4 months to go 1800m deep. It's now finished. Total cost of the project is 34M€ (11M€ just for the drilling). http://www.constructioncayola.com/reseaux/article

4 months to go 1800m deep. It's now finished. Total cost of the project is 34M€ (11M€ just for the drilling). http://www.constructioncayola.com/reseaux/article/2014/12/15/96367/hautsdeseine-forage-geothermique-bagneux.php http://www.constructioncayola.com/reseaux/article/2014/12/15...