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Annual Technology Baseline 2018

National Renewable Energy Laboratory

Recommended Citation:
NREL (National Renewable Energy Laboratory). 2018. 2018 Annual Technology Baseline. Golden, CO: National Renewable Energy Laboratory.

Please consult Guidelines for Using ATB Data:


Geothermal technology cost and performance projections will be more extensively updated upon completion of the Geothermal Vision Study. Until then, the projections are based on those documented in 2017 ATB - Geothermal, with the following changes:

  1. The dollar year was updated from 2015 to 2016 with 1.3% inflation.
  2. Technology-specific financial assumptions are included, as for other technologies in 2018 ATB, using data from Wall 2017.

Reference: Wall, A. M., Pl Dobson, H. Thomas (2017). "Geothermal Costs of Capital: Relating Market Valuation to Project Risk and Technology." Geothermal Resources Council Transactions, v. 41.