2024 18th PV Performance Modeling Workshop
Salt Lake City, Utah USA
Day 1: Tuesday May 7, 2024
1. Complexities in PV Modeling
Tracking Higher Electricity Prices (2484 downloads ) | Adam Jensen | Technical University of Denmark | |
2023 PVPMC Blind Modeling Comparison Update (2603 downloads ) | Lelia Deville | Sandia National Laboratories | |
Modeling hybrid PV/CSP/ES systems for 100% Carbon Free Electricity to Load (2397 downloads ) | Jennifer Braid | Sandia National Laboratories |
2. Site and Design Impacts and Derates

Building an Advanced Soiling Loss Model with AI and Ground-Level Data (2153 downloads ) | Catlin Mattheis | Fracsun | |
Energy Impact of Different Solar Tracker Wind Stow Strategies (2484 downloads ) | Kendra Conrad | Array Technologies | |
An approach to modeling linear and non-linear self-shading losses with pvlib (2471 downloads ) | Will Hobbs | Southern Company | |
An Updated Modeling Framework for Technology and Market Specific Shading Impacts on Annual Energy Yield (2509 downloads ) | Kiran Balasubramanian | Maxeon Solar Technologies | |
Near Shading Reduction of Diffuse Sky Irradiance and the Impact on PV Plant Performance (2514 downloads ) | Adam Kankiewicz | Origis Energy |

3. Posters (posters will be added as they are received)

4. Modeling Snow Effects on PV Systems
Modeling the Performance of PV Systems in Northern Latitudes (2155 downloads ) | Laurie Burnham | Sandia National Laboratories | |
ERA5 vs. NOAA in Calculated Snow Losses for PV (2455 downloads ) | Usgal Zandanbal | DNV | |
Accurate Modeling of Albedo in Winter: Snow is an Ever-Changing Substrate (2391 downloads ) | Daniel Riley | Sandia National Laboratories | |
Observations Snow Shedding from Single-Axis Tracking PV Systems, Implications for Resource Adequacy (2462 downloads ) | Ana Dyreson | Michigan Technical University | |
RTC Michigan Experiments - Bifacial and Module Orientation Snow Loss Modeling (2026 downloads ) | Norman Jost | Sandia National Laboratories |
5. PVPMC Activities
Sandia’s PV Performance Modeling Project Priorities for FY25-27 (2358 downloads ) | Marios Theristis | Sandia National Laboratories | |
PV Atlas: charting a course to geographic insights for PV performance modeling (2565 downloads ) | Kevin Anderson | Sandia National Laboratories | |
DOE Solar PV Data and Modeling Initiatives (2367 downloads ) | Noreen Gentry | DOE Solar Energy Technologies Office |

Day 2: Wednesday May 8, 2024
6. Underperformance and Analytics for PV Plants
Outcomes of Actual Environment Demonstration of Fault Diagnostic Loss Factors and Trend-Beased Loss Predictive Maintenance for Utility-Scale Photovoltaic Systems (2335 downloads ) | Jürgen Sutterlüti | Gartner Instruments | |
A Practical Approach to Comparing Actual and Budgeted Production of Solar Sites: Solar Waterfall Analysis (2431 downloads ) | Anjie Jiang | Univers | |
Estimation of Soiling Loss in Utility-Scale PV Plants from Production Data (2520 downloads ) | Karel De Brabandere | 3E | |
Evaluating PV Power Plant DC Performance (2443 downloads ) | Jim Crimmins | CFV Labs | |
Advancing Technoeconomic Modeling of Hail Risk and Resilience (2305 downloads ) | Jon Previtali and Bodo Littmann | VDE Americas |
7. P90 and the Financial Value of Accurate Modelling
P90 and the financial value of accurate modelling (2431 downloads ) | Keith McIntosh | PV Lighthouse | |
Financier’s View on Solar Uncertainty Analysis (2644 downloads ) | Ken Elser | Wells Fargo | |
P90 and the Financial Value of Accurate Modeling - Independent Engineer’s Perspective (2512 downloads ) | Mark Reusser | ICF | |
P90 Impacts for Long-term Operators (2357 downloads ) | Emily Greeno | Avangrid | |
Accurate Modeling Value to IPP (2494 downloads ) | Armando Solis | Lightsource BP | |
Uncertainty in P90 of Energy Yield (2417 downloads ) | Clifford Hansen | Sandia National Laboratories |

8. Solar Resource Assessment
New Capabilities in the National Solar Radiation Database (NSRDB) (2339 downloads ) | Manajit Sengupta | National Renewable Energy Laboratory | |
Improving Performance Ratio Calculations by Optimizing Front POA Irradiance Sensor Position (2469 downloads ) | Damon Nitzel | OTT HydroMet | |
Introducing an Improved SolarAnywhere® Historical Irradiance Product (2410 downloads ) | Marc Perez | Clean Power Research | |
How much weather and resource data is enough? (2408 downloads ) | Laura Hinkelman | Black & Veatch | |
What to Consider for Improved Accuracy and Reduced Uncertainty in Resource Measurement Campaigns (2261 downloads ) | Annalise Miller | Luminate LLC | |
Gap-Filling Ground Measurements of Solar Irradiance (2394 downloads ) | Alex Bryan | GroundWork Renewables |

9. Open Source Software and Applications
Solar Data Tools Version 1 Release, Features, Applications, and Future Work (2397 downloads ) | Bennet Meyers | SLAC National Accelerator Laboratory | |
RdTools 3.0 (2214 downloads ) | Michael Deceglie | National Renewable Energy Laboratory | |
Enterprise wide pvlib Implementation (2333 downloads ) | Ishtiza Azad and Andrew deRussy | Southern Company | |
The “PVLib” of Degradation: PVDEG (2362 downloads ) | Michael Kempe | National Renewable Energy Laboratory | |
A Uniform Taxonomy for PV System Operations and Maintenance Data (2699 downloads ) | Clifford Hansen | Sandia National Laboratories |
Day 3: Thursday May 9, 2024
10. Spectral Modeling
Module losses due to cell-level EQE variation (2368 downloads ) | Rajiv Daxini | University of Nottingham | |
Simple Photovoltaic Spectral Correction Model Based on FARMS-NIT Modeled Spectra (2380 downloads ) | Alan Curran | First Solar | |
The Uncertainty in Yield Forecasts Due to the Ever-Changing Solar Spectrum (2371 downloads ) | Keith McIntosh | PV Lighthouse |
11. Modeling Updates from Industry
Modeling of Advanced Solar Tracking Algorithms with PVcase Yield (2442 downloads ) | Andres Calcabrini | PVcase | |
Updates in the Upcoming PVsyst Versions (2499 downloads ) | Michele Oliosi | PVsyst SA | |
Progress and Lessons Learned in the Development of the 3D Energy Yield Calculation Model (2403 downloads ) | Félix Ignacio Pérez Cicala | RatedPower | |
Tackling the Terrain: Custom Tracking Algorithms in Solar PV Plants on Complex Terrain (2568 downloads ) | Javier Lopez-Lorente | DNV | |
Interpolation Strategies for 3D Shading (2390 downloads ) | Kurt Rhee | Terabase Energy |
12. O&M Harmonization
Clifford Hansen and Marios Theristis | Sandia National Laboratories |
Parallel Sessions
pvlib python: Updates and Users Group Meeting (2485 downloads ) | Kevin Anderson & Adam Jensen | Sandia & DTU | |
Recent and Planned Improvements to the System Advisor Model (SAM) (2409 downloads ) | Brian Mirletz & Matthew Prilliman | NREL | |
pvcaptest Training Session (2358 downloads ) | Ben Taylor | Tailored Data Consulting | |
Getting Started with PVfit (2361 downloads ) | Mark Campanelli | Intelligent Measurement Systems LLC |