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Table 7 Expenditures for the reference case

From: Modeling and economic evaluation of deep geothermal heat supply systems using the example of the Wealden near Hannover, Germany

Initial capital expenditures, 103 Euro

Planning

930

Data Acquisition = 500

Feasibility = 180

Consultations = 250

Wells

8114

Site = 453

Drilling = 6080

Evaluation = 1581

Production pump

632

Pump setting depth = 612 m

El. power = 332 kW

 

Completion

141

Tubing, Power Cable = 99

Pump installation = 42

 

Heat exchanger

894

Area = 1828 m2

Geoth. power = 5.5 MW

Geoth. work = 32.90 GWh

Surface System

606

Piping, fittings, I&C = 536

Filters, pressure vessels = 70

 

Injection pump

191

El. power = 336 kW

  

Peak load boiler

1028

Power = 15.7 MW

Peak load work = 8.2 GWh

 

Others

1501

Project management = 928

Public relations = 400

Power, data, insurances = 400

Total initial capital expenditure

14,037

   

Euro Operating expenditures, 103 Euros p.a

Energy-/resource-related

1006

Electricity = 641

Gas = 329

Other = 36

Human resources

489

Human resources = 234

Maintenance, Repair = 137

Other = 118

Other (insurance, and public relations)

137

Liability ins. = 90

Electronics, and machine breakdown ins. = 22

Other = 25

Total initial operating expenditure

1630