Overview
Personal Profile
Erik Witter's work focuses on geothermal techno-economic analysis and modeling, with extensive work on NLR’s geothermal Annual Technology Baseline as well as the Geothermal Resource Portfolio Optimization and Reporting Technique and Geothermal Electricity Technology Evaluation Model tools. Witter has recently started work at NLR’s High-Flux Solar Furnace, where he performs degradation testing on concentrated solar power materials.
Research Interests
Geothermal exploration
Techno-economic analysis and modeling
Sustainable community development
Energy security
Education/Academic Qualification
Bachelor, Mechanical Engineering, University of Colorado Boulder
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Collaborations and Top Research Areas From the Past 5 Years
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2025 U.S. Geothermal Market Report
Akindipe, D., Martinez Smith, F., Witter, E., Pauling, H., Oh, H., Podgorny, S., Rane, J., Harmon, J., Javed, S., Simpson, J., Shlosberg, D., Holt, E., Trainor-Guitton, W., Levine, A., Schmidt, B. & Pedersen, A., 2026, 79 p.Research output: NLR › Technical Report
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Progress on Geological Thermal Energy Storage Analysis
McTigue, J., Barney, R., Witter, E., Akindipe, D., Atkinson, T., Colldeweih, R., Sonnenthal, E., Dwivedi, D., Adams, D., Perez, G., Umbro, M., Lederhos, J. & Zhu, G., 2026. 15 p.Research output: Contribution to conference › Paper
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Using Cold Underground Thermal Energy Storage to Manage Data Center Cooling Loads
McTigue, J., Oh, H., Barney, R., Witter, E., Ho, J., Halloran, C. & Zhu, G., 2026. 18 p.Research output: Contribution to conference › Paper
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2025 Geothermal Drilling Cost Curves Update: Preprint
Akindipe, D. & Witter, E., 2025. 14 p.Research output: Contribution to conference › Paper
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A Review of Geological Thermal Energy Storage for Seasonal, Grid-Scale Dispatching: Article No. 115761
Witter, E., Dobson, P., Akindipe, D., McTigue, J., Atkinson, T., Kumar, R., Sonnenthal, E. & Zhu, G., 2025, In: Renewable and Sustainable Energy Reviews. 218, 23 p.Research output: Contribution to journal › Article › peer-review
10 Scopus Citations