Include energy_cost post_process

Author: pesap

switch_model/wecc/get_inputs/post_process_steps/energy_cost.py

@@ -0,0 +1,49 @@
+# Standard packages
+import os
+import shutil
+
+# Third-party packages
+import pandas as pd
+
+from switch_model.wecc.get_inputs.register_post_process import register_post_process
+
+
+@register_post_process(
+    msg="Change energy cost for storage candidate",
+)
+def post_process(config, func_config):
+
+    percentage = int(func_config["percentage"])/100
+    dtype = {"GENERATION_PROJECT": str}
+    df = pd.read_csv("generation_projects_info.csv", dtype=dtype)
+    costs = pd.read_csv("gen_build_costs.csv", dtype=dtype)
+    predetermined = pd.read_csv("gen_build_predetermined.csv",dtype=dtype)
+
+    gen_projects = df.merge(
+      costs,
+      on="GENERATION_PROJECT",
+    )
+
+    gen_projects = gen_projects.merge(
+      predetermined,
+      on=["GENERATION_PROJECT", "build_year"],
+      how="left"  # Makes a left join
+    )
+
+    # Get candiate technology only
+    candidate = gen_projects.query("build_year == 2050").query("gen_tech =='Battery_Storage'")
+
+    # Get canidate generation project id
+    candidate_ids = candidate["GENERATION_PROJECT"].values
+
+
+    gen_cost_mwh = costs.loc[costs["GENERATION_PROJECT"].isin(candidate_ids),
+                             "gen_storage_energy_overnight_cost"].astype(float)
+
+    # Set to zero column that allows technology to provide reserves
+    costs.loc[
+        costs["GENERATION_PROJECT"].isin(candidate_ids), "gen_storage_energy_overnight_cost"
+    ] = gen_cost_mwh * percentage
+
+    # Save file again
+    costs.to_csv("gen_build_costs.csv", index=False)