing grid-forming BESS and STATCOM solutions. Arctic-grade systems operating down to -40 °C with 95-98% efficiency.
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.
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.
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.
Global energy management company offering a containerized AC-coupled BESS for commercial and industrial microgrids in the North American market, integrated with EcoStruxure controls.
Global energy technology company providing SINACON BESS systems from PCS to full AC block and SCADA. Targets utility-scale grid stability applications with turnkey solutions.
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.
World's largest utility-scale BESS supplier by installed capacity. Megapack 2 XL delivers up to 3.9 MWh per unit using Tesla LFP cells, with integrated BMS, PCS, and thermal management.
Volvo Group's energy storage division offering modular BESS for C&I applications, EV charging infrastructure, and grid support. Second-life battery capable.
Finnish power technology company offering GridSolv Quantum BESS and GEMS energy management software. Specializes in hybrid power plants combining BESS with thermal and renewable generation.
Shanghai-based energy storage company and BNEF Tier 1 manufacturer with 14 GWh manufacturing capacity. Offers modular BESS solutions for C&I and utility-scale applications.
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.
AC blok je plne integrovany produkt na bateriove ukladanie energie, ktory zdruzuje bateriove moduly, BMS, termalnu spravu a PCS (system konverzie vykonu) do jednej jednotky. Na rozdiel od DC blokov, ktore vyzaduju externy menic, AC blok dodava priamo striedavy prud kompatibilny so sietou. Pre obstaravaci timy tato architektura vsetko-v-jednom zjednodusuje integraciu systemu, znizuje pocet dodavatelskych vztahov a znizuje zlozitost BoP.
AC bloky sa najcastejsie pouzivaju v C&I aplikaciach a mensich utility-scale projektoch, kde su prioritami jednoduchost a rychle uvedenie do prevadzky. Pre velke projekty ponuka samostatne obstaravanie DC blokov a PCS vacsiu architektonicku flexibilitu a lepsie vyjednavaci pozicie.
Klucove specifikacie
Co porovnavat pri hodnoteni AC blokov
Pri predvybere pre projekt BESS su toto klucove technicke specifikacie, ktore EPC spolocnosti, developeri a systemovi integratori zvycajne hodnotia:
C-rate
0,25C – 1C
Urcuje maximalny nabiJaci/vybiJaci vykon vzhladom na kapacitu. Vacsina AC blokov je navrhnuta na 0,5C, co vyvazuje vykon a zivotnost.
Energeticka kapacita
215 kWh – 10 MWh
AC bloky pokryvaju siroky rozsah — od C&I jednotiek (215 kWh) po utility-scale kontajnery (10 MWh). Optimalna velkost zavisi od aplikacie a architektury systemu.
Chemia
LFP dominantna
LFP je standardna chemia pre AC bloky vdaka bezpecnostnemu profilu a cyklickej zivotnosti. Niektore C&I produkty pouzivaju NMC, ked sa vyzaduje vyssia energeticka hustota.
Celkova ucinnost cyklu
85 – 92 %
Ucinnost merana na strane AC vratane strat PCS. Typicky mierne nizsia ako pri systemoch DC blok + PCS samostatne, kedze integrovany PCS nie vzdy pracuje v optimalnom pracovnom bode.
Sposob chladenia
Kvapalinove alebo vzduchove
Vacsie utility-scale AC bloky craz viac pouzivaju kvapalinove chladenie. Mensie C&I jednotky zvycajne pouzivaju vzduchove chladenie.
Certifikacie
UL 9540A, IEC 62619
Rovnake zakladne certifikacie ako DC bloky. Kedze ma AC blok integrovany PCS, musi navyse splnat poziadavky na pripojenie k sieti (napr. sieťovy kodex SEPS) na urovni systemu.
Caste otazky
Caste otazky
Aky je rozdiel medzi AC blokom a DC blokom?
AC blok integruje bateriu a PCS do jednej jednotky a dodava priamo striedavy prud. DC blok obsahuje len bateriu, BMS a termalnu spravu — vyzaduje samostatny externy PCS na pripojenie k sieti. AC bloky zjednodusuju integraciu; DC bloky ponukaju vacsiu architektonicku flexibilitu.
Kedy zvolit AC blok namiesto DC bloku?
AC bloky su obzvlast vhodne pre C&I aplikacie, mensie utility-scale projekty a situacie, kde su rychle uvedenie do prevadzky, nizsia zlozitost dodavatelov a minimalne BoP dolezitejsie ako plna architektonicka flexibilita. Pre velke utility-scale projekty (50+ MWh) vacsina developerov uprednostnuje DC bloky so samostatnym PCS na nezavisle optimalizovanie obstaravania a navrhu systemu.
Ake certifikacie by mal mat AC blok?
AC bloky potrebuju rovnake zakladne certifikacie ako DC bloky (UL 9540A, IEC 62619) plus dalsie akreditacie pre integrovany PCS, vratane suladnosti so sieťovymi kodexmi (prevadzkovy poriadok SEPS) a bezpecnosti vykonovej elektroniky (IEC 62477). Kedze AC blok je plne integrovana jednotka, systemove skusky musia pokryt interakciu vsetkych komponentov.
Aky je typicky rozsah kapacity AC blokov?
AC bloky sa pohybuju od priblizne 215 kWh (kompaktne C&I jednotky) po viac ako 10 MWh (utility-scale kontajnerove produkty). Vacsina C&I AC blokov sa pohybuje medzi 200 kWh a 1 MWh, zatial co utility-scale varianty typicky ponukaju 3–10 MWh na jednotku. Volba zavisi od velkosti projektu, obmedzeni lokality a pozadovanej architektury systemu.
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