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 block adalah produk penyimpanan energi baterai yang terintegrasi penuh, menggabungkan modul baterai, BMS, manajemen termal, dan PCS (sistem konversi daya) dalam satu unit. Berbeda dengan DC block yang memerlukan konverter eksternal, AC block langsung menyuplai arus bolak-balik yang kompatibel dengan jaringan. Untuk tim pengadaan, arsitektur all-in-one ini menyederhanakan integrasi sistem, mengurangi jumlah hubungan dengan pemasok, dan menurunkan kompleksitas BoP.
AC block paling sering digunakan dalam aplikasi C&I dan proyek utility-scale berukuran lebih kecil, di mana kesederhanaan dan commissioning yang cepat menjadi prioritas. Untuk proyek besar, pengadaan terpisah DC block dan PCS menawarkan fleksibilitas arsitektur yang lebih besar dan posisi negosiasi yang lebih baik.
Spesifikasi utama
Hal yang perlu dibandingkan saat mengevaluasi AC block
Saat menyeleksi untuk proyek BESS, berikut adalah spesifikasi teknis utama yang biasanya dievaluasi oleh perusahaan EPC, pengembang, dan integrator sistem:
Laju C
0.25C – 1C
Menentukan daya pengisian/pengosongan maksimum relatif terhadap kapasitas. Sebagian besar AC block dirancang untuk 0.5C, menyeimbangkan kinerja dan masa pakai.
Kapasitas energi
215 kWh – 10 MWh
AC block mencakup rentang yang luas — dari unit C&I (215 kWh) hingga kontainer utility-scale (10 MWh). Ukuran optimal bergantung pada aplikasi dan arsitektur sistem.
Kimia
LFP dominan
LFP adalah kimia standar untuk AC block karena profil keamanan dan masa pakai siklusnya. Beberapa produk C&I menggunakan NMC ketika densitas energi yang lebih tinggi diperlukan.
Efisiensi siklus penuh
85 – 92%
Efisiensi diukur pada sisi AC, termasuk kerugian PCS. Biasanya sedikit lebih rendah dibandingkan sistem DC block + PCS terpisah, karena PCS terintegrasi tidak selalu beroperasi pada titik kerja optimalnya.
Metode pendinginan
Cair atau udara
AC block utility-scale yang lebih besar semakin banyak menggunakan pendinginan cair. Unit C&I yang lebih kecil biasanya menggunakan pendinginan udara.
Sertifikasi
UL 9540A, IEC 62619
Sertifikasi dasar yang sama seperti DC block. Dengan PCS yang terintegrasi, AC block juga harus memenuhi persyaratan koneksi jaringan (peraturan PLN dan Kementerian ESDM) di tingkat sistem.
Pertanyaan yang sering diajukan
Pertanyaan yang sering diajukan
Apa perbedaan antara AC block dan DC block?
AC block mengintegrasikan baterai dan PCS dalam satu unit dan langsung menyuplai arus bolak-balik. DC block hanya berisi baterai, BMS, dan manajemen termal — memerlukan PCS eksternal terpisah untuk koneksi ke jaringan. AC block menyederhanakan integrasi; DC block menawarkan fleksibilitas arsitektur yang lebih besar.
Kapan sebaiknya memilih AC block daripada DC block?
AC block sangat cocok untuk aplikasi C&I, proyek utility-scale berukuran lebih kecil, dan situasi di mana commissioning cepat, kompleksitas pemasok yang lebih rendah, dan BoP minimal lebih penting daripada fleksibilitas arsitektur penuh. Untuk proyek utility-scale besar (50+ MWh), sebagian besar pengembang lebih memilih DC block dengan PCS terpisah untuk mengoptimalkan pengadaan dan desain sistem secara independen.
Sertifikasi apa yang harus dimiliki AC block?
AC block memerlukan sertifikasi dasar yang sama seperti DC block (UL 9540A, IEC 62619) ditambah akreditasi untuk PCS terintegrasi, termasuk kepatuhan kode jaringan (peraturan PLN dan Kementerian ESDM) dan keamanan elektronika daya (IEC 62477). Karena AC block merupakan unit yang terintegrasi penuh, pengujian sistem harus mencakup interaksi semua komponen.
Berapa rentang kapasitas tipikal AC block?
AC block berkisar dari sekitar 215 kWh (unit C&I kompak) hingga lebih dari 10 MWh (produk utility-scale dalam kontainer). Sebagian besar AC block C&I berada di antara 200 kWh dan 1 MWh, sementara varian utility-scale biasanya menawarkan 3–10 MWh per unit. Pilihan bergantung pada ukuran proyek, keterbatasan lokasi, dan arsitektur sistem yang diinginkan.
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