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Table 4 Minimum, mode and maximum values for the Monte Carlo Simulation of the CATES

From: Techno-economic and environmental analysis of an Aquifer Thermal Energy Storage (ATES) in Germany

Category

Component

Minimum (€)

Mode (€)

Maximum (€)

Pre-investigation/

Feasibility

Site inspectiona

50

1216

2382

Construction schedulea

5

846

1687

Feasibility studyb

3939

22,488

41,037

Design planningc

6200

47,706

89,212

Preparation

Site equipmenta, d

1738

7319

12,900

Transport drilling rige

767

4701

8636

Movement drilling riga, d

300

7950

15,600

Sampling & core boxesa, d

924

9114

17,304

Bore log & drilling profilea, e

539

803

1066

Clear washing & pressure washingd

31,592

36,706

41,820

Pumping testsa

26,338

35,319

44,300

Drilling

Well drillingf

24,780

90,825

156,870

Well piping and well installation

Filter pipea, d, e

35,250

48,375

61,500

Solid wall pipee

14,160

30,881

47,602

Centeringd, e

24

102

180

Bottom capa

48

480

912

Well heada

1166

18,313

35,460

Water chambera, e

40,800

46,305

51,810

Shaft covera, d

767

2934

5100

Filter gravel/sanda

826

21,293

41,760

Counter filtera

28

464

900

Clay seala, d

2687

63,077

123,467

Submersible pumpsd

15,570

21,585

27,600

Stand pumpd, g

25,200

30,823

36,446

Well connectionsa

1204

52,298

103,392

Controlling & Monitoring

Electronic switchboarda

2213

50,982

99,750

Water flowmetera, f

893

9105

17,316

Pump control systema, e

1779

48,350

94,920

Site equipment monitoring wella, e

2100

11,550

21,000

Movement drilling rig monit. wella, e

162

925

1687

Drilling monitoring wellsa, e

2057

30,729

59,400

Control lined

15,000

20,000

25,000

Electricity connectiond

35,000

55,000

75,000

Piping

Horizontal pipingd

189,815

331,988

474,161

Pressure washingd

7161

8638

10,115

Building integration

Heat pumpg

11,456

41,365

71,274

Heat exchangerh, i

65,600

67,800

70,000

  1. Each single cost item is summarised in seven different categories
  2. aLANUV (2015), bMacKenzie and Cusworth (2007), cChiasson and Culver (2006), dGHJ (2017), eLANUV (2004/2005), fSanderson (2018, personal communication), gGWE (2017), hSeider (2006), iVanhoudt et al. (2011)