Quick Answer
A small wind turbine can be a reliable and efficient energy source in remote locations, but it's essential to consider factors such as wind speed, turbine size, and electrical storage. With proper planning and installation, a small wind turbine can provide a significant portion of a remote home's energy needs.
Choosing the Right Wind Turbine Size
When selecting a small wind turbine for a remote location, consider the average wind speed and turbine size. A turbine with a diameter of 2-4 meters (6-12 feet) is suitable for areas with wind speeds ranging from 5-10 meters per second (11-22 mph). For example, the Bergey Excel 10, a popular small wind turbine, has a diameter of 2.5 meters (8.2 feet) and is designed for wind speeds up to 12 meters per second (27 mph).
Wind Speed Requirements
To ensure a small wind turbine operates efficiently, it’s crucial to choose a location with sufficient wind speed. A minimum wind speed of 4 meters per second (9 mph) is recommended for small turbines, while higher wind speeds can increase energy production. When assessing a site, consider factors such as proximity to ridges, hills, or coastlines, which can create wind-boosting effects.
Electrical Storage and Integration
To maximize energy production from a small wind turbine, it’s essential to integrate a suitable electrical storage system. A battery bank with a capacity of 2-5 kilowatt-hours (kWh) can store excess energy generated by the turbine during peak periods, allowing for a stable power supply during periods of low wind. When designing the electrical system, consider factors such as inverter efficiency, charge controller performance, and battery type to ensure optimal energy storage and utilization.
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