For questions regarding geothermal energy, the website or other relevant issues, or for remarks and/or suggestions, please use the form below. First name (required) Interfix Last name (required) Your Email (required) Organisation Message (required) TNO contactinformation Netherlands Organisation for Applied Scientific Research TNO Publiekrechtelijke rechtspersoon: Rechtspersoon met Wettelijk Taak (RWT) Visiting address: Princetonlaan 6, 3584CB, Utrecht Postal address: Postbus 80015, 3508 TA Utrecht Phone number: 088-8664300 E-mail: info@tno.nl Registered in Handelsregister, KVK-nummer 27376655 VAT-number NL002875718B01