On Grid - SUNSYS HES L | Socomec
Outdoor Energy Storage System
On Grid SUNSYS HES L — from 50kVA/186kWh to 300kVA/1116kWh systems
An all in one range of outdoor Energy Storage Systems available in a variety of sizes and features for on grid and off grid applications.



  • Safety certified
  • Fast and safe installation
  • Intelligent EMS
  • Top quality components


  • Safety : UL 9540 2020; UL 9540A
  • EMC: FCC part 15 Level A
  • Environment: RoHS; REACH
  • Communication protocol: Modbus TCP SunSpec 2.0
  • Grid code: UL1741 SA/SB; IEEE 1547 2018; IEEE 1547.1 2020; CA Rule 21; UL 1741 CRD. Please consult us for additional ones.


“Powered by Socomec, Energized by CATL”
The system is co developed by both teams, working together to ensure that Batteries and Converters work together as one Energy Storage System The Socomec C Cab control and supports the CATL Battery Cabinets, and provides one point of connection for higher level control software Modular power conversion enables maximum AC/AC system

WARNING: This product can expose you to chemicals including Carbon black (airborne, unbound particles of respirable size), Styrene and bisphenol A (BPA), which are known to the State of California to cause cancer and birth defects or reproductive harm. For more information go to : www.P65Warnings.ca.gov


  • Commercial and industrial buildings
  • EV charging infrastructures
  • Isolated microgrids
  • Resilient microgrids
  • Renewable energy integration: Solar + Storage
Many system configurations are available, please contact us