Geothermal handbook: PlanninG and Financing power Generation t e c h n I c a L r e p o r t 2 / 2

Phase 2: Exploration
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The exploration phase consists of surface level surveys to further confirm the preliminary resource 
assessment. It starts as soon as the project developer is satisfied with the results of Phase 1 and has 
complied with legal requirements. In total, the second phase can take up to two years, depending on 
the size and accessibility of the geothermal field and the data already available. In the beginning of 
this phase, an exploration plan is produced which can include some or all of the following exploration 
methods:
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