1. ©GoldSim Technology Group LLC., 2012 Modeling Reservoir Storage Rights Jason Lillywhite May 2012 Webinar

2. ©GoldSim Technology Group LLC., 2012 Agenda Storage accounts Allocation logic Dynamic prioritization Minimizing shortages

3. ©GoldSim Technology Group LLC., 2012 Considerations Modeling storage rights is complex Many factors to consider –Different uses –Planning for future drought –Flood control Some region’s storage policies not yet fully defined (i.e. Texas)

4. ©GoldSim Technology Group LLC., 2012 Paper Storage Accounts Storage A Storage B Storage C Storage D NameFlow (m3/d) Storage (m3) Storage A12 Storage B33 Storage C21 Storage D24 Storage Rights Represented as a Vector Reservoir

5. ©GoldSim Technology Group LLC., 2012 Diversion Water Rights Hydrology Diversion capacity Water right Dynamic

6. ©GoldSim Technology Group LLC., 2012 Storage Water Rights Reservoir losses –Evaporation –Seepage Dynamic priorities –Relative to current filling status Discrete event exchanges

7. ©GoldSim Technology Group LLC., 2012 Represent Accounts as Shares Total flow and volume capacity Each account represents a portion of the total Allow for the last account to take the remainder

8. ©GoldSim Technology Group LLC., 2012 Example Flow Network Upstream Reservoir Downstream

9. ©GoldSim Technology Group LLC., 2012 Go to the GoldSim example…