Over Yonder Cay’s Renewable Energy System Overview:

Energy Production

  • Wind Turbines – Three Northern Power Systems 100-21 (100 kW each) | Direct Drive | Full Converter, Variable Speed | Stall Controlled.
  • Solar Field – 720 kW DCSTC (Direct Current Standard Test Conditions) | Direct through 750 kW MPPT to Battery Storage System.
  • Diesel Gensets – Three 3306 Caterpillars (250 kW each).

Energy Storage

  • Battery Storage System – 6 MW Hours | Approximately 2 Days of Autonomy under typical island loads.
  • Water Cisterns – 500,000 total gallons of storage.

Energy Management & Distribution

  • Parallel Bidirectional Multiport Inverters – Two 300 kVA Parallel Units.
  • Distribution – 13.2 kVA Distribution Loop | 480 VAC Transformers.

Controls & Monitoring

  • Microgrid Controller – 2U Rackmount, Intelligent Microgrid Controller.
  • Island-wide SCADA System – Supervisory Control and Data Acquisition System with remote monitoring, controls, data archiving and simulation capabilities.

Other

  • Island Weather Station (Website Link) – Davis Vantage Pro2 Plus Wireless (Weather Station ID: ITHEBAHA3): Linked to weather-forecasting island micro grid controller.