diff --git a/hdvModel.py b/hdvModel.py
new file mode 100644
index 0000000..db9e6fd
--- /dev/null
+++ b/hdvModel.py
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+#Main HDV model script
+#Function inputs and outputs should be pandas dataframes (dfs) where appropriate
+
+def runHDV():
+  setKeyParameters()  
+  prepareInputs()
+  runOptimization()
+  analyzeResults()
+  pass
+
+#This function sets key parameters we will later vary in sensitivity analyses
+def setKeyParameters():
+  pass
+
+#Returns dfs for inputs to optimization model
+def prepareInputs():
+  getTransmissionData() #returns transmission interconnection costs, lengths, etc.
+  getSMRData() #returns SMR parameters
+  getSolarData() #returns solar parameters
+  getStorageData() #returns storage parameters
+  getHydrogenData() #returns hydrogen parameters
+  
+def runOptimization():
+  formulateModel()
+  solveModel()
+  
+def analyzeResults():
+  pass
+