Skip to main content

Science – Society – Technology

Geothermal Energy Cover Image

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)