We respect your privacy. Please consent to all cookies when you visit our website. Refer to our "Privacy Policy" for more information on how we handle personal data.

Language
Contact Us
banner.jpg

Utility-Scale BESS
Solutions

Large-Scale Standalone/Shared Energy Storage Solutions

Overview

GridUltra Liquid-Cooled Energy Storage System + EnergyHub EMS + PCS, designed for standalone/shared energy storage, peak shaving and frequency regulation, capacity support, and emergency backup. The system features millisecond-level response and cluster control capabilities, enabling precise execution of grid dispatch instructions while improving asset returns through spot electricity market arbitrage, frequency regulation ancillary services, and capacity compensation.

001.jpg

Key Benefits

High power density with 587/314Ah cells, 8,000+ cycle life, and 15-year design lifespan. EnergyHub EMS enables GW-level cluster control for precise peak shaving and frequency regulation. Supports standalone and shared storage models, with EnergyCloud providing remote monitoring and revenue analysis to maximize asset returns.

Core Business Value

  • 01

    High Power Density and Long Lifespan: Based on the GridUltra series, the system utilizes 587/314Ah high-capacity battery cells with a cycle life exceeding 8,000 cycles and a 15-year design lifespan, meeting the high-frequency charge/discharge demands of grid-side applications.

  • 02

    Powerful Ancillary Service Support: EnergyHub EMS features a robust distributed application architecture (supporting dual-machine hot standby), enabling gigawatt-level (GW-level) power plant cluster control and precise execution of peak shaving and frequency regulation dispatch instructions.

  • 03

    Flexible Business Models: Supports both standalone and shared energy storage models. EnergyCloud enables remote monitoring and revenue analysis to maximize asset utilization.

BESS System Architecture

c_img18.png

Related Products

Learn More

Case Related

Learn More

FAQ

Have questions about RelyEZ? Here are some of the most common queries to help you.

Can’t find the answer you’re looking for?

Contact us for more questions.

  • Yes. Our BESS solution is designed with a modular architecture, which supports future capacity expansion and flexible adaptation to different application scenarios.

    The system can be widely applied in:
    Grid-side energy storage
    Renewable energy integration
    Peak shaving and load shifting
    Microgrid applications
    Industrial & commercial energy management

    In addition, the EMS platform supports multi-unit coordination, power distribution management, and cross-platform integration, making future expansion and project scaling more convenient and cost-effective.

  • RelyEZ has established a dedicated technical support office in Budapest, Hungary, to provide localized service and rapid response for European customers.

    We provide:
    7×24 remote technical support
    Local technical engineer coordination
    Online EMS monitoring and diagnostics
    Spare parts and troubleshooting support
    Fast response mechanism during system operation

    Our EMS platform also supports real-time monitoring, alarm management, and intelligent diagnostics to ensure stable and reliable system operation

  • Yes. RelyEZ has already deployed multiple energy storage projects in Europe, especially in Hungary and Poland.
    One representative project is the 110 MWh standalone BESS project in Oroszlány, Hungary, which supports grid stability and renewable energy integration. The project adopts our GridUltra5016 liquid-cooled battery system, PCS & transformer integrated solution, and EMS platform.
    In addition, we are continuously expanding our project footprint across the European market.

Explore More

download.jpg

Create Tier-1 BESS Assets

France Inquiries： michelle@relyez.com
relyez@relyez.com
Contact Us