diff --git a/rules/build_electricity.smk b/rules/build_electricity.smk
index d922a753..edf5fca3 100644
--- a/rules/build_electricity.smk
+++ b/rules/build_electricity.smk
@@ -267,6 +267,7 @@ def input_ua_md_availability_matrix(w):
 rule build_renewable_profiles:
     params:
         snapshots=config_provider("snapshots"),
+        drop_leap_day=config_provider("enable", "drop_leap_day"),
         renewable=config_provider("renewable"),
     input:
         unpack(input_ua_md_availability_matrix),
@@ -345,6 +346,7 @@ rule build_hydro_profile:
         hydro=config_provider("renewable", "hydro"),
         countries=config_provider("countries"),
         snapshots=config_provider("snapshots"),
+        drop_leap_day=config_provider("enable", "drop_leap_day"),
     input:
         country_shapes=resources("country_shapes.geojson"),
         eia_hydro_generation="data/eia_hydro_annual_generation.csv",
@@ -370,6 +372,7 @@ rule build_hydro_profile:
 rule build_line_rating:
     params:
         snapshots=config_provider("snapshots"),
+        drop_leap_day=config_provider("enable", "drop_leap_day"),
     input:
         base_network=resources("networks/base.nc"),
         cutout=lambda w: "cutouts/"
@@ -413,6 +416,7 @@ rule add_electricity:
         length_factor=config_provider("lines", "length_factor"),
         scaling_factor=config_provider("load", "scaling_factor"),
         countries=config_provider("countries"),
+        snapshots=config_provider("snapshots"),
         renewable=config_provider("renewable"),
         electricity=config_provider("electricity"),
         conventional=config_provider("conventional"),
diff --git a/scripts/build_hydro_profile.py b/scripts/build_hydro_profile.py
index ebadd047..510bc6fa 100644
--- a/scripts/build_hydro_profile.py
+++ b/scripts/build_hydro_profile.py
@@ -174,7 +174,12 @@ if __name__ == "__main__":
     set_scenario_config(snakemake)
 
     params_hydro = snakemake.params.hydro
-    cutout = atlite.Cutout(snakemake.input.cutout)
+
+    time = pd.date_range(freq="h", **snakemake.params.snapshots)
+    if snakemake.params.drop_leap_day:
+        time = time[~((time.month == 2) & (time.day == 29))]
+
+    cutout = atlite.Cutout(snakemake.input.cutout).sel(time=time)
 
     countries = snakemake.params.countries
     country_shapes = (
diff --git a/scripts/build_line_rating.py b/scripts/build_line_rating.py
index 5b4642d1..794638d2 100755
--- a/scripts/build_line_rating.py
+++ b/scripts/build_line_rating.py
@@ -146,10 +146,11 @@ if __name__ == "__main__":
     configure_logging(snakemake)
     set_scenario_config(snakemake)
 
-    snapshots = snakemake.params.snapshots
-
     n = pypsa.Network(snakemake.input.base_network)
-    time = pd.date_range(freq="h", **snapshots)
+    time = pd.date_range(freq="h", **snakemake.params.snapshots)
+    if snakemake.params.drop_leap_day:
+        time = time[~((time.month == 2) & (time.day == 29))]
+
     cutout = atlite.Cutout(snakemake.input.cutout).sel(time=time)
 
     da = calculate_line_rating(n, cutout)
diff --git a/scripts/build_renewable_profiles.py b/scripts/build_renewable_profiles.py
index e1576850..88057fb6 100644
--- a/scripts/build_renewable_profiles.py
+++ b/scripts/build_renewable_profiles.py
@@ -227,9 +227,11 @@ if __name__ == "__main__":
     else:
         client = None
 
-    sns = pd.date_range(freq="h", **snakemake.params.snapshots)
+    time = pd.date_range(freq="h", **snakemake.params.snapshots)
+    if snakemake.params.drop_leap_day:
+        time = time[~((time.month == 2) & (time.day == 29))]
 
-    cutout = atlite.Cutout(snakemake.input.cutout).sel(time=sns)
+    cutout = atlite.Cutout(snakemake.input.cutout).sel(time=time)
     regions = gpd.read_file(snakemake.input.regions)
     assert not regions.empty, (
         f"List of regions in {snakemake.input.regions} is empty, please "