diff --git a/scripts/prepare_sector_network.py b/scripts/prepare_sector_network.py
index ab4096e2..c278734b 100644
--- a/scripts/prepare_sector_network.py
+++ b/scripts/prepare_sector_network.py
@@ -456,7 +456,7 @@ def update_wind_solar_costs(n, costs):
     clustermaps = busmap_s.map(busmap)
 
     # code adapted from pypsa-eur/scripts/add_electricity.py
-    for connection in ["dc", "ac"]:
+    for connection in ["dc", "ac", "float"]:
         tech = "offwind-" + connection
         if tech not in n.generators.carrier.values:
             continue