This exhibit demonstrates how much power a wind power plant  (3 MW) can generate. The table i covered by a semitransparent map over a city. The visitor first selects a wind speed and sees the turbine being lit by a couple of LED's. She/he  makes a guess on how big part of the city the power plant can supply with electricity. When she/he pushes the right button the corresponding area of the city will be lit from below. 

Then the visitor tries another wind speed.

Language: Custom
Maintenance: Wind speed calibration every 6 months
Material: MDF, arylic glass.
Colour: Light blue, black
Width 1140 mm
Length: 1880
Height: 1700 , table 750 mm