Grid-to-Cell Battery Energy Storage System (BESS)
Hitachi Energy delivers end-to-end Battery Energy Storage System (BESS) solutions that seamlessly integrate the grid connection down to the battery cell. This combines our expertise in grid integration, power electronics, automation, digital services, and batteries. Our grid-to-cell approach ensures optimized performance, full grid code compliance, and lifecycle value across the entire BESS stack. Its architecture addresses a wide range of applications, including system strength and stability, renewable integration, dispatchability, resilience, islanding, and critical load support.
BESS Solutions
A unified architecture integrating medium and high-voltage equipment, power conversion, battery systems, plant-level control, and digital services into one coordinated solution.
Support for both grid-following and grid-forming operation enables voltage and frequency control, system strength, islanded operation, and grid restoration across strong and weak grids.
Modular building blocks enable scalable MW and MWh configurations, from local energy hubs to multi-hundred‑MW and multi‑gigawatt utility-scale systems.
Designed for connection at any MV or HV voltage level, with coordinated plant-level control ensuring stable, compliant, and predictable grid interaction.
From early grid studies and system design to digital monitoring, analytics, and long‑term services. Hitachi Energy supports customers throughout the full Battery Energy Storage System (BESS) lifecycle to protect availability, safety, and value.
Segments
- Renewables
- Transmission and Distribution
- Data Centers
- Power Generation
- Islands and Isolated Power Systems
- Commercial and Industrial
Grid-to-Cell Battery Energy Storage System (BESS) for Renewables
Hitachi Energy enables the large‑scale integration of renewable generation through grid‑to‑cell Battery Energy Storage System (BESS) solutions designed to stabilize, optimize, and maximize the value of wind and solar assets. By coordinating grid connection, power conversion, automation, digital services, and battery systems into one coordinated architecture, our solutions address the technical and operational challenges of renewable‑dominated power systems.
Stabilizing renewable‑dominated grids
Advanced grid‑forming and grid‑following controls provide fast frequency response, voltage support, inertia emulation, and system strength to support weak and low‑inertia grids.
Maximizing renewable energy utilization
Energy shifting, ramp‑rate control, and curtailment reduction enable higher renewable penetration while improving asset utilization and project economics.
Scaling through modular design
Modular system building blocks allow solutions to scale from single‑plant installations to multi‑site, portfolio‑level deployments supporting large renewable fleets.
Supporting renewable projects across the lifecycle
From early grid studies and hybrid plant design to commissioning, digital monitoring, analytics, and long‑term services, Hitachi Energy supports renewable developers, IPPs, and utilities throughout the full project lifecycle to ensure compliance, performance, and long‑term reliability.
Customer Sucess Stories
More than 6 GW and 8.5GWh installed or under construction on the five continents, even in extreme conditions.
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