Tekhuri 1 HPP
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Tekhuri 1 HPP is located in Samegrelo - Zemo Svaneti region, Senaki
district on the river Tekhuri.
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Installed Capacity - 3.2 MW
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Average Annual Generation – 18.98 GW/h
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Regulation Type – Run-off-the-river
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Capacity Usage Ratio – 61.90%
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Construction Cost – 5.25 million USD
Construction Period – 2.00 years
Domestic Tariff – 4.8 USc/kWh
Export Tariff – 8 USc/kWh
Project IRR – 20%
Project NPV – 4.15 million USD
Equity IRR – 34%
Equity NPV – 4.32 million USD
Payback Period – 7 years
Note: All the calculations are based on preliminary
assumptions. Therefore any clarifications will
cause appropriate changes in the final results.
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Site Location:
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Samegrelo-Zemo Svaneti region, Senaki district
Name of the River: Tekhuri
GPS Coordinates: X=269431 Y=4691487
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HPP Type:
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Diversion, Run-off-the-river
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Site Description:
Head unit, diversion channel, power house, tailrace channel.
Head unit conveys Tyrolean weir, height - 3.0m, which ensures maximum water
discharge, reinforced concrete water intake and silt basin with sluice. diversion free
flow channel, base width - 5.0m, length - 1.4km. Power house dimensions 18.0x55.0m, height - 20.0m. Tailrace open channel is trapezoidal reinforced concrete
construction, with base width - 5.0m.
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Technical Parameters
Installed Capacity
Average Annual output
Autumn-winter (Oct-March) generation
Capacity usage ratio/Efficiency
Type of regulation
Scheme of energetic usage potential
Hydrology
Hydrological Data (number of years)
Year of the average multi annual discharge
Catchment area
High water flow
Average water flow
Low water flow
PMF (1%)
Rated water discharge
Maximum gross head
Minimum gross head
Reservoir
Full supply level (FSL)
Minimum Operation level (MOL)
Total volume at FSL
Active reservoir level
Dam
Type
Crest Elevation
MW
GWh
GWh
%
3.20
18.98
6.85
61.90
Run-off-the-river
Full
Year
Year
km2
m3/sec
m3/sec
m3/sec
m3/sec
m3/sec
m
m
49
1956
558.00
43.00
31.70
23.60
660.00
40.00
11.10
10.95
masl
masl
mln. m3
mln. m3
84.00
Unnecessary
Unnecessary
Unnecessary
masl
Tyrol
83.60
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Spillway
Type
Crest Elevation
Length of spillway crest
Reservoir elevation during PMF
Spillway capacity at reservoir level PMF
Water intake
Sill elevation
Stop log type and number
Quantity
Sluice or bottom spillway
Type and number
Quantity
Dimensions (w x h) or (d)
Diversion
Type of diversion
Dimensions (w; l) or (d; l)
Stilling basin or shaft
Dimensions (w x l) or (d )
Powerhouse
Type
Dimensions (w x h x l)
Elevation of tailrace outlet sill
Tailrace
Type
Dimensions (w x h)
Elevation of outlet sill
masl
m
masl
m3/sec
masl
Unnecessary
Unnecessary
Unnecessary
85.50
660.00
unit
81.60
Flat surface
1
unit
m
Unnecessary
Unnecessary
Unnecessary
m
Open channel
5; 1400
m
Unnecessary
m
masl
Above-ground
18x20x55
74.14
m
masl
Open channel
5.00
70.44
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Turbines/Generators
Turbine Type and number
Rated discharge
Rated output
Maximum output
Generator Type
Generator nominal output
Generator nominal output
Transformers
Type
Number
Nominal power
Transformer dimensions (l x w x h)
Seismic background of the construction site
Richter scale
MW
rpm
K. ZD560-LH-200; 2
20.00
1.81
2.01
SF 2000-24/2600
1.75
257
unit
MVA
m
Three-phase
1
1.9
4,5x3,15x4,8
Magnitude
5.5
m3/sec
MW
MW
Economic and Financial Parameters
Costing
Duration of the construction
Investment per 1 kV
Investment per 1 kV/h
Revenue per USD spent (Average price new HPP - 4,8 cents)
Estimated carbon credit generation
mln. USD
Year
Thousand USD
USD
USD
T.
5.25
2.00
1.50
0.28
0.20
6.6
Social and Environmental Parameters
Special environmental requirements
Social Impact
Additional workplace; Development of infrastructure
Ecological risks
Low
Transmission lines
Parameters
Distance to inter connection point
Infrastructure
Existing roads
Roads to be constructed
kV
km
35
0.50
km
Gravel
0.20
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Number of Observed Years - 49
Chosen Year - 1956
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