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14 2017.05.05 freeman 8th pvpmc sam updates


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8th PVPMC Workshop, May 9-10 2017

Published in: Technology
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14 2017.05.05 freeman 8th pvpmc sam updates

  1. 1. Recent and Planned Improvements to the System Advisor Model Janine Freeman 8th PV Performance Modeling Workshop Santa Ana Pueblo, New Mexico May 9, 2017
  2. 2. 2 Free software that combines detailed performance and financial models to estimate the cost of energy for systems System Advisor Model (SAM) Technologies Photovoltaics, detailed & PVWatts Battery storage Concentrating solar power Wind Geothermal Biomass Solar water heating Financials Behind-the-meter residential commercial Power purchase agreements single owner equity flips sale-leaseback Simple LCOE calculator System Advisor Model
  3. 3. Detailed PV Model Updates
  4. 4. 4 • Inverter coefficient calculator • Simple transformer loss model • Seasonal fixed tilt • Curtailment schedules and daily losses for the system lifetime on both DC and AC side Detailed PV Model Updates System Advisor Model
  5. 5. 5 Programmatically create and edit complex 3D scenes and extract shading data, mimic tracking systems or seasonally tilted systems Scripting in the 3D Shading Model System Advisor Model
  6. 6. 6 New code generator converts SAM inputs into LK, MATLAB, Python, Java, PHP, C#, orVBA code for use with the SAM SDK. Code Generator System Advisor Model
  7. 7. Financial Model Improvements
  8. 8. 8 Financial Model Improvements System Advisor Model • Hourly or subhourly sell rates • Fixed principal/declining interest loan payback option • Return on Equity input for international locations
  9. 9. 9 Value of RE Macro System Advisor Model • Improved battery financial macro to better represent the value of a renewable energy system • Additional present value metrics to make it easier to identify significant costs • Make results easier to interpret intuitively • Model “rate switching” scenarios
  10. 10. New Features in Battery Storage
  11. 11. 11 DC Batteries System Advisor Model
  12. 12. 12 Batteries in PVWatts System Advisor Model • Four inputs • Automatic dispatch • Automatic cell sizing • Two chemistry options
  13. 13. 13 Expanded Battery Capabilities System Advisor Model Vanadium Redox Flow Batteries Utility Scale Batteries
  14. 14. Coming soon…
  15. 15. 15 Upcoming Additions System Advisor Model • Photovoltaic Reliability & Performance Model (PVRPM)- Geoff Klise • iOS and Android SDK • Improved IEC 61853 module model • Access all of NREL’s weather data through a single API
  16. 16. 16 This summer, we will be open-sourcing the SAM project under a permissive license. • Ultimate code transparency • Ability for users to modify/add capabilities to better suit their particular modeling needs • Greater collaboration with industry through user contributions Open-Sourcing SAM System Advisor Model
  17. 17. Our team Janine Freeman Project lead, Photovoltaic and wind models Nick DiOrio Code architecture, Battery storage models Nate Blair Emeritus lead, financials, costs, systems Steve Janzou Programming, utility rate structures (subcontractor) Paul Gilman User support and documentation (subcontractor) Ty Neises Concentrating solar power models Mike Wagner Concentrating solar power models