Large-scale island electrification - Hybrid Energy Supply, St. Eustatius, Netherlands Antilles

Large-scale island electrification, St. Eustatius

Hybrid Energy Supply – Netherlands Antilles

Today, solar energy covers 23% of St. Eustatius’ total electricity need. To stabilize the grid, which is influenced by fast power fluctuation related to cloud movement, a Li-Ion storage facility has been integrated to absorb the fluctuations, provide energy shifting and frequency stability functionality also at night.

Thanks to the SMA Fuel Solution about 2,240 tons CO2 per year can be saved. The project has been designed, and implemented by the SMA Sunbelt Energy GmbH.

Dutch Caribbean Island of St. Eustatius


Plant information
Installed PV power: 1.89 MWp
Installed Storage capacity: 1 MW, 570 kWh
Diesel capacity: 4 MVA
Annual energy yield: 3,200 MWh
Annual diesel savings: > 850,000 liters

System Technology
1 SMA Fuel Save Controller
1 Sunny Central Storage preinstalled in 1 MVPS
73 Sunny Tripower 25000TL-30
Direct modbus connection to genset controller

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