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Choose from our selection of proven and reliable wind turbines for off-grid and grid-tied operations.

Greef AH-20KW Wind Tourbine

In Stock / Ready for Immediate Pickup

New turbine featuring advanced mechanical centrifugal pitch control technology for a 30% higher energy yield. In storage for 5 years, completely tested.

Technical Specifications:

Rated Power: 20 kW (max. 22 kW)

Cut-in Wind Speed: 2.5 m/s

Rated Wind Speed: 10 m/s

Working / Safety Wind Speed: 3–30 m/s / 60 m/s

Rotor Diameter: 9.8 m (3 blades made of durable FRP composite, length 4.5 m)

Generator Weight: 1,210 kg

Generator Type: Three-phase Permanent Magnet Synchronous Generator (PMSG)

Operating Voltage: DC 280V / DC 450V

Braking System: Pitch brake + active yaw + electromagnetic brake

Lifespan: 20 years (IP54 protection rating)

Expected Annual Energy Production (AEP) by Wind Speed:

• At average 4 m/s: approx. 14,600 kWh / year
• At average 5 m/s: approx. 26,280 kWh / year
• At average 6 m/s: approx. 43,800 kWh / year
• At average 7 m/s: approx. 64,240 kWh / year

Warranty / Spare Parts: 2 years / 20-year availability guarantee

Price: 23.700 Euro incl. VAT

I am interested in Greef AH-20KW

Vestas V52 / 850 kW (78m Tower)

Flagship / Proven Classic

Detailed technical specification according to the manufacturer's official datasheet. Robust turbine with a 78-meter steel tower for maximum utilization of wind potential.

Technical Specifications:

• Power Output: 850 kW
• Cut-in Wind Speed: 4.0 m/s
• Rated Wind Speed: 14.0 m/s
• Rotor Diameter: 52 m
• Blades: 3 pcs (fiberglass)
• Rotational Speed: 14.0–31.4 RPM

Supply Package: Includes complete delivery and installation of the turbine, blades, generator, gearbox, control modules, cabling, and the 78m tower as a turnkey service with full inspection. Price does not include earthworks or concrete foundation. Option for 20-year service and spare parts supply.

Price: 162,000 EUR