diff --git a/rules/build_sector.smk b/rules/build_sector.smk
index 169a6129..85897789 100644
--- a/rules/build_sector.smk
+++ b/rules/build_sector.smk
@@ -224,8 +224,8 @@ rule build_solar_thermal_profiles:
     output:
         solar_thermal=RESOURCES + "solar_thermal_{scope}_elec_s{simpl}_{clusters}.nc",
     resources:
-        mem_mb=2000,
-    threads: 1
+        mem_mb=20000,
+    threads: 16
     log:
         LOGS + "build_solar_thermal_profiles_{scope}_s{simpl}_{clusters}.log",
     benchmark: