diff --git a/etrago/appl.py b/etrago/appl.py
index cdf3f3ad..48bd6f40 100644
--- a/etrago/appl.py
+++ b/etrago/appl.py
@@ -103,7 +103,8 @@
     "generator_noise": 789456,  # apply generator noise, False or seed number
     "extra_functionality": {},  # Choose function name or {}
     # Spatial Complexity:
-    "network_clustering_ehv": False,  # clustering of HV buses to EHV buses
+    "delete_dispensable_ac_buses": False, # bool. Find and delete unnecesary buses
+    "network_clustering_ehv": True,  # clustering of HV buses to EHV buses
     "network_clustering": {
         "active": True,  # choose if clustering is activated
         "method": "kmedoids-dijkstra",  # choose clustering method: kmeans or kmedoids-dijkstra
@@ -379,6 +380,11 @@ def run_etrago(args, json_path):
             Limit overall energy production country-wise for each generator
             by carrier. Set upper/lower limit in p.u.
 
+    delete_dispensable_ac_buses: bool
+        Choose if unnecessary buses should be identified and deleted from the
+        grid. This buses have no load or generation attached. Additionally,
+        they are just connected to two other buses.
+        Default: False.
     network_clustering_ehv : bool
         Choose if you want to cluster the full HV/EHV dataset down to only the
         EHV buses. In that case, all HV buses are assigned to their closest EHV
diff --git a/etrago/tools/utilities.py b/etrago/tools/utilities.py
index c3f29dee..d7671fc7 100755
--- a/etrago/tools/utilities.py
+++ b/etrago/tools/utilities.py
@@ -127,8 +127,16 @@ def buses_grid_linked(network, voltage_level):
     mask = (
         network.buses.index.isin(network.lines.bus0)
         | (network.buses.index.isin(network.lines.bus1))
-        | (network.buses.index.isin(network.links.loc[network.links.carrier=="DC", "bus0"]))
-        | (network.buses.index.isin(network.links.loc[network.links.carrier=="DC", "bus1"]))
+        | (
+            network.buses.index.isin(
+                network.links.loc[network.links.carrier == "DC", "bus0"]
+            )
+        )
+        | (
+            network.buses.index.isin(
+                network.links.loc[network.links.carrier == "DC", "bus1"]
+            )
+        )
     ) & (network.buses.v_nom.isin(voltage_level))
 
     df = network.buses[mask]
@@ -1081,6 +1089,8 @@ def delete_dispensable_ac_buses(etrago):
     None.
 
     """
+    if etrago.args["delete_dispensable_ac_buses"] == False:
+        return
 
     def delete_buses(delete_buses, network):
         drop_buses = delete_buses.index.to_list()