Green Heiner
| Green Heiner | ||
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 The "Green Heiner" seen from the Weilimdorf industrial area |
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| height | 397.3 m above sea level NHN | |
| location | Baden-Wuerttemberg , Germany | |
| Coordinates | 48 ° 49 '51 " N , 9 ° 5' 50" E | |
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| Type | Rubble | |
The Green Heiner is a mountain of rubble on the boundary between Stuttgart-Weilimdorf and Korntal-Münchingen . It stands on the A 81 west of Korntal , its summit is 397.3 m above sea level. NHN and towers over the immediately surrounding terrain by 80 to 90 meters. The wind turbine , built on the mountain in 1999 and connected to the grid in 2000, is today a landmark of Stuttgart-Weilimdorf.
A metal viewing platform on the hilltop offers a view of the nearby Solitude (5 km) and the Mühlacker medium-wave transmitter (22 km) and the Heuchelberg (33 km) when the weather is good .
history
The hill was artificially piled up in the 1950s, mainly with large amounts of rubble. The resulting new elevation was initially called Heiner by the population and after a short time a destination for excursions. After it was still overgrown with grass and other vegetation, the new Kegelberg received the new nickname Grüner Heiner because of its more pleasant appearance . It owes its popularity in particular to the good distant view in clear weather.
use
Today the Green Heiner is a local recreation area . Hang gliders and model pilots let their aircraft soar here and appreciate its always safe wind conditions.
In 1994 the city of Stuttgart became aware of the high wind speed on the summit, the annual mean wind speed here is around 5.7 m / s, a very high value for the region. This gave rise to the idea of using the wind to generate environmentally friendly electrical energy. After fulfilling various requirements of the responsible authorities, the company Gedea Windkraft Grüner Heiner KG, founded specifically for this purpose, began to build a wind turbine at the end of October 1999 . On March 16, 2000, electricity was fed into the public grid for the first time.
The wind power plant has a nominal output of 500 kW and generates around 767 MWh of electrical energy over the year , making an average of 87 kW, which corresponds to the consumption of around 200 households. The best year so far was 2007 with 818 MWh, in 2014 the yield was only 482 MWh. Up to January 6, 2008, 5369 MWh were generated in 50,500 operating hours, by the end of 2015 it was 10,136 MWh.
At the latest after the installation of the wind turbine, the Green Heiner has become a landmark of Stuttgart-Weilimdorf and the surrounding area.
The operating license will expire in 2020 and the plant will have to be dismantled without a new license.
Wind turbine
| Plant type | Enercon E40 |
| features | Three-blade rotor made of GRP with active blade adjustment (pitch control); active wind tracking via azimuth drive; Ring generator without gear; Mains parallel operation, 50 Hz |
| Tower height | 44 m |
| Hub height | 46 m |
| Rotor diameter | 40 m (blade length 18.9 m) |
| Rotor area | 1,275 square meters |
| Weights | per sheet 1 t; Rotor with hub 13.6 t; Gondola 12.9 t; Tower 32 t; total about 116.5 t |
| rotational speed | 18 to 38 / min |
| Sound power level | 98.3 dB (A) according to DEWI |
| Electrical power | 500 kW nominal power; Network coupling from 2.0 m / s (7.2 km / h) wind speed |
| Annual yield | 767,000 kWh (calculated) |
| Investment volume | 613,000 euros (1.2 million DM) |
| operator | Gedea Windkraft Grüner Heiner KG |
Web links
Individual evidence
- ↑ Map services of the Federal Agency for Nature Conservation ( information )
- ↑ Stuttgarter Nachrichten, Stuttgart Germany: Green Heiner Weilimdorf: The future of the wind turbine is uncertain. Retrieved February 27, 2020 .
- ↑ Grüner Heiner wind power plant in Stuttgart. Retrieved February 27, 2020 .
- ↑ Stuttgarter Zeitung, Stuttgart Germany: Green Heiner Weilimdorf: The future of the wind turbine is uncertain. Retrieved July 16, 2020 .