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Skystream

Designed Specifically for Grid-Connectivity
Skystream 3.7™ is specifically-designed for grid-connected home and business use. In certain states consumers can take advantage of ‘net-metering,’ or the sale of unused energy back to the power grid.

Low Cost
A wind power engineering breakthrough, Skystream 3.7™ is the first residential wind appliance to produce energy at a cost ($.09/kWh) that is lower than the retail rate of many electric utilities. Payback depends on the tower and installation costs, wind speed average, rebates and local electricity costs.

All-in-One Solution
Skystream 3.7™ offers a simple, all-in-one solution to harnessing wind energy on a residential scale. Different from all other technologies, Skystream 3.7™ is the first all-inclusive wind generator with the controls and inverter built in. Rather than converting an inverter designed for grid-connected solar, the inverter was designed specifically for this application.

Exceptionally Quiet Operation
Skystream 3.7™ operates exceptionally quietly. In fact, Skystream 3.7™ is unrecognizable over trees blowing in the wind.

Energy Production in Exceptionally Low Wind
Designed for very low winds, Skystream 3.7™ begins producing power in an 8 mph breeze with full output achieved at 20 mph.

Low Profile
Skystream 3.7™ can be mounted on a 35 ft. tower. This means a vast number of households on one acre or larger lots will now have access to residential, grid-connected wind energy. Towers up to 110 ft. are available. A site assessment is important to determine the best tower height for your site.

Model

Skystream 3.7

Rated Capacity

1.8 kW

Weight

154 lbs (70 kg)

Rotor Diameter

12 feet (3.72 m)

Swept Area

115.7 ft2 (10.87 m2)

Type

Downwind rotor with stall regulation

Direction of Rotation

Clockwise looking upwind

Blade Material

Fiberglass reinforced composite

Number of Blades

3

Rated Speed

50 - 325 RPM

Tip speed

66-213 ft/s (9.7 - 63 m/s)

Alternator

Slotless permanent magnet brushless

Yaw Control

Passive

Grid Feeding

SWWP Inverter 120/240 VAC 50-60 Hz

Braking System

Electronic stall regulation with redundant relay switch control

Cut-in Wind Speed

8 mph (3.5 m/s)

Rated Wind Speed

20 mph (9 m/s)

User Control

Wireless 2-way interface remote system (optional)

Survival Wind Speed

140 mph (63 m/s)

Warranty

5 years

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