diff --git a/costs/cost.py b/costs/cost.py
index 5911236..37b244d 100644
--- a/costs/cost.py
+++ b/costs/cost.py
@@ -136,15 +136,29 @@ class Cost:
       life_cycle_operational_costs,
       life_cycle_maintenance_costs,
       life_cycle_operational_incomes,
-      life_cycle_capital_incomes
+      life_cycle_capital_incomes,
+      global_capital_costs,
+      global_capital_incomes,
+      global_end_of_life_costs,
+      global_operational_costs,
+      global_maintenance_costs,
+      global_operational_incomes
     ]
 
-    results.index = ['total_capital_costs_skin',
-                     'total_capital_costs_systems',
-                     'end_of_life_costs',
-                     'total_operational_costs',
-                     'total_maintenance_costs',
-                     'operational_incomes',
-                     'capital_incomes']
+    results.index = [
+      'total_capital_costs_skin',
+      'total_capital_costs_systems',
+      'end_of_life_costs',
+      'total_operational_costs',
+      'total_maintenance_costs',
+      'operational_incomes',
+      'capital_incomes',
+      'global_capital_costs',
+      'global_capital_incomes',
+      'global_end_of_life_costs',
+      'global_operational_costs',
+      'global_maintenance_costs',
+      'global_operational_incomes'
+    ]
 
     return results
diff --git a/costs/peak_load.py b/costs/peak_load.py
index dc46d14..b45a085 100644
--- a/costs/peak_load.py
+++ b/costs/peak_load.py
@@ -39,15 +39,14 @@ class PeakLoad:
       for thermal_zone in self._building.internal_zones[0].thermal_zones:
         lighting = thermal_zone.lighting
         for schedule in lighting.schedules:
-          for value in schedule.values:
-            if value * lighting.density * thermal_zone.total_floor_area > peak_lighting:
-              peak_lighting = value * lighting.density * thermal_zone.total_floor_area
+          peak = max(schedule.values) * lighting.density * thermal_zone.total_floor_area
+          if peak > peak_lighting:
+            peak_lighting = peak
         appliances = thermal_zone.appliances
         for schedule in appliances.schedules:
-          for value in schedule.values:
-            if value * appliances.density * thermal_zone.total_floor_area > peak_appliances:
-              peak_appliances = value * appliances.density * thermal_zone.total_floor_area
-
+          peak = max(schedule.values) * appliances.density * thermal_zone.total_floor_area
+          if peak > peak_appliances:
+            peak_appliances = peak
       monthly_electricity_peak = [0.9 * peak_lighting + 0.7 * peak_appliances] * 12
       conditioning_peak = []
       for i, value in enumerate(self._building.heating_peak_load[cte.MONTH]):
diff --git a/tests/unit_tests.py b/tests/unit_tests.py
index 64f2140..c70a4c0 100644
--- a/tests/unit_tests.py
+++ b/tests/unit_tests.py
@@ -1,3 +1,4 @@
+import datetime
 import glob
 import os
 import subprocess
@@ -25,6 +26,7 @@ class Initialize:
   @property
   def city(self):
     if self._city is None:
+      start = datetime.datetime.now()
       print('init tests')
       city_file = (Path(__file__).parent / 'data/test.geojson').resolve()
       output_path = (Path(__file__).parent / 'output').resolve()
@@ -50,7 +52,7 @@ class Initialize:
         subprocess.run(['insel', str(insel_file)], stdout=subprocess.DEVNULL)
       ResultFactory('insel_monthly_energy_balance', city, output_path).enrich()
       self._city = city
-      print('init completed')
+      print(f'init completed {datetime.datetime.now() - start}')
     return self._city