Expression of Interest

Geothermal Development Facility

The Pre-Expression of Interest (EOI) sign-up is always open.

After the GDF receives your Pre-EOI survey and determines that your project might meet the goals of the facility, you will be emailed a set of instructions to complete the EOI once the next call begins. The invitation email includes the latest version of the Developers’ and Procurement Manual and the links needed to understand and complete an application. Please refer to the Procedure section of this website for further information. There are also two short videos in that section that might be useful.


-Surface study applicants do not need to apply at the EOI stage but do need to complete the pre-EOI survey.

-Each project has to have a separate and complete pre-EOI survey.

Geothermal Development Facility