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1. Licensing procedure |
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Application number in Regulatory Authority of Energy for the issuance of the Power Production license |
Γ – 05012 |
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2. Technology |
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R.E.S. unit: |
wind park |
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Storage unit |
pumped hydro storage (PHS) |
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Figure 1: Layout of the hybrid power plant in Kasos. |
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3. Siting |
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Wind park installation location: |
Hill “Megalos Prionas” Eastern Kasos |
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PHS installation location: |
Hill “Kapsalos” & Coast “Antiperatos” Central and Northern Kasos |
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Figure 2: Siting of hybrid power plant in Kasos. |
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Figure 3: Representation of the wind park’s siting on a wind potential map background. |
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Figure 4: Siting of the pumped hydro storage system. |
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4. Dimensioning |
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Nominal guaranteed power (MW) |
4.0 |
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Wind park’s nominal power (MW) |
4.5 |
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Hydro turbines nominal power (MW) |
4.0 |
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Pumps nominal mechanical power (MW) |
4.2 |
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Pumps nominal electrical power (MW) |
4.5 |
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Hydro turbines nominal flow (m3/s) |
1.04 |
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Pumps nominal flow (m3/s) |
0.60 |
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Penstock structure |
double penstock |
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Minimum falling head (m) |
452 |
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Maximum pumping head (m) |
493 |
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Falling penstock inner diameter (m) |
1.0 |
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Pumping penstock inner diameter (m) |
1.0 |
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Upper reservoir total volume (m3) |
483,313 |
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Upper reservoir effective capacity (m3) |
465,062 |
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Minimum water volume stored in upper reservoir (m3) |
57,058 |
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Total penstock length (m) |
1,450 |
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Lower reservoir |
sea |
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Figure 5: Penstock route representation on a 3D digitized land terrain. |
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Figure 6: Vertical cross section of the penstock route. |
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5. Energy – environmental results |
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Annual cover percentage of the electricity consumption in the autonomous insular system from the hybrid power plant: |
27.95% |
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CO2 emission annual reduction (tn): |
7,972 (31.00%) |
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Figure 7: Power production synthesis during the annual peak power demand period (August) before the introduction of the hybrid power plant. |
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Figure 8: Power production synthesis during the annual peak power demand period (August) after the introduction of the hybrid power plant. |
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