the graciosa project 1
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The Graciosa Project Adios supertankers, ahoy energy autonomy
Basel, 21 February 2012Martin Röder
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Inhabitants: 4500
Area: 67 km2
Peak load: ~ 3 MW
Electricity consumption: ~14 GWh
Energy supply: Fossil fuels (85%)Wind power (15%)
Local Utility: EDA
Graciosa Island (Azores)Graciosa Island (Azores)
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Graciosa’s current power system
Power station 4200 kW
(Fuel consumption ~ 4 Mio. l/a)
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Adios supertankers, ahoy energy autonomy
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Project Graciosa: 70-80% renewables
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Island Test SiteTo address technical issues in island projects, we set up the Island Test Site to simulate up to 100% renewable energy systems. The grid based system can be configured to use wind, irradiation and load measurements from anywhere.
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Potential for wind and solar Potential for wind and solar energyenergy
daily average 3.3 kWh/m2d
estim. yield 1.3 MWh/kW
Wind speed @ 15 m > 9 m/sestim. yield 3.0 MWh/kW
7
02468
101214
J F M A M J J A S O N D
Month
m/s
0
1
2
3
4
5
6
J F M A M J J A S O N D
Month
kW
h/m
2-d
ay Solar radiation
Wind
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Expected Results: