Wind turbine company Gamesa acquired a 20% stake in Spain-based technology firm N2S on Wednesday through its corporate venturing fund, Gamesa Venture Capital. The amount paid by Gamesa was not disclosed.

The investment is Gamesa Venture Capital’s third since the €50m ($71m) fund was launched in May last year, following its purchase of a 28.7% stake in sustainable energy company SkyBuilt Power for $5m and 25% of solar energy company WorldWater & Solar Technologies.

Founded in 2006, N2S outfits buildings…