feat: add inflation calculator function

Breakthrough-Energy · Oct 15, 2020 · d66f26e · d66f26e
1 parent c575e73
commit d66f26e
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Showing 2 changed files with 25 additions and 1 deletion.
diff --git a/powersimdata/design/investment/__init__.py b/powersimdata/design/investment/__init__.py
@@ -1 +1 @@
-__all__ = ["const", "create_mapping_files", "investment_costs"]
+__all__ = ["const", "create_mapping_files", "inflation", "investment_costs"]
diff --git a/powersimdata/design/investment/inflation.py b/powersimdata/design/investment/inflation.py
@@ -0,0 +1,24 @@
+inflation_rate_pct = {
+    2010: 1.5,
+    2011: 3.0,
+    2012: 1.7,
+    2013: 1.5,
+    2014: 0.8,
+    2015: 0.7,
+    2016: 2.1,
+    2017: 2.1,
+    2018: 1.9,
+    2019: 2.3,
+    2020: 1.3,
+}
+
+
+def calculate_inflation(start_year, end_year):
+    if start_year not in inflation_rate_pct:
+        raise ValueError
+    if (end_year - 1) not in inflation_rate_pct:
+        raise ValueError
+    factor = 1
+    for i in range(start_year, end_year):
+        factor *= 1 + (inflation_rate_pct[i] / 100)
+    return factor
Original file line number	Diff line number	Diff line change
		@@ -1 +1 @@
		__all__ = ["const", "create_mapping_files", "investment_costs"]
		__all__ = ["const", "create_mapping_files", "inflation", "investment_costs"]