GREENWATT 500kW/645kWh Energy Storage System – Reliable Power for Island Communities
Dec 26, 2025



This energy storage system features a 500kW bi-directional power conversion system (PCS) paired with a 645kWh lithium iron phosphate (LFP) battery bank. Designed specifically for island and off-grid applications, it seamlessly integrates with solar PV to provide stable, clean, and resilient power.
Key benefits:
- Enhanced Grid Stability: Smooths solar intermittency and supports voltage/frequency regulation.
- Backup Power & Black Start Capability: Ensures critical loads stay powered during outages.
- High Efficiency & Long Lifespan: >97% PCS efficiency and LFP chemistry deliver low lifetime costs.
- Remote Monitoring & Smart Control: Cloud-based EMS allows real-time performance tracking and dispatch optimization.
- Robust & Safe: IP54-rated enclosures, thermal management, and compliance with IEC/UL safety standards.
Ideal for islands like Sint Eustatius, this system reduces diesel dependency, lowers electricity costs, and accelerates the transition to renewable energy.