Clifford Hansen

Distinguished Member of Technical Staff

Author profile picture

Distinguished Member of Technical Staff

cwhanse@sandia.gov

(505) 284-1643

Biography

Dr. Clifford Hansen is a Distinguished Member of the Technical Staff in the Renewable and Distributed Systems Integration Program. He leads efforts to develop reusable open source software capabilities for renewable energy systems. Current projects include pvlib-python (https://github.com/pvlib/pvlib-python.git) for solar power modeling, pvanalytics (https://github.com/pvlib/pvanalytics.git) for analysis of data from solar power systems, and the Orange Button initiative (https://orangebutton.io) to simplify exchanging solar system data. Cliff received his PhD in mathematics from The George Washington University

Education

Ph.D., Mathematics, The George Washington University

Google Scholar

Clifford Hansen

Publications

  • Hansen, C., Scheiner, A., & Scheiner, A. (2022). Uncertainty in annual energy resulting from uncertain irradiance measurements [Conference Paper]. https://doi.org/10.2172/1959813 Publication ID: 80801
  • Hansen, C. (2021). Solar Performance Insight (Final Report). https://doi.org/10.2172/1832292 Publication ID: 76854
  • King, S., LaForce, T., Hansen, C., & Hansen, C. (2021). APPA Peer Review Questions and Concerns Response [Presentation]. https://www.osti.gov/biblio/1882492 Publication ID: 79777
  • Hansen, C. (2021). Overview of Conceptual Models in the Additional Panels Performance Assessment [Presentation]. https://www.osti.gov/biblio/1877845 Publication ID: 79228
  • Brunell, S., Hansen, C., Kim, S., King, S., & King, S. (2021). The Additional Panels Performance Assessment [Presentation]. https://www.osti.gov/biblio/1877544 Publication ID: 79356
  • LaForce, T., Stein, E., Hansen, C., Park, H., & Park, H. (2021). PFLOTRAN 3D Meshing and Modeling [Presentation]. https://www.osti.gov/biblio/1888401 Publication ID: 79364
  • Hansen, C. (2021). Overview of Conceptual Models in the Additional Panels Performance Assessment [Presentation]. https://www.osti.gov/biblio/1891068 Publication ID: 79378
  • King, S., Hansen, C., & Hansen, C. (2021). Porosity Surface and Fracture Model for the Salado Flow Model [Presentation]. https://www.osti.gov/biblio/1881689 Publication ID: 79590
  • Gostein, M., Pelaez, S., Deline, C., Habte, A., Hansen, C., Marion, B., Newmiller, J., Sengupta, M., Stein, J., Suez, I., & Suez, I. (2021). Measuring Irradiance for Bifacial PV Systems [Conference Paper]. https://www.osti.gov/biblio/1888712 Publication ID: 78908
  • Gostein, M., Pelaez, S., Deline, C., Habte, A., Hansen, C., Marion, B., Newmiller, J., Sengupta, M., Stein, J., Suez, I., & Suez, I. (2021). Measuring Irradiance for Bifacial PV Systems [Conference Poster]. https://doi.org/10.2172/1877836 Publication ID: 78909
  • Hansen, C., Jordan, D., Deceglie, M., Gunda, T., Mendoza, H., Muller, M., Vining, W., & Vining, W. (2021). Data Cleaning for Degradation Analyses [Presentation]. https://www.osti.gov/biblio/1854657 Publication ID: 76820
  • Hansen, C., Jordan, D., Deceglie, M., Gunda, T., Hopwood, M.W., Mendoza, H., Muller, M., Vining, W., & Vining, W. (2021). Data Cleaning for Degradation Analyses [Conference Presenation]. https://doi.org/10.2172/1845618 Publication ID: 76821
  • Hansen, C., Nole, M., Park, H., Frederick, J., Stein, E., & Stein, E. (2021). PFLOTRAN QA Update [Presentation]. https://www.osti.gov/biblio/1847476 Publication ID: 77363
  • Brunell, S., Rechard, R., Hansen, C., Wagner, S., & Wagner, S. (2020). 2020 NEPA Polychlorinated Biphenyl (PCB) Risk Assessment. https://doi.org/10.2172/1716558 Publication ID: 71716
  • Guttromson, R., Lawton, C., Halligan, M., Huber, D., Flicker, J., Hoffman, M., Bowman, T., Campione, S., Clem, P., Fiero, A., Hansen, C., Llanes, R., Pfeiffer, R.A., Pierre, B., San Martin, L., Sanabria, D., Schiek, R., Slobodyan, O., Warne, L., & Warne, L. (2020). Electromagnetic Pulse – Resilient Electric Grid for National Security: Research Program Executive Summary. https://doi.org/10.2172/1879618 Publication ID: 71301
  • Hansen, C., Jordan, D., Deceglie, M., Gunda, T., Mendoza, H., Muller, M., Vining, W., & Vining, W. (2020). Data Cleaning for Degradation Analyses [Conference Poster]. https://www.osti.gov/biblio/1821842 Publication ID: 74963
  • Summers, A., Johnson, J., Darbali-Zamora, R., Hansen, C., Anandan, J., Showalter, C., & Showalter, C. (2020). A comparison of der voltage regulation technologies using real-time simulations. Energies, 13(14). https://doi.org/10.3390/en13143562 Publication ID: 73541
  • Hansen, C., Catanach, T., Glover, A., Huerta, J., Stuart, Z., Guttromson, R., & Guttromson, R. (2020). Modeling Failure of Electrical Transformers due to Effects of a HEMP Event. https://doi.org/10.2172/1644736 Publication ID: 74200
  • Jones, C., Theristis, M., Stein, J., Hansen, C., & Hansen, C. (2020). Feature Selection of Photovoltaic System Data to Avoid Misclassification of Fault Conditions [Conference Poster]. https://www.osti.gov/biblio/1807373 Publication ID: 73720
  • Jones, C., Theristis, M., Stein, J., Hansen, C., & Hansen, C. (2020). Feature Selection of Photovoltaic System Data to Avoid Misclassification of Fault Conditions [Conference Poster]. https://www.osti.gov/biblio/1807374 Publication ID: 73721
  • Hansen, C., Jordan, D., Deceglie, M., Muller, M., Gunda, T., Vining, W., & Vining, W. (2020). Data Cleaning for Degradation Analyses [Conference Poster]. https://www.osti.gov/biblio/1767884 Publication ID: 72746
  • Sevougian, S., Hansen, C., & Hansen, C. (2020). Performance Assessment for Yucca Mountain License Application [Presentation]. https://www.osti.gov/biblio/1763865 Publication ID: 70919
  • Hansen, C., MacKinnon, R., & MacKinnon, R. (2020). The Performance Assessment Methodology [Presentation]. https://www.osti.gov/biblio/1764353 Publication ID: 71410
  • Hansen, C., Helton, J.C., Vugrin, E., Clayton, D., Camphouse, R., Zeitler, T., & Zeitler, T. (2020). PA Lessons: A Retrospective of the WIPP PA [Presentation]. https://www.osti.gov/biblio/1764354 Publication ID: 71415
  • Headley, A., Hansen, C., Nguyen, T.A., & Nguyen, T.A. (2019). Energy Storage Paired with Community Solar in NYISO [Conference Poster]. https://www.osti.gov/biblio/1642814 Publication ID: 65613
  • Hansen, C., Holmgren, W., Touhy, A., Sharp, J., Lorenzo, A., Boeman, L., Golnas, A., & Golnas, A. (2019). The Solar Forecast Arbiter: An Open Source Evaluation Framework for Solar Forecasting [Conference Poster]. https://doi.org/10.1109/PVSC40753.2019.8980713 Publication ID: 69626
  • Castillo, A., Flicker, J., Hansen, C., Watson, J., Johnson, J., & Johnson, J. (2019). Stochastic optimisation with risk aversion for virtual power plant operations: A rolling horizon control. IET Generation, Transmission and Distribution, 13(11), pp. 2182-2189. https://doi.org/10.1049/iet-gtd.2018.5834 Publication ID: 59901
  • Hansen, C., Riley, D., & Riley, D. (2019). Open-source Software for Solar Power: Update [Conference Poster]. https://www.osti.gov/biblio/1640607 Publication ID: 68998
  • Jones, C.B., Hansen, C., & Hansen, C. (2019). Single Diode Parameter Extraction from In-Field Photovoltaic I-V Curves on a Single Board Computer [Conference Poster]. Conference Record of the IEEE Photovoltaic Specialists Conference. https://doi.org/10.1109/PVSC40753.2019.8981330 Publication ID: 69244
  • Jones, C., Hansen, C., & Hansen, C. (2019). Single Diode Parameter Extraction from In-Field Photovoltaic I-V Curves on a Single Board Computer [Conference Poster]. https://doi.org/10.1109/PVSC40753.2019.8981330 Publication ID: 69279
  • Hansen, C., Johnson, J., & Johnson, J. (2019). ProDROMOS: Managing Distribution Voltage using Photovoltaic Inverters [Presentation]. https://www.osti.gov/biblio/1645260 Publication ID: 68568
  • Hansen, C., Johnson, J., Darbali-Zamora, R., & Darbali-Zamora, R. (2019). Voltage Regulation and Protection Assurance using DER Advanced Grid Functions [Presentation]. https://www.osti.gov/biblio/1648795 Publication ID: 68587
  • Hansen, C., King, B., & King, B. (2019). Determining Series Resistance for Equivalent Circuit Models of a PV Module. IEEE Journal of Photovoltaics, 9(2), pp. 538-543. https://doi.org/10.1109/JPHOTOV.2018.2883703 Publication ID: 60491
  • Hansen, C., Stein, J., Riley, D., Lave, M., Deline, C., Toor, F., & Toor, F. (2018). Field Performance of Bifacial PV Modules and Systems [Conference Poster]. https://www.osti.gov/biblio/1581945 Publication ID: 63707
  • Hansen, C., King, B., & King, B. (2018). Determining series resistance for equivalent circuit models of a PV module [Conference Poster]. https://doi.org/10.1109/JPHOTOV.2018.2883703 Publication ID: 62559
  • Hansen, C., King, B., & King, B. (2018). Determining series resistance for equivalent circuit models of a PV module [Conference Poster]. https://doi.org/10.1109/JPHOTOV.2018.2883703 Publication ID: 62560
  • Hansen, C., Klise, G., & Klise, G. (2018). Orange Button 1.0 : An Open Source Data Taxonomy for PV [Conference Poster]. https://www.osti.gov/biblio/1524270 Publication ID: 61998
  • Hansen, C. (2018). What?s new in PVLib and pvlib-python? [Conference Poster]. https://www.osti.gov/biblio/1513354 Publication ID: 62037
  • Hansen, C. (2018). Photovoltaic And Renewable Energy Systems Research [Presentation]. https://www.osti.gov/biblio/1806947 Publication ID: 61564
  • Riley, D., Stein, J., Hansen, C., & Hansen, C. (2018). 2018 IEEE PVSC Tutorial PV System Modeling [Conference Poster]. https://www.osti.gov/biblio/1511110 Publication ID: 61880
  • Guttromson, R., Gravagne, I., White, J., Berg, J., Wilches-Bernal, F., Paquette, J., Hansen, C., & Hansen, C. (2018). Use of Wind Turbine Kinetic Energy to Supply Transmission Level Services. https://doi.org/10.2172/1489867 Publication ID: 61350
  • Hansen, C., Stein, J., Riley, D., Lave, M., Deline, C., Toor, F., & Toor, F. (2018). Field Performance of Bifacial PV Modules and Systems [Conference Poster]. https://www.osti.gov/biblio/1513695 Publication ID: 59220
  • Forrest, R., Ray, J., Hansen, C., Young, C.J., Burks, L., & Burks, L. (2017). Using discrete wavelet transform features to discriminate between noise and phases in seismic waveforms [Conference Poster]. https://www.osti.gov/biblio/1488333 Publication ID: 54680
  • Stein, J., Hansen, C., Deline, C., Marion, B., Toor, F., Shishavan, A., & Shishavan, A. (2017). Comparison of modeling methods and tools for bifacial PV performance [Conference Poster]. https://www.osti.gov/biblio/1484158 Publication ID: 54370
  • Hansen, C., Riley, D., Deline, C., Toor, F., Stein, J., & Stein, J. (2017). A Detailed Performance Model for Bifacial PV Modules [Conference Poster]. https://www.osti.gov/biblio/1478165 Publication ID: 53545
  • Hansen, C., Riley, D., Deline, C., Toor, F., Stein, J., & Stein, J. (2017). A Detailed Performance Model for Bifacial PV Modules [Conference Poster]. https://www.osti.gov/biblio/1478164 Publication ID: 53546
  • Stein, J., Riley, D., Lave, M., Deline, C., Toor, F., Hansen, C., & Hansen, C. (2017). Outdoor Field Performance from Bifacial Photovoltaic Modules and Systems [Conference Poster]. https://www.osti.gov/biblio/1474810 Publication ID: 53164
  • Stein, J., Riley, D., Lave, M., Deline, C., Toor, F., Hansen, C., & Hansen, C. (2017). Outdoor Field Performance of Bifacial PV Modules and Systems [Conference Poster]. https://www.osti.gov/biblio/1474824 Publication ID: 53186
  • Stein, J., Riley, D., Lave, M., Hansen, C., Deline, C., Toor, F., & Toor, F. (2017). Outdoor Field Performance of Bifacial PV Modules and Systems [Conference Poster]. https://www.osti.gov/biblio/1459780 Publication ID: 57152
  • Marion, B., MacAlpine, S., Deline, C., Asgharzadeh, A., Toor, F., Riley, D., Stein, J., Hansen, C., & Hansen, C. (2017). A Practical Irradiance Model for Bifacial PV Modules [Conference Poster]. https://www.osti.gov/biblio/1460254 Publication ID: 57187
  • Shishavan, A., Lubenow, T., Sink, J., Marion, B., Deline, C., Hansen, C., Stein, J., Toor, F., & Toor, F. (2017). Analysis of the Impact of Installation Parameters and System Size on Bifacial Gain and Energy Yield of PV Systems [Conference Poster]. https://www.osti.gov/biblio/1460255 Publication ID: 57188
  • Hansen, C., Gooding, R., Guay, N., Riley, D., Kallickal, J., Ellibee, D., Asgharzadeh, A., Marion, B., Toor, F., Stein, J., & Stein, J. (2017). A Detailed Model of Rear-Side Irradiance for Bifacial PV Modules [Conference Poster]. Conference Record of the IEEE Photovoltaic Specialists Conference. https://doi.org/10.1109/PVSC.2017.8366707 Publication ID: 57337
  • Hansen, C., Riley, D., Stein, J., & Stein, J. (2017). 2017 IEEE PVSC tutorial PV system modeling [Conference Poster]. https://www.osti.gov/biblio/1513607 Publication ID: 56735
  • Stein, J., Riley, D., Lave, M., Hansen, C., Deline, C., Toor, F., & Toor, F. (2017). Outdoor Field Performance from Bifacial Photovoltaic Modules and Systems [Conference Poster]. Conference Record of the IEEE Photovoltaic Specialists Conference. https://doi.org/10.1109/PVSC.2017.8366042 Publication ID: 56979
  • Hansen, C., Gooding, R., Guay, N., Riley, D., Kallickal, J., Ellibee, D., Asgharzadeh, A., Marion, B., Toor, F., Stein, J., & Stein, J. (2017). A Detailed Model of Rear-Side Irradiance for Bifacial PV Modules [Conference Poster]. https://www.osti.gov/biblio/1458397 Publication ID: 57012
  • Riley, D., Hansen, C., Stein, J., Lave, M., Kallickal, J., Marion, B., Toor, F., & Toor, F. (2017). A Performance Model for Bifacial PV Modules [Conference Poster]. https://www.osti.gov/biblio/1458425 Publication ID: 57029
  • Hansen, C. (2017). Sample size for PV lifetime project. https://doi.org/10.2172/1367408 Publication ID: 56206
  • Hansen, C., Riley, D., & Riley, D. (2017). Performance model for bifacial PV modules [Conference Poster]. https://www.osti.gov/biblio/1367197 Publication ID: 56364
  • Ray, J., Hansen, C., Forrest, R., Young, C.J., & Young, C.J. (2017). Using discrete wavelet transforms to discriminate between noise and phases in seismic waveforms [Conference Poster]. https://www.osti.gov/biblio/1456582 Publication ID: 55863
  • Lefantzi, S., Brogan, R., Forrest, R., Hansen, C., Ray, J., Young, C.J., & Young, C.J. (2016). Detecting seismic waves using binary classification and hidden Markov models [Conference Poster]. https://www.osti.gov/biblio/1414651 Publication ID: 48274
  • Hansen, C., Stein, J., Deline, C., Macalpine, S., Marion, B., Asgharzadeh, A., Toor, F., & Toor, F. (2016). Analysis of irradiance models for bifacial PV modules [Conference Poster]. Conference Record of the IEEE Photovoltaic Specialists Conference. https://doi.org/10.1109/PVSC.2016.7749564 Publication ID: 46915
  • Lave, M., Hansen, C., Ueda, Y., Hakuta, K., & Hakuta, K. (2016). Using a few spectral wavelengths to enhance short circuit current predictions in PV performance models [Conference Poster]. Conference Record of the IEEE Photovoltaic Specialists Conference. https://doi.org/10.1109/PVSC.2016.7749838 Publication ID: 50079
  • King, B., Hansen, C., Riley, D., Robinson, C., Pratt, L., & Pratt, L. (2016). Outdoor test and analysis procedures for generating coefficients for the Sandia Array Performance Model [Conference Poster]. Conference Record of the IEEE Photovoltaic Specialists Conference. https://doi.org/10.1109/PVSC.2016.7750225 Publication ID: 50367
  • Jones, C., Hansen, C., King, B., & King, B. (2016). Statistical Approach for Determining the Sandia Array Performance Model Coefficients that Considers String-Level Mismatch. https://doi.org/10.2172/1431464 Publication ID: 52059
  • King, B., Hansen, C., Riley, D., Robinson, C., Pratt, L., & Pratt, L. (2016). Procedure to Determine Coefficients for the Sandia Array Performance Model (SAPM). https://doi.org/10.2172/1256510 Publication ID: 50384
  • King, B., Hansen, C., Riley, D., Robinson, C., Pratt, L., & Pratt, L. (2016). Outdoor Test and Analysis Procedures for Generating Coefficients for the Sandia Array Performance Model [Conference Poster]. https://doi.org/10.1109/PVSC.2016.7750225 Publication ID: 50387
  • Stein, J., Holmgren, W., Forbess, J., Hansen, C., & Hansen, C. (2016). PVLIB: Open Source Photovoltaic Performance Modeling Functions for Matlab and Python [Conference Poster]. https://doi.org/10.1109/PVSC.2016.7750303 Publication ID: 50580
  • Guay, N., Hansen, C., Robinson, C., King, B., & King, B. (2016). Improving Module Temperature Measurements using Averaging Resistive Temperature Devices [Conference Poster]. https://doi.org/10.1109/PVSC.2016.7750243 Publication ID: 50603
  • Hansen, C., Martin, C., & Martin, C. (2016). Simulation of Photovoltaic Power Output for Solar Integration Studies in the Southeast US. https://doi.org/10.2172/1431320 Publication ID: 50610
  • Reno, M., Hansen, C., & Hansen, C. (2016). Identification of periods of clear sky irradiance in time series of GHI measurements. Renewable Energy, 90, pp. 520-531. https://doi.org/10.1016/j.renene.2015.12.031 Publication ID: 42041
  • Hansen, C. (2016). Irradiance Modeling for Bifacial PV [Conference Poster]. https://www.osti.gov/biblio/1420860 Publication ID: 50059
  • Stein, J., Holmgren, W., Forbess, J., Hansen, C., & Hansen, C. (2016). PVLIB: Open Source Photovoltaic Performance Modeling Functions for Matlab and Python [Conference Poster]. https://doi.org/10.1109/PVSC.2016.7750303 Publication ID: 50201
  • Klise, K., Hansen, C., Stein, J., & Stein, J. (2015). Dependence on geographic location of air mass modifiers for photovoltaic module performance models [Conference Poster]. 2015 IEEE 42nd Photovoltaic Specialist Conference, PVSC 2015. https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84961644519&origin=inward Publication ID: 43734
  • Hansen, C. (2015). Final Technical Report Advanced Solar Resource Modeling and Analysis. https://doi.org/10.2172/1233820 Publication ID: 42069
  • King, B., Hansen, C., Stein, J., & Stein, J. (2015). Final Technical Report: Increasing Prediction Accuracy. https://doi.org/10.2172/1233821 Publication ID: 42071
  • King, B., Burton, P., Hansen, C., Jones, C., & Jones, C. (2015). Final Technical Report: Advanced Measurement and Analysis of PV Derate Factors. https://doi.org/10.2172/1233823 Publication ID: 42074
  • King, B., Hansen, C., Stein, J., Riley, D., Gonzalez, S., & Gonzalez, S. (2015). Final Technical Report: Characterizing Emerging Technologies. https://doi.org/10.2172/1233826 Publication ID: 42085
  • Hansen, C. (2015). Estimating Parameters for the PVsyst Version 6 Photovoltaic Module Performance Model. https://doi.org/10.2172/1223058 Publication ID: 45899
  • Hansen, C., Martin, C., Guay, N., & Guay, N. (2015). Analysis of Global Horizontal Irradiance in Version 3 of the National Solar Radiation Database. https://doi.org/10.2172/1432925 Publication ID: 45602
  • Hansen, C., Martin, C., & Martin, C. (2015). Photovoltaic System Modeling. Uncertainty and Sensitivity Analyses. https://doi.org/10.2172/1211576 Publication ID: 45003
  • Stein, J., Hansen, C., Riley, D., & Riley, D. (2015). 2015 IEEE PVSC Tutorial on PV System Performance [Conference Poster]. https://www.osti.gov/biblio/1257168 Publication ID: 43912
  • Klise, K., Hansen, C., Stein, J., & Stein, J. (2015). Dependence on Geographic Location of Air Mass Modifiers For Photovoltaic Module Performance Models [Conference Poster]. https://www.osti.gov/biblio/1257679 Publication ID: 43972
  • Lave, M., Hayes, W., Pohl, A., Hansen, C., & Hansen, C. (2015). Evaluation of global horizontal irradiance to plane-of-array irradiance models at locations across the United States. IEEE Journal of Photovoltaics, 5(2), pp. 597-606. https://doi.org/10.1109/JPHOTOV.2015.2392938 Publication ID: 37943
  • Hansen, C. (2015). Parameter Estimation for Single Diode Models of Photovoltaic Modules. https://doi.org/10.2172/1177157 Publication ID: 42614
  • Sauer, K.J., Roessler, T., Hansen, C., & Hansen, C. (2015). Modeling the irradiance and temperature dependence of photovoltaic modules in PVsyst. IEEE Journal of Photovoltaics, 5(1), pp. 152-158. https://doi.org/10.1109/JPHOTOV.2014.2364133 Publication ID: 39202
  • Riley, D., Hansen, C., & Hansen, C. (2015). Sun-relative pointing for dual-axis solar trackers employing azimuth and elevation rotations. Journal of Solar Energy Engineering, Transactions of the ASME. https://doi.org/10.1115/1.4029379 Publication ID: 40475
  • Helton, J.C., Hansen, C., Sallaberry, C., & Sallaberry, C. (2014). Conceptual Structure of Performance Assessments for the Geologic Disposal of Radioactive Waste. https://www.osti.gov/biblio/1183355 Publication ID: 39784
  • Hansen, C., Klise, K., Stein, J., Ueda, Y., Hakuta, K., & Hakuta, K. (2014). Photovoltaic system model calibration using monitored system data [Conference Poster]. https://www.osti.gov/biblio/1315429 Publication ID: 39478
  • Hansen, C., Stein, J., & Stein, J. (2014). Uncertainty in Module Temperature Coefficients [Presentation]. https://www.osti.gov/biblio/1504874 Publication ID: 39516
  • Hansen, C., Klise, K., Stein, J., Ueda, Y., Hakuta, K., & Hakuta, K. (2014). PV Module Model Calibration Using Monitored Data [Conference Poster]. https://www.osti.gov/biblio/1505042 Publication ID: 39517
  • Hansen, C. (2014). Accuracy of Performance Predictions for PV Systems [Presentation]. https://www.osti.gov/biblio/1505053 Publication ID: 39532
  • Stein, J., McCaslin, S., Hansen, C., Boyson, W.E., Robinson, C., & Robinson, C. (2014). Measuring PV system series resistance without full IV curves [Conference]. 2014 IEEE 40th Photovoltaic Specialist Conference, PVSC 2014. https://doi.org/10.1109/PVSC.2014.6925326 Publication ID: 41031
  • Andrews, R., Stein, J., Hansen, C., Riley, D., & Riley, D. (2014). Introduction to the Open Source PV LIB for Python Photovoltaic System Modeling Package [Conference Poster]. https://www.osti.gov/biblio/1241774 Publication ID: 38910
  • Hansen, C. (2014). Accuracy of Performance Predictions for PV Systems [Presentation]. https://www.osti.gov/biblio/1503486 Publication ID: 38959
  • Klise, K., Hansen, C., Stein, J., Ueda, Y., Hakuta, K., & Hakuta, K. (2014). Calibration of Photovoltaic Module Performance Models [Conference Poster]. https://www.osti.gov/biblio/1314575 Publication ID: 38587
  • Klise, K., Hansen, C., Stein, J., Ueda, Y., Hakuta, K., & Hakuta, K. (2014). Calibration of Photovoltaic Module Performance Models [Presentation]. https://www.osti.gov/biblio/1502785 Publication ID: 38588
  • Lave, M., Hayes, W., Hansen, C., Pohl, A., & Pohl, A. (2014). Evaluation of Irradiance Decomposition and Transposition Models at Locations Across the United States [Presentation]. https://www.osti.gov/biblio/1569197 Publication ID: 37344
  • Hansen, C., Pohl, A., & Pohl, A. (2014). Which Models Matter: Uncertainty and Sensitivity Analysis for Photovoltaic Power Systems [Presentation]. https://doi.org/10.1109/PVSC.2014.6925511 Publication ID: 37384
  • Riley, D., Stein, J., Hansen, C., & Hansen, C. (2014). 2014 IEEE PVSC Tutorial on PV System Performance Modeling [Presentation]. https://www.osti.gov/biblio/1714482 Publication ID: 41032
  • Stein, J., Hansen, C., Robinson, C., & Robinson, C. (2014). Measuring PV System Series Resistance Without Full IV Curves [Conference]. https://doi.org/10.1109/PVSC.2014.6925326 Publication ID: 41100
  • Hansen, C., Farr, M., & Farr, M. (2014). Correcting Bias in Measured Module Temperature Coefficients [Conference]. https://doi.org/10.1109/PVSC.2014.6925475 Publication ID: 41125
  • King, B., Riley, D., Hansen, C., Erdman, M., Gabriel, J., Ghosal, K., & Ghosal, K. (2014). HCPV characterization: Analysis of fielded system data [Conference]. AIP Conference Proceedings. https://doi.org/10.1063/1.4897077 Publication ID: 40329
  • Stein, J., Hansen, C., King, B., & King, B. (2013). Outdoor PV Performance Evaluation of Three Different Models: Single-diode SAPM and Loss Factor Model [Conference]. https://www.osti.gov/biblio/1111310 Publication ID: 35769
  • Stein, J., Hansen, C., King, B., & King, B. (2013). OUTDOOR PV PERFORMANCE EVALUATION OF THREE DIFFERENT MODELS: SINGLE-DIODE SAPM AND LOSS FACTOR MODEL [Conference]. https://www.osti.gov/biblio/1111299 Publication ID: 35770
  • Reno, M., Hansen, C., & Hansen, C. (2013). Detection of Clear Sky Periods in GHI Measurements. Solar Energy. https://www.osti.gov/biblio/1106602 Publication ID: 35108
  • Hansen, C. (2013). Estimation of Parameters for Single Diode Models Using Measured IV Curves [Conference]. https://www.osti.gov/biblio/1083683 Publication ID: 34044
  • Hansen, C., Riley, D., & Riley, D. (2013). Determining Coefficients for the Sandia Array Performance Model [Conference]. https://www.osti.gov/biblio/1079168 Publication ID: 33525
  • Hansen, C., Stein, J., & Stein, J. (2013). 2nd PV Performance Modeling WorkshopSummary and Closing Remarks [Presentation]. https://www.osti.gov/biblio/1661114 Publication ID: 33527
  • Hansen, C. (2013). Results of Parameter Estimation Exercise [Conference]. https://www.osti.gov/biblio/1079170 Publication ID: 33529
  • Hansen, C., Mattie, P., Sallaberry, C., Sevougian, S., & Sevougian, S. (2013). Assessment of Compliance with Ground Water Protection Standards in the 2008 Performance Assessment for the Proposed High-Level Radioactive Waste Repository at Yucca Mountain Nevada. Proposed for publication in Reliability Engineering and System Safety.. https://www.osti.gov/biblio/1063329 Publication ID: 31205
  • Sallaberry, C., Hansen, C., & Hansen, C. (2013). Expected Dose and Associated Uncertainty and Sensitivity Analysis Results for All Scenario Classes in the 2008 Performance Assessment for the Proposed High-Level Radioactive Waste Repository at Yucca Mountain Nevada. Proposed for publication in Reliability Engineering and System Safety.. https://www.osti.gov/biblio/1063332 Publication ID: 31210
  • Hansen, C., Mattie, P., Sallaberry, C., Sevougian, S., & Sevougian, S. (2013). Expected Dose and Associated Uncertainty and Sensitivity Analysis Results for the Human Intrusion Scenario in the 2008 Performance Assessment for the Proposed High-Level Radioactive Waste Repository at Yucca Mountain Nevada. Proposed for publication in Reliability Engineering and System Safety.. https://www.osti.gov/biblio/1063516 Publication ID: 31213
  • Hansen, C., Naugle, A., Mattie, P., Sallaberry, C., Sevougian, S., & Sevougian, S. (2013). Uncertainty and Sensitivity Analysis for the Seismic Scenario Classes in the 2008 Performance Assessment for the Proposed High-Level Radioactive Waste Repository at Yucca Mountain Nevada. Proposed for publication in Reliability Engineering and System Safety.. https://www.osti.gov/biblio/1063411 Publication ID: 31294
  • Hansen, C., Sallaberry, C., & Sallaberry, C. (2013). Expected Dose for the Seismic Scenario Classes in the 2008 Performance Assessment for the Proposed High-Level Radioactive Waste Repository at Yucca Mountain Nevada. Proposed for publication in Reliability Engineering and System Safety.. https://www.osti.gov/biblio/1063517 Publication ID: 31307
  • Sallaberry, C., Naugle, A., Hansen, C., Mattie, P., Sevougian, S., & Sevougian, S. (2013). Uncertainty and Sensitivity Analysis for the Igneous Scenario Classes in the 2008 Performance Assessment for the Proposed High-Level Radioactive Waste Repository at Yucca Mountain Nevada. Proposed for publication in Reliability Engineering and System Safety.. https://www.osti.gov/biblio/1063353 Publication ID: 31321
  • Hansen, C., Sallaberry, C., & Sallaberry, C. (2013). Expected Dose for the Igneous Scenario Classes in the 2008 Performance Assessment for the Proposed High-Level Radioactive Waste Repository at Yucca Mountain Nevada. Proposed for publication in Reliability Engineering and System Safety.. https://www.osti.gov/biblio/1063525 Publication ID: 31322
  • Sallaberry, C., Hansen, C., & Hansen, C. (2013). Expected Dose for the Nominal Scenario Class in the 2008 Performance Assessment for the Proposed High-Level Radioactive Waste Repository at Yucca Mountain Nevada. Proposed for publication in Reliability Engineering and System Safety.. https://www.osti.gov/biblio/1063555 Publication ID: 31330
  • Hansen, C., Sallaberry, C., & Sallaberry, C. (2013). Expected Dose for the Early Failure Scenario Classes in the 2008 Performance Assessment for the Proposed High-Level Radioactive Waste Repository at Yucca Mountain Nevada. Proposed for publication in Reliability Engineering and System Safety.. https://www.osti.gov/biblio/1063458 Publication ID: 31331
  • Hansen, C., Naugle, A., Mattie, P., Sallaberry, C., Sevougian, S., & Sevougian, S. (2013). Uncertainty and Sensitivity Analysis for the Early Failure Scenario Classes in the 2008 Performance Assessment for the Proposed High-Level Radioactive Waste Repository at Yucca Mountain Nevada. Proposed for publication in Reliability Engineering and System Safety.. https://www.osti.gov/biblio/1063320 Publication ID: 31355
  • Hansen, C., Olszewska-Wasiolek, M., Bryan, C., Hardin, E., Jarek, R., Mariner, P., Mattie, P., Sassani, D., Sevougian, S., Stein, J., & Stein, J. (2013). Overview of Total System Model Used for the 2008 Performance Assessment for the Proposed High-Level Radioactive Waste Repository at Yucca Mountain Nevada. Proposed for publication in Reliability Engineering and System Safety.. https://www.osti.gov/biblio/1063437 Publication ID: 31447
  • Hansen, C., Swift, P., & Swift, P. (2012). Guest Editorial: Performance Assessment for the Proposed High-Level Radioactive Waste Repository at Yucca Mountain Nevada. Proposed for publication in Reliability Engineering and System Safety.. https://www.osti.gov/biblio/1063312 Publication ID: 26601
  • Helton, J.C., Hansen, C., Sallaberry, C., & Sallaberry, C. (2012). Uncertainty and sensitivity analysis in performance assessment for the proposed high-level radioactive waste repository at Yucca Mountain, Nevada [Conference]. Reliability Engineering and System Safety. https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84866312095&origin=inward Publication ID: 18264
  • Hansen, C. (2012). Conceptual Structure and Computational Organization of the 2008 Performance Assessment for the Proposed High-Level Radioactive Waste Repository at Yucca Mountain Nevada. Proposed for publication in Reliability Engineering and System Safety.. https://www.osti.gov/biblio/1072505 Publication ID: 31064
  • Swift, P., Knowles, M., McNeish, J., Hansen, C., MacKinnon, R., Sevougian, S., & Sevougian, S. (2012). Summary Discussion of the 2008 Performacne Assessment for the Proposed High-Level Radioactive Waste Repository at Yucca Mountain Nevada. Proposed for publication in Reliability Engineering and System Safety.. https://www.osti.gov/biblio/1063337 Publication ID: 31154
  • Hansen, C., Luketa-Hanlin, A., & Luketa-Hanlin, A. (2012). Simulation of photovoltaic power output for the Salt River Project integration study. https://doi.org/10.2172/1059474 Publication ID: 31157
  • Hansen, C. (2012). Validation of simulated irradiance and power for the Western Wind and Solar Integration Study. Phase II. https://doi.org/10.2172/1055649 Publication ID: 30400
  • Hansen, C. (2012). Advanced Solar Resource Modeling and Analysis [Presentation]. https://www.osti.gov/biblio/1647782 Publication ID: 29757
  • Hansen, C. (2012). Annual Performance Predictions: Variability Uncertainty and Confidence [Conference]. https://www.osti.gov/biblio/1064120 Publication ID: 28958
  • Stein, J., Hansen, C., Reno, M., & Reno, M. (2012). The Variability Index: A New and Novel Metric for Quantifying Irradiance and PV Output Variability [Conference]. https://www.osti.gov/biblio/1078490 Publication ID: 27873
  • Stein, J., Hansen, C., Reno, M., & Reno, M. (2012). THE VARIABILITY INDEX: A NEW AND NOVEL METRIC FOR QUANTIFYING IRRADIANCE AND PV OUTPUT VARIABILITY [Conference]. https://www.osti.gov/biblio/1068417 Publication ID: 27172
  • Stein, J.S., Ellis, A., Hansen, C., Chadliev, V., & Chadliev, V. (2011). Simulation of 1-minute power output from utility-scale photovoltaic generation systems [Conference]. 40th ASES National Solar Conference 2011, SOLAR 2011. https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84867017674&origin=inward Publication ID: 21870
  • Stein, J., Lave, M., Ellis, A., Hansen, C., & Hansen, C. (2011). Analysis of 2 MW of Residential PV Feeder in Ota City Japan [Presentation]. https://www.osti.gov/biblio/1661428 Publication ID: 25539
  • Ellis, A., Lave, M., Stein, J., Hansen, C., & Hansen, C. (2011). Ota City : characterizing output variability from 553 homes with residential PV systems on a distribution feeder. https://doi.org/10.2172/1035324 Publication ID: 25540
  • Lave, M., Stein, J., Ellis, A., Hansen, C., & Hansen, C. (2011). Modeling Solar Power Plant Variability: Benefits of Geographic Smoothing at Various Timescales [Presentation]. https://www.osti.gov/biblio/1664658 Publication ID: 24716
  • Stein, J., Hansen, C., Ellis, A., & Ellis, A. (2011). Estimating Annual Synchronized 1-min Power Output Profiles from Utility-Scale PV Plants at 10 locations in Nevada for a Solar Grid Integration Study [Conference]. https://www.osti.gov/biblio/1106806 Publication ID: 24717
  • Stein, J., Ellis, A., Hansen, C., & Hansen, C. (2011). Simulating Solar Power Plant Variability for Grid Studies: A Wavelet-based Variability Model [Conference]. https://www.osti.gov/biblio/1118500 Publication ID: 24769
  • Hansen, C., Swift, P., Hardin, E., MacKinnon, R., Sassani, D., Sevougian, S.D., & Sevougian, S.D. (2011). Potential impacts of alternative waste forms on long-term performance of geological repositories for radioactive waste [Conference]. 13th International High-Level Radioactive Waste Management Conference 2011, IHLRWMC 2011. https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=80051998327&origin=inward Publication ID: 18484
  • Stein, J., Hansen, C., Ellis, A., & Ellis, A. (2011). ESTIMATING ANNUAL SYNCHRONIZED 1-MIN POWER OUTPUT PROFILES FROM UTILITY-SCALE PV PLANTS AT 10 LOCATIONS IN NEVADA FOR A SOLAR GRID INTEGRATION STUDY [Conference]. https://www.osti.gov/biblio/1106072 Publication ID: 24149
  • Schoenwald, D., Richardson, B., Riehm, A., Wolfenbarger, P., Adams, B., Reno, M., Hansen, C., Oldfield, R., Stamp, J., Stein, J., Hoekstra, R., Munoz-Ramos, K., McLendon, W., Russo, T., Phillips, L., & Phillips, L. (2011). Final report for %22High performance computing for advanced national electric power grid modeling and integration of solar generation resources%22, LDRD Project No. 149016. https://doi.org/10.2172/1011206 Publication ID: 21604
  • Stein, J., Hansen, C., & Hansen, C. (2011). Evaluation of PV Performance Models and Their Impact on Project Risk [Conference]. https://www.osti.gov/biblio/1140949 Publication ID: 21401
  • Stein, J., Hansen, C., & Hansen, C. (2010). Evaluation of PV performance models and their impact on project risk [Conference]. https://www.osti.gov/biblio/1039012 Publication ID: 21093
  • Hansen, C., Stein, J., Ellis, A., & Ellis, A. (2010). Statistical criteria for characterizing irradiance time series. https://doi.org/10.2172/1002108 Publication ID: 20389
  • Stein, J., Ellis, A., Hansen, C., & Hansen, C. (2010). PV Output Profiles for NV Energy Grid Integration Study [Presentation]. https://www.osti.gov/biblio/1675195 Publication ID: 20036
  • Hansen, C., LaChance, J.L., & LaChance, J.L. (2010). Assessment of methodologies for analysis of the dungeness B accidental aircraft crash risk. https://doi.org/10.2172/1008107 Publication ID: 20091
  • Hansen, C. (2010). Overview of Safety Assessment Methods [Presentation]. https://www.osti.gov/biblio/1678940 Publication ID: 18583
  • Hansen, C., Sallaberry, C., & Sallaberry, C. (2010). Performance assessments for the geologic disposal of radioactive waste : conceptual structure [Conference]. https://www.osti.gov/biblio/1000996 Publication ID: 17884
  • Hansen, C. (2010). Correction for instrument time constant in determination of reaction kinetics. Proposed for publication in the Journal of Physical Chemistry.. https://www.osti.gov/biblio/984104 Publication ID: 17299
  • Hansen, C. (2009). Treatment of Model Uncertainty [Conference]. https://www.osti.gov/biblio/1142244 Publication ID: 16808
  • Hansen, C. (2009). Waste Form Modeling:Status and Needs for Future Waste Forms [Presentation]. https://www.osti.gov/biblio/1696900 Publication ID: 15587
  • Hansen, C. (2008). Performance Assessment for the Proposed Yucca Mountain Repository [Conference]. https://www.osti.gov/biblio/1142751 Publication ID: 14900
  • Hansen, C. (2008). Total System Performance Assessment Results [Presentation]. https://www.osti.gov/biblio/1712656 Publication ID: 13176
  • Hansen, C. (2004). Use of risk assessment methods to evaluate the performance of a deep geologic repository [Conference]. https://www.osti.gov/biblio/886659 Publication ID: 3398
Showing 10 of 152 publications.