Country Organization Period of Contract Members
affiliated to IGA
01 Australia Australian Geothermal Energy Group 2015 38
02 Canada Canadian Geothermal Energy Association 2014-2018 34
03 Chile Chilean Geothermal Association 2013-2017 14
04 China Geothermal Chinese Energy Society 2013-2017 109
05 Costa Rica Geothermal Association of Costa Rica 2013-2017 19
06 Estonia Estonian Geothermal Association
07 Ethiopia Ethiopian Geothermal Association 2013-2017 47
08 France Association Française des Professionnels de la Géothermie 2015-2019 104
09 Georgia Georgian Geothermal Association 2013-2017 20
10 Germany Bundesverband Geothermie 2015-2017 439
11 Greece Hellenic Geothermal Association 25
12 Hungary Hungarian Geothermal Association 2015-2019 87
13 Hungary Hungarian Thermal Energy Society 2015-2019 49
14 Iceland Geothermal Association of Iceland 2015-2019 183
15 Indonesia Indonesian Geothermal Association 2015-2019 450
16 Iran Iranian Geothermal Energy Association 2015-2019 10
17 Ireland Geothermal Association of Ireland 2014-2018 36
18 Italy Unione Geotermica Italiana 2015-2019 101
19 Japan Geothermal Research Society of Japan 2015-2019 101
20 Kenya Geothermal Association of Kenya 2013-2017 178
21 Lithuania Lithuanian Geothermal Association 2013-2017 27
22 The former Yugoslav
Republic of Macedonia
Geothermal Association of
The former Yugoslav Republic of Macedonia
2015-2019 19
23 Mexico Mexican Geothermal Association 2013-2017 178
24 Netherlands Dutch Stichting Platform Geothermie 2013-2017 75
25 New Zealand New Zealand Geothermal Association 2015-2019 329
26 Philippines National Geothermal Association of the Philippines 2016-2020 313
27 Poland Polish Geothermal Association 2015-2019 141
28 Poland Polish Geothermal Society 2015-2019 127
29 Romania Romanian Geothermal Association 2014-2018 28
30 Russia Russian Geothermal Association 2015-2019 12
31 Switzerland Swiss Geothermal Society 2013-2017 114
32 Turkey Turkish Geothermal Association 2014-2018 108
33 United Kingdom Renewable Energy Association 2014-2018 16
34 USA Geothermal Resources Council 2014-2018 1,110
    4,640
  Corporate 23
  Institute 3
  Individual 146
  Student 19
  Sustaining 2
  Total 4,833