diff --git a/config/config.default.yaml b/config/config.default.yaml
index a6df173b..4bc1ccd0 100644
--- a/config/config.default.yaml
+++ b/config/config.default.yaml
@@ -440,6 +440,7 @@ sector:
     decentral: 3
     central: 180
   boilers: true
+  resistive_heaters: true
   oil_boilers: false
   biomass_boiler: true
   chp: true