diff --git a/configuration.yaml b/configuration.yaml
index 7328500..9e9a8f7 100644
--- a/configuration.yaml
+++ b/configuration.yaml
@@ -10,3 +10,17 @@ script: !include scripts.yaml
 scene: !include scenes.yaml
 
 bluetooth:
+
+# Network UPS Tools — both plant UPS [#439]
+# tsys1: APC Smart-UPS C1500 (apc-smartups-c1500), tsys9: Tripp Lite (tripplite)
+nut:
+  - host: pfv-tsys1-lan.knel.net
+    port: 3493
+    username: homeassistant
+    password: !secret nut_tsys1_pw
+    alias: tsys1_ups
+  - host: pfv-tsys9-lan.knel.net
+    port: 3493
+    username: homeassistant
+    password: !secret nut_tsys9_pw
+    alias: tsys9_ups