U Series

All-in-One ESS solution for Utility

DELTerra U integrates PCS, batteries, transformers, LV/MV panels, and controllers into two 20-foot containers, delivering 1.25–2.5 MW / 5 MWh capacity per system per system. Its all-in-one design streamlines installation and optimizes land use. With liquid cooling, multi-layer fire protection, and rack-level control, it ensures safety, stability, and high operational efficiency – making it a reliable utility energy storage solution.

Product Introduction

Key Benefits
  • Quick Installation, Efficient Land Use
  • Rack-level Management to Enhance Rack Independence
  • Multi-Level Protection for High Safety
DELTerra U：Empower Low-Carbon Grids

 

Feature Highlights
utility energy storage-DELTerra U-Feature Highlights-Space-Efficient Design

Space-Efficient Design

  • 1.25–2.5 MW / 5 MWh capacity per system
  • Side cable entry and built-in cables, no trenching required
  • Back-to-back deployment, footprint reduction by 40%
utility energy storage-DELTerra U-Feature Highlights-Rack-level Management

Rack-level Management

  • Independent rack control for better performance
  • Single rack shutdown without system impact
  • Auto SOC calibration
utility energy storage-DELTerra U-Feature Highlights-Multi-Layer Fire Protection

Multi-Layer Fire Protection

  • Detection: Smoke, gas, and heat sensors
  • Suppression: Aerosol extinguishers, gas venting
  • Containment: Deflagration panels, sprinklers

 
Application

Ancillary Services

Solar-Plus-Storage

Energy-Intensive Industries

Microgrids

 
System Architecture

Delta-All-in-One-Utility-Energy-Storage-Solution-DELTerra-U-System Architecture

Quick Download

Download Center

Search and download offer documentation, support information, certificates, CAD and software.

Contact Us

Do you have an inquiry but do not know where to turn? Then contact one of our centers by the web inquiry form

We use cookies to provide the best possible user experience for those who visit our website. By using this website you agree to the placement of cookies. For more details consult our data privacy policy

If you decline, your information won’t be tracked when you visit this website. A single cookie will be used in your browser to remember your preference not to be tracked.

Accept Decline