From 7e3556d6857832bb3067cb9d19f65726e6902df7 Mon Sep 17 00:00:00 2001
From: Dominik Polakovics <dominik.polakovics@cloonar.com>
Date: Wed, 29 Apr 2026 11:51:46 +0200
Subject: [PATCH] feat: change solix power delivery to cower usage on all 3
 phases

---
 .../fw/modules/home-assistant/anker-solix.nix  | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/hosts/fw/modules/home-assistant/anker-solix.nix b/hosts/fw/modules/home-assistant/anker-solix.nix
index ae414e5..f6cccb6 100644
--- a/hosts/fw/modules/home-assistant/anker-solix.nix
+++ b/hosts/fw/modules/home-assistant/anker-solix.nix
@@ -65,14 +65,20 @@
     };
 
     # Zero-export grid balancing automation
-    # Adjusts Solarbank output every 30s to drive grid import on phase C toward 0W
+    # Adjusts Solarbank output to drive net grid import (sum of all 3 phases) toward 0W
     "automation solarbank zero export" = {
       alias = "Solarbank Zero Export";
       mode = "single";
-      trigger = {
-        platform = "state";
-        entity_id = "sensor.shellyem3_485519d792a7_channel_c_power";
-      };
+      trigger = [
+        {
+          platform = "state";
+          entity_id = [
+            "sensor.shellyem3_485519d792a7_channel_a_power"
+            "sensor.shellyem3_485519d792a7_channel_b_power"
+            "sensor.shellyem3_485519d792a7_channel_c_power"
+          ];
+        }
+      ];
       condition = [
         {
           condition = "not";
@@ -98,7 +104,7 @@
       action = [
         {
           variables = {
-            grid_power = "{{ states('sensor.shellyem3_485519d792a7_channel_c_power') | float(0) }}";
+            grid_power = "{{ (states('sensor.shellyem3_485519d792a7_channel_a_power') | float(0)) + (states('sensor.shellyem3_485519d792a7_channel_b_power') | float(0)) + (states('sensor.shellyem3_485519d792a7_channel_c_power') | float(0)) }}";
             current_output = "{{ states('number.solarbank_3_e2700_pro_system_output_preset') | float(0) }}";
           };
         }