Diagram of EGS with numeric labels. 1:Reservoir 2:Pump house 3:Heat exchanger 4:Turbine hall 5:Production well 6:Injection well 7:Hot water to district heating 8:Porous rock 9:Well 10:Solid bedrock
<ul><li><a href="//commons.wikimedia.org/wiki/File:Geothermie_Prinzip.svg" title="File:Geothermie Prinzip.svg">Geothermie_Prinzip.svg</a>: *<a href="//commons.wikimedia.org/wiki/File:Geothermie_Prinzip01.jpg" title="File:Geothermie Prinzip01.jpg">Geothermie_Prinzip01.jpg</a>: "Siemens Pressebild" <a rel="nofollow" class="external free" href="https://www.siemens.com">http://www.siemens.com</a></li>
<li>derivative work: <a href="//commons.wikimedia.org/wiki/User:FischX" title="User:FischX">FischX</a> (<a href="//commons.wikimedia.org/wiki/User_talk:FischX" title="User talk:FischX"><span class="signature-talk">talk</span></a>)</li>
<li><a href="//commons.wikimedia.org/wiki/File:Geothermie_Prinzip01.jpg" title="File:Geothermie Prinzip01.jpg">Geothermie_Prinzip01.jpg</a>: "Siemens Pressebild" <a rel="nofollow" class="external free" href="https://www.siemens.com">http://www.siemens.com</a></li>
<li>derivative work: <a href="//commons.wikimedia.org/w/index.php?title=User:Ytrottier&amp;action=edit&amp;redlink=1" class="new" title="User:Ytrottier (page does not exist)">Ytrottier</a> (<a href="//commons.wikimedia.org/wiki/User_talk:Ytrottier" title="User talk:Ytrottier"><span class="signature-talk">talk</span></a>)</li></ul>
CC BY-SA 3.0
<ul><li><a href="//commons.wikimedia.org/wiki/File:Geothermie_Prinzip.svg" title="File:Geothermie Prinzip.svg">Geothermie_Prinzip.svg</a></li>
<li><a href="//commons.wikimedia.org/wiki/File:Geothermie_Prinzip01.jpg" title="File:Geothermie Prinzip01.jpg">Geothermie_Prinzip01.jpg</a></li></ul>