From 9218cf0059dfa8724f070c0b4fe76442bc8d80b4 Mon Sep 17 00:00:00 2001
From: CiNcH83 <daniel.bechter@gmail.com>
Date: Tue, 2 Jun 2026 18:45:27 +0200
Subject: [PATCH] Huawei SUN2000: add returnEnergy for grid and battery
 (#29790)

---
 .../meter/huawei-sun2000-hybrid.yaml          | 41 ++++++++++++++-----
 1 file changed, 30 insertions(+), 11 deletions(-)

diff --git a/templates/definition/meter/huawei-sun2000-hybrid.yaml b/templates/definition/meter/huawei-sun2000-hybrid.yaml
index 9fd6d8c8e..5e53b1dfc 100644
--- a/templates/definition/meter/huawei-sun2000-hybrid.yaml
+++ b/templates/definition/meter/huawei-sun2000-hybrid.yaml
@@ -73,7 +73,7 @@ render: |
     timeout: {{ .timeout }}
     connectdelay: 1s
     register:
-      address: 37113 # Grid import export power
+      address: 37113 # Grid import/export power
       type: holding
       decode: int32nan
     scale: -1
@@ -82,7 +82,16 @@ render: |
     {{- include "modbus" . | indent 2 }}
     timeout: {{ .timeout }}
     register:
-      address: 37121 # Active energy import from the grid
+      address: 37121 # Active energy imported from the grid
+      type: holding
+      decode: uint32nan
+    scale: 0.01
+  returnenergy:
+    source: modbus
+    {{- include "modbus" . | indent 2 }}
+    timeout: {{ .timeout }}
+    register:
+      address: 37119 # Active energy exported to the grid
       type: holding
       decode: uint32nan
     scale: 0.01
@@ -140,11 +149,10 @@ render: |
     timeout: {{ .timeout }}
     connectdelay: 1s
     register:
-      {{- if eq .storageunit "1" }}
-      address: 37001
-      {{- end }}
       {{- if eq .storageunit "2" }}
       address: 37743
+      {{- else }}
+      address: 37001
       {{- end }}
       type: holding
       decode: int32nan
@@ -154,11 +162,23 @@ render: |
     {{- include "modbus" . | indent 2 }}
     timeout: {{ .timeout }}
     register:
-      {{- if eq .storageunit "1" }}
-      address: 37068 # [Energy storage unit 1] Total discharge
-      {{- end }}
       {{- if eq .storageunit "2" }}
       address: 37755 # [Energy storage unit 2] Total discharge
+      {{- else }}
+      address: 37068 # [Energy storage unit 1] Total discharge
+      {{- end }}
+      type: holding
+      decode: uint32nan
+    scale: 0.01
+  returnenergy:
+    source: modbus
+    {{- include "modbus" . | indent 2 }}
+    timeout: {{ .timeout }}
+    register:
+      {{- if eq .storageunit "2" }}
+      address: 37753 # [Energy storage unit 2] Total charge
+      {{- else }}
+      address: 37066 # [Energy storage unit 1] Total charge
       {{- end }}
       type: holding
       decode: uint32nan
@@ -168,11 +188,10 @@ render: |
     {{- include "modbus" . | indent 2 }}
     timeout: {{ .timeout }}
     register:
-      {{- if eq .storageunit "1" }}
-      address: 37004
-      {{- end }}
       {{- if eq .storageunit "2" }}
       address: 37738
+      {{- else }}
+      address: 37004
       {{- end }}
       type: holding
       decode: uint16nan