diff --git a/lib/melcloudAtwDevice.js b/lib/melcloudAtwDevice.js
index 9eaea039..14110cf9 100644
--- a/lib/melcloudAtwDevice.js
+++ b/lib/melcloudAtwDevice.js
@@ -883,6 +883,22 @@ class MelcloudAtwDevice {
 				},
 				native: {}
 			});
+
+			gthat.extendObjectAsync(lastReportDataPrefix + commonDefines.CommonDeviceStateIDs.TotalPowerProductionPrefix, {
+				type: "state",
+				common: {
+					name: `Total power production for mode '${mode}'`,
+					type: "number",
+					role: "value.power.consumption",
+					min: 0,
+					read: true,
+					write: false,
+					unit: "kWh",
+					def: 0,
+					desc: `Total power production for mode '${mode}'`
+				},
+				native: {}
+			});
 		});
 
 		gthat.extendObjectAsync(lastReportDataPrefix + commonDefines.CommonDeviceStateIDs.TotalPowerConsumptionPrefix, {