diff --git a/docs/jupyter_notebooks/e3_export_ibpsa_models.ipynb b/docs/jupyter_notebooks/e3_export_ibpsa_models.ipynb
index bb74b0068..833a70d62 100644
--- a/docs/jupyter_notebooks/e3_export_ibpsa_models.ipynb
+++ b/docs/jupyter_notebooks/e3_export_ibpsa_models.ipynb
@@ -3,7 +3,7 @@
         {
             "cell_type": "markdown",
             "metadata": {},
-            "source": "# Example 3: Export Modelica models for IBPSA library using TEASER API\nThis module contains an example how to export buildings from a TEASER\nproject to ready-to-run simulation models for Modelica library IBPSA. These\nmodels simulate in Dymola, OpenModelica and JModelica.\nYou can run this example using the [jupyter-notebook](https://mybinder.org/v2/gh/RWTH-EBC/TEASER/main?labpath=docs%2Fjupyter_notebooks)\n"
+            "source": "# Example 3: Export Modelica models for IBPSA library using TEASER API\nThis module contains an example how to export buildings from a TEASER\nproject to ready-to-run simulation models for Modelica library IBPSA. These\nmodels should simulate in Dymola, OpenModelica and JModelica.\nYou can run this example using the [jupyter-notebook](https://mybinder.org/v2/gh/RWTH-EBC/TEASER/main?labpath=docs%2Fjupyter_notebooks)\n"
         },
         {
             "cell_type": "code",
diff --git a/docs/source/examples/e3_export_ibpsa_models.md b/docs/source/examples/e3_export_ibpsa_models.md
index 8caf1b035..81d9d0485 100644
--- a/docs/source/examples/e3_export_ibpsa_models.md
+++ b/docs/source/examples/e3_export_ibpsa_models.md
@@ -2,7 +2,7 @@
 # Example 3: Export Modelica models for IBPSA library using TEASER API
 This module contains an example how to export buildings from a TEASER
 project to ready-to-run simulation models for Modelica library IBPSA. These
-models simulate in Dymola, OpenModelica and JModelica.
+models should simulate in Dymola, OpenModelica and JModelica.
 You can run this example using the [jupyter-notebook](https://mybinder.org/v2/gh/RWTH-EBC/TEASER/main?labpath=docs%2Fjupyter_notebooks)
 
 ```python
diff --git a/teaser/data/output/modelicatemplate/IBPSA/IBPSA_FourElements b/teaser/data/output/modelicatemplate/IBPSA/IBPSA_FourElements
index f9b6eef82..38975e74a 100644
--- a/teaser/data/output/modelicatemplate/IBPSA/IBPSA_FourElements
+++ b/teaser/data/output/modelicatemplate/IBPSA/IBPSA_FourElements
@@ -13,12 +13,10 @@ model ${zone.parent.name}_${zone.name}
   ${library}.BoundaryConditions.SolarIrradiation.DiffusePerez HDifTil[${min_orientations(zone.model_attr.n_outer)}](    each outSkyCon=true,
     each outGroCon=true,
     til=${get_list(deg_to_rad(zone.model_attr.tilt_facade))},
-    each lat = ${deg_to_rad(zone.parent.latitude)},
     azi = ${get_list(azmiut_conv(zone.model_attr.orientation_facade))})
     "Calculates diffuse solar radiation on titled surface for all directions"
     annotation (Placement(transformation(extent={{-68,20},{-48,40}})));
   ${library}.BoundaryConditions.SolarIrradiation.DirectTiltedSurface HDirTil[${min_orientations(zone.model_attr.n_outer)}](    til=${get_list(deg_to_rad(zone.model_attr.tilt_facade))},
-    each lat =  ${deg_to_rad(zone.parent.latitude)},
     azi=${get_list(azmiut_conv(zone.model_attr.orientation_facade))})
     "Calculates direct solar radiation on titled surface for all directions"
     annotation (Placement(transformation(extent={{-68,52},{-48,72}})));
@@ -200,12 +198,10 @@ model ${zone.parent.name}_${zone.name}
     "Sums up solar radiation of both directions"
     annotation (Placement(transformation(extent={{4,76},{14,86}})));
   ${library}.BoundaryConditions.SolarIrradiation.DirectTiltedSurface HDirTilRoof[${min_orientations(zone.model_attr.n_rt)}](    til=${get_list(deg_to_rad(zone.model_attr.tilt_rt))},
-    each lat = ${deg_to_rad(zone.parent.latitude)},
     azi=${get_list(azmiut_conv(zone.model_attr.orientation_rt))})
     "Calculates direct solar radiation on titled surface for both directions"
     annotation (Placement(transformation(extent={{-68,74},{-48,94}})));
   ${library}.BoundaryConditions.SolarIrradiation.DiffusePerez HDifTilRoof[${min_orientations(zone.model_attr.n_rt)}](    til=${get_list(deg_to_rad(zone.model_attr.tilt_rt))},
-    each lat = ${deg_to_rad(zone.parent.latitude)},
     azi=${get_list(azmiut_conv(zone.model_attr.orientation_rt))})
     "Calculates diffuse solar radiation on titled surface for both directions"
     annotation (Placement(transformation(extent={{-68,48},{-48,68}})));
diff --git a/teaser/data/output/modelicatemplate/IBPSA/IBPSA_OneElement b/teaser/data/output/modelicatemplate/IBPSA/IBPSA_OneElement
index 38134403e..f7750f396 100644
--- a/teaser/data/output/modelicatemplate/IBPSA/IBPSA_OneElement
+++ b/teaser/data/output/modelicatemplate/IBPSA/IBPSA_OneElement
@@ -13,12 +13,10 @@ model ${zone.parent.name}_${zone.name}
   ${library}.BoundaryConditions.SolarIrradiation.DiffusePerez HDifTil[${min_orientations(zone.model_attr.n_outer)}](    each outSkyCon=true,
     each outGroCon=true,
     til=${get_list(deg_to_rad(zone.model_attr.tilt_facade))},
-    each lat = ${deg_to_rad(zone.parent.latitude)},
     azi = ${get_list(azmiut_conv(zone.model_attr.orientation_facade))})
     "Calculates diffuse solar radiation on titled surface for all directions"
     annotation (Placement(transformation(extent={{-68,20},{-48,40}})));
   ${library}.BoundaryConditions.SolarIrradiation.DirectTiltedSurface HDirTil[${min_orientations(zone.model_attr.n_outer)}](    til=${get_list(deg_to_rad(zone.model_attr.tilt_facade))},
-    each lat =  ${deg_to_rad(zone.parent.latitude)},
     azi=${get_list(azmiut_conv(zone.model_attr.orientation_facade))})
     "Calculates direct solar radiation on titled surface for all directions"
     annotation (Placement(transformation(extent={{-68,52},{-48,72}})));
diff --git a/teaser/data/output/modelicatemplate/IBPSA/IBPSA_ThreeElements b/teaser/data/output/modelicatemplate/IBPSA/IBPSA_ThreeElements
index 9e1f53072..a050bfbd9 100644
--- a/teaser/data/output/modelicatemplate/IBPSA/IBPSA_ThreeElements
+++ b/teaser/data/output/modelicatemplate/IBPSA/IBPSA_ThreeElements
@@ -13,12 +13,10 @@ model ${zone.parent.name}_${zone.name}
   ${library}.BoundaryConditions.SolarIrradiation.DiffusePerez HDifTil[${min_orientations(zone.model_attr.n_outer)}](    each outSkyCon=true,
     each outGroCon=true,
     til=${get_list(deg_to_rad(zone.model_attr.tilt_facade))},
-    each lat = ${deg_to_rad(zone.parent.latitude)},
     azi = ${get_list(azmiut_conv(zone.model_attr.orientation_facade))})
     "Calculates diffuse solar radiation on titled surface for all directions"
     annotation (Placement(transformation(extent={{-68,20},{-48,40}})));
   ${library}.BoundaryConditions.SolarIrradiation.DirectTiltedSurface HDirTil[${min_orientations(zone.model_attr.n_outer)}](    til=${get_list(deg_to_rad(zone.model_attr.tilt_facade))},
-    each lat =  ${deg_to_rad(zone.parent.latitude)},
     azi=${get_list(azmiut_conv(zone.model_attr.orientation_facade))})
     "Calculates direct solar radiation on titled surface for all directions"
     annotation (Placement(transformation(extent={{-68,52},{-48,72}})));
diff --git a/teaser/data/output/modelicatemplate/IBPSA/IBPSA_TwoElements b/teaser/data/output/modelicatemplate/IBPSA/IBPSA_TwoElements
index d0767d082..18db774b2 100644
--- a/teaser/data/output/modelicatemplate/IBPSA/IBPSA_TwoElements
+++ b/teaser/data/output/modelicatemplate/IBPSA/IBPSA_TwoElements
@@ -13,12 +13,10 @@ model ${zone.parent.name}_${zone.name}
   ${library}.BoundaryConditions.SolarIrradiation.DiffusePerez HDifTil[${min_orientations(zone.model_attr.n_outer)}](    each outSkyCon=true,
     each outGroCon=true,
     til=${get_list(deg_to_rad(zone.model_attr.tilt_facade))},
-    each lat = ${deg_to_rad(zone.parent.latitude)},
     azi = ${get_list(azmiut_conv(zone.model_attr.orientation_facade))})
     "Calculates diffuse solar radiation on titled surface for all directions"
     annotation (Placement(transformation(extent={{-68,20},{-48,40}})));
   ${library}.BoundaryConditions.SolarIrradiation.DirectTiltedSurface HDirTil[${min_orientations(zone.model_attr.n_outer)}](    til=${get_list(deg_to_rad(zone.model_attr.tilt_facade))},
-    each lat =  ${deg_to_rad(zone.parent.latitude)},
     azi=${get_list(azmiut_conv(zone.model_attr.orientation_facade))})
     "Calculates direct solar radiation on titled surface for all directions"
     annotation (Placement(transformation(extent={{-68,52},{-48,72}})));
diff --git a/teaser/examples/e3_export_ibpsa_models.py b/teaser/examples/e3_export_ibpsa_models.py
index 3c3592f41..180e20666 100644
--- a/teaser/examples/e3_export_ibpsa_models.py
+++ b/teaser/examples/e3_export_ibpsa_models.py
@@ -1,7 +1,7 @@
 # # Example 3: Export Modelica models for IBPSA library using TEASER API
 # This module contains an example how to export buildings from a TEASER
 # project to ready-to-run simulation models for Modelica library IBPSA. These
-# models simulate in Dymola, OpenModelica and JModelica.
+# models should simulate in Dymola, OpenModelica and JModelica.
 # You can run this example using the [jupyter-notebook](https://mybinder.org/v2/gh/RWTH-EBC/TEASER/main?labpath=docs%2Fjupyter_notebooks)
 
 import teaser.examples.e1_generate_archetype as e1
diff --git a/teaser/logic/buildingobjects/calculation/ibpsa.py b/teaser/logic/buildingobjects/calculation/ibpsa.py
index f19c7bc5c..bb8d71cb2 100644
--- a/teaser/logic/buildingobjects/calculation/ibpsa.py
+++ b/teaser/logic/buildingobjects/calculation/ibpsa.py
@@ -36,10 +36,10 @@ def __init__(self, parent):
         self.parent = parent
         self.file_internal_gains = "InternalGains_" + self.parent.name + ".mat"
         self.version = {
-            "AixLib": "1.0.0",
-            "Buildings": "7.0.0",
+            "AixLib": "2.1.0",
+            "Buildings": "11.0.0",
             "BuildingSystems": "2.0.0-beta2",
-            "IDEAS": "2.1.0",
+            "IDEAS": "3.0.0",
         }
         self.consider_heat_capacity = True