Grid-Side Energy Storage

Managing peak demand, storing clean energy, and enhancing grid stability for a secure energy future.

Industry Overview

Grid-Side Energy Storage Solutions: Reliability, Flexibility, Value

Modern commercial & industrial energy storage, leveraging integrated battery systems and intelligent controls, delivers decisive advantages for cost management and operational resilience. It reduces peak demand charges, maximizes self-consumption of solar power, and provides backup power during outages. This transforms storage into a strategic business asset that enhances energy independence, strengthens sustainability, and delivers a rapid return on investment.

Grid Challenges

Grid Volatility from High Renewable Penetration

The intermittency of large-scale wind and solar power destabilizes real-time grid balancing. This creates an urgent need for flexible, fast-responding resources to smooth power fluctuations and maintain system stability.

Widening Peak-to-Valley Load Gap

Growing differences between peak and off-peak electricity demand strain traditional grid infrastructure. Economic and efficient solutions are required to shift energy and manage peak loads without costly network upgrades.

Lack of Grid Flexibility and Stability Support

The retirement of conventional power plants reduces system inertia and frequency regulation capabilities. The grid urgently needs new assets that can actively provide essential ancillary services to ensure reliable operation.

Our Solution

Grid-Side BESS

This integrated solution connects seamlessly with grid infrastructure through SCADA and EMS control. It provides rapid load shifting by absorbing energy during low demand and releasing it during peaks, flattening the consumption curve. The system also enables combined peak shaving with hydro power, delivers AGC/AVC response within 200-300ms, and supports black-start capability — turning battery storage into a flexible, multi-service asset for grid stability and economic efficiency.

Instant Grid Stabilization

Our lithium-ion battery systems, integrated with high-precision BMS and advanced PCS control algorithms, deliver millisecond-fast power response. By continuously monitoring grid frequency, the system acts like an intelligent “grid sponge,” instantly releasing power during dips and absorbing it during surges. This provides critical instantaneous inertial support for grids with high renewable penetration, ensuring stability second-by-second.

Intelligent Energy Time-Shifting for Grid Optimization

Our grid-side energy storage systems provide essential capacity and energy flexibility. By accurately forecasting renewable generation and grid demand patterns, our advanced energy management system strategically schedules charging during periods of surplus clean energy and discharging during peak demand hours. This intelligent time-shifting capability transforms intermittent renewable power into dispatchable capacity, effectively flattening the grid’s load curve, reducing reliance on fossil-fueled peaking plants, and supporting the deferral of transmission infrastructure investments.

Proactive Grid Foundation

Our advanced energy storage systems master dual operational modes. Beyond the standard grid-following mode for daily regulation, they employ pioneering Grid-Forming Inverter technology. This allows them to actively create stable voltage and frequency references, providing virtual inertia and stiff grid support like traditional generators. This capability is crucial for enhancing system strength, enabling higher renewable penetration, and serving as a reliable “power anchor” in weak grid areas or during major disturbances.

Value Contained

For Peak Shaving & Load Shifting

Shaves peak demand and stores off-peak energy to flatten the load curve and optimize grid efficiency.

For Frequency & Voltage Regulation

Provides millisecond-frequency and voltage support to maintain grid stability amidst fluctuations.

For Black Start Capability

Acts as a reliable black-start power source to restore grid operations rapidly after a total outage.

Successful Cases

Mongolia Energy Storage Station

This 80MW/200MWh grid-side energy storage project was constructed for the Mongolian Ministry of Energy and completed in Ulaanbaatar in November 2023. It represents a key infrastructure investment aimed at enhancing grid stability and facilitating renewable energy integration across Mongolia.

Germany Energy Storage Station

This 4MW/24MWh grid-side energy storage project is currently under construction in Hannover, Germany for Deutsche Telekom. The system represents a strategic application of battery storage to enhance local grid reliability and operational efficiency.

Rudong Fengchu Shared Energy Storage Station Ⅰ

This large-scale, grid-side energy storage station in Rudong county was fully commissioned and connected to the grid in November 2023. With a capacity of 200MW/400MWh, it provides critical grid services including peak shaving, frequency regulation, and voltage support, enhancing overall power system flexibility and reliability.

Grid-Side Energy Storage

Industry Overview