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Science – Society – Technology

Table 4 Performance indicators of two potential GWSs located in promising areas

From: An assessment of technical and economic feasibility to install geothermal well systems across Ukraine

Parameters and indicators of expected GCS performance

Hydrogeological area

Fold province of the Carpathian

Black Sea artesian basin

Location

Mukachevo

Henichesk

Well depth, m

700

2650

Rock type

Limestone

Sandstones

Maximum groundwater temperature at the well bottom,  °C

65

76

Groundwater salinity, g/dm3

76.4

32.1

Well flow rate, m3/day

1050

1455

Thermal output, MW (start/end of operation)

1.32/0.94

1.60/1.22

CO2 emission prevention owing to saving conventional fuel, t/a (start/end of operation)

 Coal

4632/3481

16,020/11,380

 Oil

3812/2865

13,190/9366

 Natural gas

2765/2078

9564/6793

 \({\text{NPV}}\), million €

6.1

10.5

 Potential facilities for heat supply

Industrial and municipal buildings

Sanatoriums, recreation centres, and hotels