diff --git a/apps/pv_opt/config/config.yaml b/apps/pv_opt/config/config.yaml
index 835afba..b3090e4 100644
--- a/apps/pv_opt/config/config.yaml
+++ b/apps/pv_opt/config/config.yaml
@@ -22,7 +22,6 @@ pv_opt:
   prefix: pvopt
   debug: false
 
-
 # User configuration ---  EDIT AWAY! ---
   # ========================================
   # System parameters
diff --git a/apps/pv_opt/pv_opt.py b/apps/pv_opt/pv_opt.py
index c4fd3be..3725a6b 100644
--- a/apps/pv_opt/pv_opt.py
+++ b/apps/pv_opt/pv_opt.py
@@ -192,7 +192,7 @@
         "domain": "number",
     },
     "plunge_threshold_p_kwh": {
-        "default": 2.0,
+        "default": -5.0,
         "attributes": {
             "min": -5.0,
             "max": 10.0,