diff --git a/input/impulse_response_function.xlsx b/input/impulse_response_function.xlsx
deleted file mode 100644
index 4cf8d17..0000000
Binary files a/input/impulse_response_function.xlsx and /dev/null differ
diff --git a/input/technology_ramping_cost.xlsx b/input/technology_ramping_cost.xlsx
deleted file mode 100644
index 2540297..0000000
Binary files a/input/technology_ramping_cost.xlsx and /dev/null differ
diff --git a/input/technology_startup_cost.xlsx b/input/technology_startup_cost.xlsx
deleted file mode 100644
index 5d44cb4..0000000
Binary files a/input/technology_startup_cost.xlsx and /dev/null differ
diff --git a/input/transmission_fixed_OM_cost.xlsx b/input/transmission_line_fixed_OM_cost.xlsx
similarity index 100%
rename from input/transmission_fixed_OM_cost.xlsx
rename to input/transmission_line_fixed_OM_cost.xlsx
diff --git a/params.json b/params.json
index 1f44dda..92eb6b9 100644
--- a/params.json
+++ b/params.json
@@ -263,8 +263,8 @@
         "first_col_only": false,
         "drop_na": true
     },
-    "transmission_fixed_OM_cost": {
-        "file_name": "transmission_fixed_OM_cost",
+    "transmission_line_fixed_OM_cost": {
+        "file_name": "transmission_line_fixed_OM_cost",
         "index_cols": [0],
         "header_rows": [0],
         "unstack_levels": [0],
diff --git a/prepshot/rules.py b/prepshot/rules.py
index c3381bb..6950f92 100644
--- a/prepshot/rules.py
+++ b/prepshot/rules.py
@@ -79,7 +79,7 @@ def fix_cost_rule(self, model):
             pyomo.core.base.PyomoModel.ConcreteModel: Model with fixed O&M cost of technologies and transmission line constraints.
         """
         fix_cost_tech = sum(self.para['technology_fixed_OM_cost'][te, y] * model.cap_existing[y, z, te] * self.para['fix_factor'][y] for y, z, te in model.year_zone_tech_tuples)
-        fix_cost_line = 0.5 * sum(self.para['transmission_fixed_OM_cost'][z, z1] * model.cap_lines_existing[y, z, z1] * self.para['fix_factor'][y] for y, z1, z in model.year_zone_zone_tuples)
+        fix_cost_line = 0.5 * sum(self.para['transmission_line_fixed_OM_cost'][z, z1] * model.cap_lines_existing[y, z, z1] * self.para['fix_factor'][y] for y, z1, z in model.year_zone_zone_tuples)
         return model.cost_fix == fix_cost_tech + fix_cost_line