diff --git a/CHANGELOG.md b/CHANGELOG.md
index e118a4994..4e6a9df59 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,7 @@
 All notable changes to this project will be documented in this file.
 
 ## [Unreleased] - Development
+- added support for Eastron SDM230 ModBus
 
 ## [2022.01.2]
 ### Added
diff --git a/tasmota/i18n.h b/tasmota/i18n.h
index 0af945eb0..8355ea39f 100644
--- a/tasmota/i18n.h
+++ b/tasmota/i18n.h
@@ -132,6 +132,7 @@
 #define D_JSON_PH "pH"
 #define D_JSON_PHASE_ANGLE "PhaseAngle"
 #define D_JSON_POWERFACTOR "Factor"
+#define D_JSON_POWERMAX "MaxPower"
 #define D_JSON_POWERUSAGE "Power"
 #define D_JSON_ACTIVE_POWERUSAGE "ActivePower"
 #define D_JSON_APPARENT_POWERUSAGE "ApparentPower"
@@ -220,6 +221,7 @@
 #define D_JSON_IMPORT "Import"
 #define D_JSON_EXPORT "Export"
 #define D_JSON_TOTAL_ACTIVE "TotalActive"
+#define D_JSON_RESETTABLE_TOTAL_ACTIVE "ResetTotalActive"
 #define D_JSON_SIGNALSTRENGTH "SignalStrength"
 #define D_JSON_CHIPTEMPERATURE "ChipTemperature"
 
diff --git a/tasmota/language/af_AF.h b/tasmota/language/af_AF.h
index ed8d9ea65..7e1220f7f 100644
--- a/tasmota/language/af_AF.h
+++ b/tasmota/language/af_AF.h
@@ -663,6 +663,8 @@
 #define D_SENSOR_SDM72_RX      "SDM72 Rx"
 #define D_SENSOR_SDM120_TX     "SDMx20 Tx"
 #define D_SENSOR_SDM120_RX     "SDMx20 Rx"
+#define D_SENSOR_SDM230_TX     "SDM230 Tx"
+#define D_SENSOR_SDM230_RX     "SDM230 Rx"
 #define D_SENSOR_SDM630_TX     "SDM630 Tx"
 #define D_SENSOR_SDM630_RX     "SDM630 Rx"
 #define D_SENSOR_WE517_TX      "WE517 Tx"
@@ -899,7 +901,7 @@
 #define D_OUT_OF_RANGE         "Out of Range"
 #define D_SENSOR_DETECTED      "detected"
 
-//SDM220, SDM120, SDM72, LE01MR
+//SDM220, SDM120, SDM72, LE01MR, SDM230
 #define D_EXPORT_POWER    "Uitvoer krag"
 #define D_IMPORT_POWER 	  "Invoer krag"
 #define D_PHASE_ANGLE     "Fasehoek"
@@ -911,6 +913,7 @@
 #define D_UNIT_KWARH      "kVArh"
 #define D_UNIT_ANGLE      "Deg"
 #define D_TOTAL_ACTIVE    "Totaal aktief"
+#define D_RESETTABLE_TOTAL_ACTIVE    "Totaal aktief (RST)"
 
 //SOLAXX1
 #define D_PV1_VOLTAGE     "PV1 Spanning"
diff --git a/tasmota/language/bg_BG.h b/tasmota/language/bg_BG.h
index 03f77368b..376b8db07 100644
--- a/tasmota/language/bg_BG.h
+++ b/tasmota/language/bg_BG.h
@@ -663,6 +663,8 @@
 #define D_SENSOR_SDM72_RX      "SDM72 Rx"
 #define D_SENSOR_SDM120_TX     "SDMx20 Tx"
 #define D_SENSOR_SDM120_RX     "SDMx20 Rx"
+#define D_SENSOR_SDM230_TX     "SDM230 Tx"
+#define D_SENSOR_SDM230_RX     "SDM230 Rx"
 #define D_SENSOR_SDM630_TX     "SDM630 Tx"
 #define D_SENSOR_SDM630_RX     "SDM630 Rx"
 #define D_SENSOR_WE517_TX      "WE517 Tx"
@@ -899,7 +901,7 @@
 #define D_OUT_OF_RANGE         "Out of Range"
 #define D_SENSOR_DETECTED      "detected"
 
-//SDM220, SDM120, SDM72, LE01MR
+//SDM220, SDM120, SDM72, LE01MR, SDM230
 #define D_EXPORT_POWER    "Изходна мощност"
 #define D_IMPORT_POWER 	  "Входна мощност"
 #define D_PHASE_ANGLE     "Фазов ъгъл"
@@ -911,6 +913,7 @@
 #define D_UNIT_KWARH      "kVArh"
 #define D_UNIT_ANGLE      "°"
 #define D_TOTAL_ACTIVE    "Общо активна мощност"
+#define D_RESETTABLE_TOTAL_ACTIVE    "Общо активна мощност (RST)"
 
 //SOLAXX1
 #define D_PV1_VOLTAGE     "Напрежение на PV1"
diff --git a/tasmota/language/cs_CZ.h b/tasmota/language/cs_CZ.h
index e438114bf..1ef2fe374 100644
--- a/tasmota/language/cs_CZ.h
+++ b/tasmota/language/cs_CZ.h
@@ -663,6 +663,8 @@
 #define D_SENSOR_SDM72_RX      "SDM72 Rx"
 #define D_SENSOR_SDM120_TX     "SDMx20 Tx"
 #define D_SENSOR_SDM120_RX     "SDMx20 Rx"
+#define D_SENSOR_SDM230_TX     "SDM230 Tx"
+#define D_SENSOR_SDM230_RX     "SDM230 Rx"
 #define D_SENSOR_SDM630_TX     "SDM630 Tx"
 #define D_SENSOR_SDM630_RX     "SDM630 Rx"
 #define D_SENSOR_WE517_TX      "WE517 Tx"
@@ -899,7 +901,7 @@
 #define D_OUT_OF_RANGE         "Out of Range"
 #define D_SENSOR_DETECTED      "detected"
 
-//SDM220, SDM120, SDM72, LE01MR
+//SDM220, SDM120, SDM72, LE01MR, SDM230
 #define D_EXPORT_POWER    "Export Power"
 #define D_IMPORT_POWER 	  "Import Power"
 #define D_PHASE_ANGLE     "Phase Angle"
@@ -911,6 +913,7 @@
 #define D_UNIT_KWARH      "kVArh"
 #define D_UNIT_ANGLE      "Deg"
 #define D_TOTAL_ACTIVE    "Total Active"
+#define D_RESETTABLE_TOTAL_ACTIVE    "Total Active (RST)"
 
 //SOLAXX1
 #define D_PV1_VOLTAGE     "PV1 Voltage"
diff --git a/tasmota/language/de_DE.h b/tasmota/language/de_DE.h
index 5dc9f72dd..dd5ddd31d 100644
--- a/tasmota/language/de_DE.h
+++ b/tasmota/language/de_DE.h
@@ -663,6 +663,8 @@
 #define D_SENSOR_SDM72_RX      "SDM72 Rx"
 #define D_SENSOR_SDM120_TX     "SDMx20 Tx"
 #define D_SENSOR_SDM120_RX     "SDMx20 Rx"
+#define D_SENSOR_SDM230_TX     "SDM230 Tx"
+#define D_SENSOR_SDM230_RX     "SDM230 Rx"
 #define D_SENSOR_SDM630_TX     "SDM630 Tx"
 #define D_SENSOR_SDM630_RX     "SDM630 Rx"
 #define D_SENSOR_WE517_TX      "WE517 Tx"
@@ -899,7 +901,7 @@
 #define D_OUT_OF_RANGE     "Außerhalb Bereich"
 #define D_SENSOR_DETECTED  "erkannt"
 
-//SDM220, SDM120, SDM72, LE01MR
+//SDM220, SDM120, SDM72, LE01MR, SDM230
 #define D_EXPORT_POWER    "Exportiere Leistung"
 #define D_IMPORT_POWER 	  "Importiere Leistung"
 #define D_PHASE_ANGLE     "Phasenwinkel"
@@ -911,6 +913,7 @@
 #define D_UNIT_KWARH      "kVArh"
 #define D_UNIT_ANGLE      "Grad"
 #define D_TOTAL_ACTIVE    "Total Wirk"
+#define D_RESETTABLE_TOTAL_ACTIVE    "Total Wirk (RST)"
 
 //SOLAXX1
 #define D_PV1_VOLTAGE     "PV1 Spannung"
diff --git a/tasmota/language/el_GR.h b/tasmota/language/el_GR.h
index d71dda45e..4c19ca029 100644
--- a/tasmota/language/el_GR.h
+++ b/tasmota/language/el_GR.h
@@ -663,6 +663,8 @@
 #define D_SENSOR_SDM72_RX      "SDM72 Rx"
 #define D_SENSOR_SDM120_TX     "SDMx20 Tx"
 #define D_SENSOR_SDM120_RX     "SDMx20 Rx"
+#define D_SENSOR_SDM230_TX     "SDM230 Tx"
+#define D_SENSOR_SDM230_RX     "SDM230 Rx"
 #define D_SENSOR_SDM630_TX     "SDM630 Tx"
 #define D_SENSOR_SDM630_RX     "SDM630 Rx"
 #define D_SENSOR_WE517_TX      "WE517 Tx"
@@ -899,7 +901,7 @@
 #define D_OUT_OF_RANGE         "Out of Range"
 #define D_SENSOR_DETECTED      "detected"
 
-//SDM220, SDM120, SDM72, LE01MR
+//SDM220, SDM120, SDM72, LE01MR, SDM230
 #define D_EXPORT_POWER    "Export Power"
 #define D_IMPORT_POWER 	  "Import Power"
 #define D_PHASE_ANGLE     "Phase Angle"
@@ -911,6 +913,7 @@
 #define D_UNIT_KWARH      "kVArh"
 #define D_UNIT_ANGLE      "Deg"
 #define D_TOTAL_ACTIVE    "Total Active"
+#define D_RESETTABLE_TOTAL_ACTIVE    "Total Active (RST)"
 
 //SOLAXX1
 #define D_PV1_VOLTAGE     "PV1 Voltage"
diff --git a/tasmota/language/en_GB.h b/tasmota/language/en_GB.h
index 39d0457cb..20c2b8107 100644
--- a/tasmota/language/en_GB.h
+++ b/tasmota/language/en_GB.h
@@ -663,6 +663,8 @@
 #define D_SENSOR_SDM72_RX      "SDM72 Rx"
 #define D_SENSOR_SDM120_TX     "SDMx20 Tx"
 #define D_SENSOR_SDM120_RX     "SDMx20 Rx"
+#define D_SENSOR_SDM230_TX     "SDM230 Tx"
+#define D_SENSOR_SDM230_RX     "SDM230 Rx"
 #define D_SENSOR_SDM630_TX     "SDM630 Tx"
 #define D_SENSOR_SDM630_RX     "SDM630 Rx"
 #define D_SENSOR_WE517_TX      "WE517 Tx"
@@ -899,7 +901,7 @@
 #define D_OUT_OF_RANGE         "Out of Range"
 #define D_SENSOR_DETECTED      "detected"
 
-//SDM220, SDM120, SDM72, LE01MR
+//SDM220, SDM120, SDM72, LE01MR, SDM230
 #define D_EXPORT_POWER    "Export Power"
 #define D_IMPORT_POWER 	  "Import Power"
 #define D_PHASE_ANGLE     "Phase Angle"
@@ -911,6 +913,7 @@
 #define D_UNIT_KWARH      "kVArh"
 #define D_UNIT_ANGLE      "Deg"
 #define D_TOTAL_ACTIVE    "Total Active"
+#define D_RESETTABLE_TOTAL_ACTIVE    "Total Active (RST)"
 
 //SOLAXX1
 #define D_PV1_VOLTAGE     "PV1 Voltage"
diff --git a/tasmota/language/es_ES.h b/tasmota/language/es_ES.h
index ba6b95087..240bbc588 100644
--- a/tasmota/language/es_ES.h
+++ b/tasmota/language/es_ES.h
@@ -663,6 +663,8 @@
 #define D_SENSOR_SDM72_RX      "SDM72 Rx"
 #define D_SENSOR_SDM120_TX     "SDMx20 Tx"
 #define D_SENSOR_SDM120_RX     "SDMx20 Rx"
+#define D_SENSOR_SDM230_TX     "SDM230 Tx"
+#define D_SENSOR_SDM230_RX     "SDM230 Rx"
 #define D_SENSOR_SDM630_TX     "SDM630 Tx"
 #define D_SENSOR_SDM630_RX     "SDM630 Rx"
 #define D_SENSOR_WE517_TX      "WE517 Tx"
@@ -899,7 +901,7 @@
 #define D_OUT_OF_RANGE         "Fuera de Rango"
 #define D_SENSOR_DETECTED      "detectado"
 
-//SDM220, SDM120, SDM72, LE01MR
+//SDM220, SDM120, SDM72, LE01MR, SDM230
 #define D_EXPORT_POWER    "Pot. Exportada"
 #define D_IMPORT_POWER 	  "Pot. Importada"
 #define D_PHASE_ANGLE     "Ángulo de Fase"
@@ -911,6 +913,7 @@
 #define D_UNIT_KWARH      "kVArH"
 #define D_UNIT_ANGLE      "Grados"
 #define D_TOTAL_ACTIVE    "P. Total Activa"
+#define D_RESETTABLE_TOTAL_ACTIVE    "P. Total Activa (RST)"
 
 //SOLAXX1
 #define D_PV1_VOLTAGE     "PV1 Voltaje"
diff --git a/tasmota/language/fr_FR.h b/tasmota/language/fr_FR.h
index 63ffb24d9..fa158ef23 100644
--- a/tasmota/language/fr_FR.h
+++ b/tasmota/language/fr_FR.h
@@ -663,6 +663,8 @@
 #define D_SENSOR_SDM72_RX      "SDM72 RX"
 #define D_SENSOR_SDM120_TX     "SDMx20 TX"
 #define D_SENSOR_SDM120_RX     "SDMx20 RX"
+#define D_SENSOR_SDM230_TX     "SDM230 TX"
+#define D_SENSOR_SDM230_RX     "SDM230 RX"
 #define D_SENSOR_SDM630_TX     "SDM630 TX"
 #define D_SENSOR_SDM630_RX     "SDM630 RX"
 #define D_SENSOR_WE517_TX      "WE517 TX"
@@ -899,7 +901,7 @@
 #define D_OUT_OF_RANGE         "Hors limites"
 #define D_SENSOR_DETECTED      "détecté"
 
-//SDM220, SDM120, SDM72, LE01MR
+//SDM220, SDM120, SDM72, LE01MR, SDM230
 #define D_EXPORT_POWER    "Puissance fournie"
 #define D_IMPORT_POWER 	  "Puissance consommée"
 #define D_PHASE_ANGLE     "Angle de phase"
@@ -911,6 +913,8 @@
 #define D_UNIT_KWARH      "kVArh"
 #define D_UNIT_ANGLE      "°"
 #define D_TOTAL_ACTIVE    "Total Active"
+#define D_RESETTABLE_TOTAL_ACTIVE    "Total Active (RST)"
+
 //SOLAXX1
 #define D_PV1_VOLTAGE     "Tension PV1"
 #define D_PV1_CURRENT     "Courant PV1"
diff --git a/tasmota/language/fy_NL.h b/tasmota/language/fy_NL.h
index 7c4391321..21a74f934 100644
--- a/tasmota/language/fy_NL.h
+++ b/tasmota/language/fy_NL.h
@@ -663,6 +663,8 @@
 #define D_SENSOR_SDM72_RX      "SDM72 Rx"
 #define D_SENSOR_SDM120_TX     "SDMx20 Tx"
 #define D_SENSOR_SDM120_RX     "SDMx20 Rx"
+#define D_SENSOR_SDM230_TX     "SDM230 Tx"
+#define D_SENSOR_SDM230_RX     "SDM230 Rx"
 #define D_SENSOR_SDM630_TX     "SDM630 Tx"
 #define D_SENSOR_SDM630_RX     "SDM630 Rx"
 #define D_SENSOR_WE517_TX      "WE517 Tx"
@@ -899,7 +901,7 @@
 #define D_OUT_OF_RANGE         "Out of Range"
 #define D_SENSOR_DETECTED      "detected"
 
-//SDM220, SDM120, SDM72, LE01MR
+//SDM220, SDM120, SDM72, LE01MR, SDM230
 #define D_EXPORT_POWER    "Eksportearje krêft"
 #define D_IMPORT_POWER 	  "Ymportearje krêft"
 #define D_PHASE_ANGLE     "Faze hoeke"
@@ -911,6 +913,7 @@
 #define D_UNIT_KWARH      "kVArh"
 #define D_UNIT_ANGLE      "Deg"
 #define D_TOTAL_ACTIVE    "Hielendal wier"
+#define D_RESETTABLE_TOTAL_ACTIVE    "Hielendal wier (RST)"
 
 //SOLAXX1
 #define D_PV1_VOLTAGE     "PV1 foltaazje"
diff --git a/tasmota/language/he_HE.h b/tasmota/language/he_HE.h
index 9ac30c95b..e824acbc6 100644
--- a/tasmota/language/he_HE.h
+++ b/tasmota/language/he_HE.h
@@ -663,6 +663,8 @@
 #define D_SENSOR_SDM72_RX      "SDM72 Rx"
 #define D_SENSOR_SDM120_TX     "SDMx20 Tx"
 #define D_SENSOR_SDM120_RX     "SDMx20 Rx"
+#define D_SENSOR_SDM230_TX     "SDM230 Tx"
+#define D_SENSOR_SDM230_RX     "SDM230 Rx"
 #define D_SENSOR_SDM630_TX     "SDM630 Tx"
 #define D_SENSOR_SDM630_RX     "SDM630 Rx"
 #define D_SENSOR_WE517_TX      "WE517 Tx"
@@ -899,7 +901,7 @@
 #define D_OUT_OF_RANGE         "Out of Range"
 #define D_SENSOR_DETECTED      "detected"
 
-//SDM220, SDM120, SDM72, LE01MR
+//SDM220, SDM120, SDM72, LE01MR, SDM230
 #define D_EXPORT_POWER    "Export Power"
 #define D_IMPORT_POWER 	  "Import Power"
 #define D_PHASE_ANGLE     "Phase Angle"
@@ -911,6 +913,7 @@
 #define D_UNIT_KWARH      "kVArh"
 #define D_UNIT_ANGLE      "Deg"
 #define D_TOTAL_ACTIVE    "Total Active"
+#define D_RESETTABLE_TOTAL_ACTIVE    "Total Active (RST)"
 
 //SOLAXX1
 #define D_PV1_VOLTAGE     "PV1 Voltage"
diff --git a/tasmota/language/hu_HU.h b/tasmota/language/hu_HU.h
index da6a153f0..aed1a2501 100644
--- a/tasmota/language/hu_HU.h
+++ b/tasmota/language/hu_HU.h
@@ -663,6 +663,8 @@
 #define D_SENSOR_SDM72_RX      "SDM72 Rx"
 #define D_SENSOR_SDM120_TX     "SDMx20 Tx"
 #define D_SENSOR_SDM120_RX     "SDMx20 Rx"
+#define D_SENSOR_SDM230_TX     "SDM230 Tx"
+#define D_SENSOR_SDM230_RX     "SDM230 Rx"
 #define D_SENSOR_SDM630_TX     "SDM630 Tx"
 #define D_SENSOR_SDM630_RX     "SDM630 Rx"
 #define D_SENSOR_WE517_TX      "WE517 Tx"
@@ -899,7 +901,7 @@
 #define D_OUT_OF_RANGE         "Out of Range"
 #define D_SENSOR_DETECTED      "detected"
 
-//SDM220, SDM120, SDM72, LE01MR
+//SDM220, SDM120, SDM72, LE01MR, SDM230
 #define D_EXPORT_POWER    "Export Power"
 #define D_IMPORT_POWER 	  "Import Power"
 #define D_PHASE_ANGLE     "Fázisszög"
@@ -911,6 +913,7 @@
 #define D_UNIT_KWARH      "kVArh"
 #define D_UNIT_ANGLE      "fok"
 #define D_TOTAL_ACTIVE    "Összes aktív"
+#define D_RESETTABLE_TOTAL_ACTIVE    "Összes aktív (RST)"
 
 //SOLAXX1
 #define D_PV1_VOLTAGE     "PV1 feszültség"
diff --git a/tasmota/language/it_IT.h b/tasmota/language/it_IT.h
index c9f468f56..591d438bb 100644
--- a/tasmota/language/it_IT.h
+++ b/tasmota/language/it_IT.h
@@ -663,6 +663,8 @@
 #define D_SENSOR_SDM72_RX               "SDM72 - RX"
 #define D_SENSOR_SDM120_TX              "SDMx20 - TX"
 #define D_SENSOR_SDM120_RX              "SDMx20 - RX"
+#define D_SENSOR_SDM230_TX              "SDM230 - TX"
+#define D_SENSOR_SDM230_RX              "SDM230 - RX"
 #define D_SENSOR_SDM630_TX              "SDM630 - TX"
 #define D_SENSOR_SDM630_RX              "SDM630 - RX"
 #define D_SENSOR_WE517_TX               "WE517 - TX"
@@ -899,7 +901,7 @@
 #define D_OUT_OF_RANGE         "Fuori intervallo"
 #define D_SENSOR_DETECTED      "rilevato"
 
-//SDM220, SDM120, SDM72, LE01MR
+//SDM220, SDM120, SDM72, LE01MR, SDM230
 #define D_EXPORT_POWER     "Potenza esportata"
 #define D_IMPORT_POWER 	   "Potenza importata"
 #define D_PHASE_ANGLE      "Angolo fase"
@@ -911,6 +913,7 @@
 #define D_UNIT_KWARH       "kVArh"
 #define D_UNIT_ANGLE       "°"
 #define D_TOTAL_ACTIVE     "Potenza attiva totale"
+#define D_RESETTABLE_TOTAL_ACTIVE    "Potenza attiva totale (RST)"
 
 //SOLAXX1
 #define D_PV1_VOLTAGE     "PV1 - Voltaggio"
diff --git a/tasmota/language/ko_KO.h b/tasmota/language/ko_KO.h
index 7fffd5f2a..ad580f71b 100644
--- a/tasmota/language/ko_KO.h
+++ b/tasmota/language/ko_KO.h
@@ -663,6 +663,8 @@
 #define D_SENSOR_SDM72_RX      "SDM72 Rx"
 #define D_SENSOR_SDM120_TX     "SDMx20 Tx"
 #define D_SENSOR_SDM120_RX     "SDMx20 Rx"
+#define D_SENSOR_SDM230_TX     "SDM230 Tx"
+#define D_SENSOR_SDM230_RX     "SDM230 Rx"
 #define D_SENSOR_SDM630_TX     "SDM630 Tx"
 #define D_SENSOR_SDM630_RX     "SDM630 Rx"
 #define D_SENSOR_WE517_TX      "WE517 Tx"
@@ -899,7 +901,7 @@
 #define D_OUT_OF_RANGE         "Out of Range"
 #define D_SENSOR_DETECTED      "detected"
 
-//SDM220, SDM120, SDM72, LE01MR
+//SDM220, SDM120, SDM72, LE01MR, SDM230
 #define D_EXPORT_POWER    "Export Power"
 #define D_IMPORT_POWER 	  "Import Power"
 #define D_PHASE_ANGLE     "Phase Angle"
@@ -911,6 +913,7 @@
 #define D_UNIT_KWARH      "kVArh"
 #define D_UNIT_ANGLE      "Deg"
 #define D_TOTAL_ACTIVE    "Total Active"
+#define D_RESETTABLE_TOTAL_ACTIVE    "Total Active (RST)"
 
 //SOLAXX1
 #define D_PV1_VOLTAGE     "PV1 Voltage"
diff --git a/tasmota/language/nl_NL.h b/tasmota/language/nl_NL.h
index 37c59d587..39011d352 100644
--- a/tasmota/language/nl_NL.h
+++ b/tasmota/language/nl_NL.h
@@ -663,6 +663,8 @@
 #define D_SENSOR_SDM72_RX      "SDM72 Rx"
 #define D_SENSOR_SDM120_TX     "SDMx20 Tx"
 #define D_SENSOR_SDM120_RX     "SDMx20 Rx"
+#define D_SENSOR_SDM230_TX     "SDM230 Tx"
+#define D_SENSOR_SDM230_RX     "SDM230 Rx"
 #define D_SENSOR_SDM630_TX     "SDM630 Tx"
 #define D_SENSOR_SDM630_RX     "SDM630 Rx"
 #define D_SENSOR_WE517_TX      "WE517 Tx"
@@ -899,7 +901,7 @@
 #define D_OUT_OF_RANGE    "Buiten beriek"
 #define D_SENSOR_DETECTED "herkend"
 
-//SDM220, SDM120, SDM72, LE01MR
+//SDM220, SDM120, SDM72, LE01MR, SDM230
 #define D_EXPORT_POWER    "Export vermogen"
 #define D_IMPORT_POWER 	  "Import vermogen"
 #define D_PHASE_ANGLE     "Fase hoek"
@@ -911,6 +913,7 @@
 #define D_UNIT_KWARH      "kVArh"
 #define D_UNIT_ANGLE      "Deg"
 #define D_TOTAL_ACTIVE    "Totaal werkelijk"
+#define D_RESETTABLE_TOTAL_ACTIVE    "Totaal werkelijk (RST)"
 
 //SOLAXX1
 #define D_PV1_VOLTAGE     "PV1 spanning"
diff --git a/tasmota/language/pl_PL.h b/tasmota/language/pl_PL.h
index b95e509a8..c5b1bcacf 100644
--- a/tasmota/language/pl_PL.h
+++ b/tasmota/language/pl_PL.h
@@ -663,6 +663,8 @@
 #define D_SENSOR_SDM72_RX      "SDM72 Rx"
 #define D_SENSOR_SDM120_TX     "SDMx20 Tx"
 #define D_SENSOR_SDM120_RX     "SDMx20 Rx"
+#define D_SENSOR_SDM230_TX     "SDM230 Tx"
+#define D_SENSOR_SDM230_RX     "SDM230 Rx"
 #define D_SENSOR_SDM630_TX     "SDM630 Tx"
 #define D_SENSOR_SDM630_RX     "SDM630 Rx"
 #define D_SENSOR_WE517_TX      "WE517 Tx"
@@ -899,7 +901,7 @@
 #define D_OUT_OF_RANGE         "Poza zakresem"
 #define D_SENSOR_DETECTED      "wykryto"
 
-//SDM220, SDM120, SDM72, LE01MR
+//SDM220, SDM120, SDM72, LE01MR, SDM230
 #define D_EXPORT_POWER    "Moc Eksportowana"
 #define D_IMPORT_POWER 	  "Moc Inportowana"
 #define D_PHASE_ANGLE     "Przesunięcie faz"
@@ -911,6 +913,7 @@
 #define D_UNIT_KWARH      "kVArh"
 #define D_UNIT_ANGLE      "Stopni"
 #define D_TOTAL_ACTIVE    "Całkowita czynna"
+#define D_RESETTABLE_TOTAL_ACTIVE    "Całkowita czynna (RST)"
 
 //SOLAXX1
 #define D_PV1_VOLTAGE     "Napięcie PV1"
diff --git a/tasmota/language/pt_BR.h b/tasmota/language/pt_BR.h
index fcd3259f5..2e7791647 100644
--- a/tasmota/language/pt_BR.h
+++ b/tasmota/language/pt_BR.h
@@ -663,6 +663,8 @@
 #define D_SENSOR_SDM72_RX      "SDM72 Rx"
 #define D_SENSOR_SDM120_TX     "SDMx20 Tx"
 #define D_SENSOR_SDM120_RX     "SDMx20 Rx"
+#define D_SENSOR_SDM230_TX     "SDM230 Tx"
+#define D_SENSOR_SDM230_RX     "SDM230 Rx"
 #define D_SENSOR_SDM630_TX     "SDM630 Tx"
 #define D_SENSOR_SDM630_RX     "SDM630 Rx"
 #define D_SENSOR_WE517_TX      "WE517 Tx"
@@ -899,7 +901,7 @@
 #define D_OUT_OF_RANGE         "Fora de Alcance"
 #define D_SENSOR_DETECTED      "detectou"
 
-//SDM220, SDM120, SDM72, LE01MR
+//SDM220, SDM120, SDM72, LE01MR, SDM230
 #define D_EXPORT_POWER    "Exportar energia"
 #define D_IMPORT_POWER 	  "Importar energia"
 #define D_PHASE_ANGLE     "Ângulo de Fase"
@@ -911,6 +913,7 @@
 #define D_UNIT_KWARH      "kVArh"
 #define D_UNIT_ANGLE      "Deg"
 #define D_TOTAL_ACTIVE    "Total Ativo"
+#define D_RESETTABLE_TOTAL_ACTIVE    "Total Activo (RST)"
 
 //SOLAXX1
 #define D_PV1_VOLTAGE     "PV1 Voltagem"
diff --git a/tasmota/language/pt_PT.h b/tasmota/language/pt_PT.h
index 8e09503e9..eec578950 100644
--- a/tasmota/language/pt_PT.h
+++ b/tasmota/language/pt_PT.h
@@ -663,6 +663,8 @@
 #define D_SENSOR_SDM72_RX      "SDM72 Rx"
 #define D_SENSOR_SDM120_TX     "SDMx20 Tx"
 #define D_SENSOR_SDM120_RX     "SDMx20 Rx"
+#define D_SENSOR_SDM230_TX     "SDM230 Tx"
+#define D_SENSOR_SDM230_RX     "SDM230 Rx"
 #define D_SENSOR_SDM630_TX     "SDM630 Tx"
 #define D_SENSOR_SDM630_RX     "SDM630 Rx"
 #define D_SENSOR_WE517_TX      "WE517 Tx"
@@ -899,7 +901,7 @@
 #define D_OUT_OF_RANGE         "Fora de Alcance"
 #define D_SENSOR_DETECTED      "detectou"
 
-//SDM220, SDM120, SDM72, LE01MR
+//SDM220, SDM120, SDM72, LE01MR, SDM230
 #define D_EXPORT_POWER    "Export Power"
 #define D_IMPORT_POWER 	  "Import Power"
 #define D_PHASE_ANGLE     "Ângulo de fase"
@@ -911,6 +913,7 @@
 #define D_UNIT_KWARH      "kVArh"
 #define D_UNIT_ANGLE      "Deg"
 #define D_TOTAL_ACTIVE    "Total Active"
+#define D_RESETTABLE_TOTAL_ACTIVE    "Total Active (RST)"
 
 //SOLAXX1
 #define D_PV1_VOLTAGE     "Voltagem PV1"
diff --git a/tasmota/language/ro_RO.h b/tasmota/language/ro_RO.h
index 8b737ffbb..3904106aa 100644
--- a/tasmota/language/ro_RO.h
+++ b/tasmota/language/ro_RO.h
@@ -663,6 +663,8 @@
 #define D_SENSOR_SDM72_RX      "SDM72 Rx"
 #define D_SENSOR_SDM120_TX     "SDMx20 Tx"
 #define D_SENSOR_SDM120_RX     "SDMx20 Rx"
+#define D_SENSOR_SDM230_TX     "SDM230 Tx"
+#define D_SENSOR_SDM230_RX     "SDM230 Rx"
 #define D_SENSOR_SDM630_TX     "SDM630 Tx"
 #define D_SENSOR_SDM630_RX     "SDM630 Rx"
 #define D_SENSOR_WE517_TX      "WE517 Tx"
@@ -899,7 +901,7 @@
 #define D_OUT_OF_RANGE         "Out of Range"
 #define D_SENSOR_DETECTED      "detected"
 
-//SDM220, SDM120, SDM72, LE01MR
+//SDM220, SDM120, SDM72, LE01MR, SDM230
 #define D_EXPORT_POWER    "Export Power"
 #define D_IMPORT_POWER 	  "Import Power"
 #define D_PHASE_ANGLE     "Unghi de fază"
@@ -911,6 +913,7 @@
 #define D_UNIT_KWARH      "kVArh"
 #define D_UNIT_ANGLE      "Deg"
 #define D_TOTAL_ACTIVE    "Total Activ"
+#define D_RESETTABLE_TOTAL_ACTIVE    "Total Activ (RST)"
 
 //SOLAXX1
 #define D_PV1_VOLTAGE     "PV1 Voltaj"
diff --git a/tasmota/language/ru_RU.h b/tasmota/language/ru_RU.h
index c38aa4359..e5a20d29a 100644
--- a/tasmota/language/ru_RU.h
+++ b/tasmota/language/ru_RU.h
@@ -663,6 +663,8 @@
 #define D_SENSOR_SDM72_RX      "SDM72 Rx"
 #define D_SENSOR_SDM120_TX     "SDMx20 Tx"
 #define D_SENSOR_SDM120_RX     "SDMx20 Rx"
+#define D_SENSOR_SDM230_TX     "SDM230 Tx"
+#define D_SENSOR_SDM230_RX     "SDM230 Rx"
 #define D_SENSOR_SDM630_TX     "SDM630 Tx"
 #define D_SENSOR_SDM630_RX     "SDM630 Rx"
 #define D_SENSOR_WE517_TX      "WE517 Tx"
@@ -899,7 +901,7 @@
 #define D_OUT_OF_RANGE         "Out of Range"
 #define D_SENSOR_DETECTED      "detected"
 
-//SDM220, SDM120, SDM72, LE01MR
+//SDM220, SDM120, SDM72, LE01MR, SDM230
 #define D_EXPORT_POWER    "Export Power"
 #define D_IMPORT_POWER 	  "Import Power"
 #define D_PHASE_ANGLE     "Угол фазы"
@@ -911,6 +913,7 @@
 #define D_UNIT_KWARH      "кВАрЧ"
 #define D_UNIT_ANGLE      "Град"
 #define D_TOTAL_ACTIVE    "Total Active"
+#define D_RESETTABLE_TOTAL_ACTIVE    "Total Active (RST)"
 
 //SOLAXX1
 #define D_PV1_VOLTAGE     "PV1 Voltage"
diff --git a/tasmota/language/sk_SK.h b/tasmota/language/sk_SK.h
index 5e3c8b7d5..bbcc04877 100644
--- a/tasmota/language/sk_SK.h
+++ b/tasmota/language/sk_SK.h
@@ -663,6 +663,8 @@
 #define D_SENSOR_SDM72_RX      "SDM72 Rx"
 #define D_SENSOR_SDM120_TX     "SDMx20 Tx"
 #define D_SENSOR_SDM120_RX     "SDMx20 Rx"
+#define D_SENSOR_SDM230_TX     "SDM230 Tx"
+#define D_SENSOR_SDM230_RX     "SDM230 Rx"
 #define D_SENSOR_SDM630_TX     "SDM630 Tx"
 #define D_SENSOR_SDM630_RX     "SDM630 Rx"
 #define D_SENSOR_WE517_TX      "WE517 Tx"
@@ -899,7 +901,7 @@
 #define D_OUT_OF_RANGE         "Out of Range"
 #define D_SENSOR_DETECTED      "detected"
 
-//SDM220, SDM120, SDM72, LE01MR
+//SDM220, SDM120, SDM72, LE01MR, SDM230
 #define D_EXPORT_POWER    "Export Power"
 #define D_IMPORT_POWER 	  "Import Power"
 #define D_PHASE_ANGLE     "Phase Angle"
@@ -911,6 +913,7 @@
 #define D_UNIT_KWARH      "kVArh"
 #define D_UNIT_ANGLE      "Deg"
 #define D_TOTAL_ACTIVE    "Total Active"
+#define D_RESETTABLE_TOTAL_ACTIVE    "Total Active (RST)"
 
 //SOLAXX1
 #define D_PV1_VOLTAGE     "PV1 Voltage"
diff --git a/tasmota/language/sv_SE.h b/tasmota/language/sv_SE.h
index ee3547d13..a8294d2a7 100644
--- a/tasmota/language/sv_SE.h
+++ b/tasmota/language/sv_SE.h
@@ -663,6 +663,8 @@
 #define D_SENSOR_SDM72_RX      "SDM72 Rx"
 #define D_SENSOR_SDM120_TX     "SDMx20 Tx"
 #define D_SENSOR_SDM120_RX     "SDMx20 Rx"
+#define D_SENSOR_SDM230_TX     "SDM230 Tx"
+#define D_SENSOR_SDM230_RX     "SDM230 Rx"
 #define D_SENSOR_SDM630_TX     "SDM630 Tx"
 #define D_SENSOR_SDM630_RX     "SDM630 Rx"
 #define D_SENSOR_WE517_TX      "WE517 Tx"
@@ -899,7 +901,7 @@
 #define D_OUT_OF_RANGE         "Out of Range"
 #define D_SENSOR_DETECTED      "detected"
 
-//SDM220, SDM120, SDM72, LE01MR
+//SDM220, SDM120, SDM72, LE01MR, SDM230
 #define D_EXPORT_POWER    "Export Power"
 #define D_IMPORT_POWER 	  "Import Power"
 #define D_PHASE_ANGLE     "Fasvinkel"
@@ -911,6 +913,7 @@
 #define D_UNIT_KWARH      "kVArh"
 #define D_UNIT_ANGLE      "Deg"
 #define D_TOTAL_ACTIVE    "Total aktiv"
+#define D_RESETTABLE_TOTAL_ACTIVE    "Total aktiv (RST)"
 
 //SOLAXX1
 #define D_PV1_VOLTAGE     "PV1 Voltage"
diff --git a/tasmota/language/tr_TR.h b/tasmota/language/tr_TR.h
index d37d2755a..34f8730c8 100644
--- a/tasmota/language/tr_TR.h
+++ b/tasmota/language/tr_TR.h
@@ -663,6 +663,8 @@
 #define D_SENSOR_SDM72_RX      "SDM72 Rx"
 #define D_SENSOR_SDM120_TX     "SDMx20 Tx"
 #define D_SENSOR_SDM120_RX     "SDMx20 Rx"
+#define D_SENSOR_SDM230_TX     "SDM230 Tx"
+#define D_SENSOR_SDM230_RX     "SDM230 Rx"
 #define D_SENSOR_SDM630_TX     "SDM630 Tx"
 #define D_SENSOR_SDM630_RX     "SDM630 Rx"
 #define D_SENSOR_WE517_TX      "WE517 Tx"
@@ -899,7 +901,7 @@
 #define D_OUT_OF_RANGE         "Out of Range"
 #define D_SENSOR_DETECTED      "detected"
 
-//SDM220, SDM120, SDM72, LE01MR
+//SDM220, SDM120, SDM72, LE01MR, SDM230
 #define D_EXPORT_POWER    "Export Power"
 #define D_IMPORT_POWER 	  "Import Power"
 #define D_PHASE_ANGLE     "Phase Angle"
@@ -911,6 +913,7 @@
 #define D_UNIT_KWARH      "kVArh"
 #define D_UNIT_ANGLE      "Deg"
 #define D_TOTAL_ACTIVE    "Total Active"
+#define D_RESETTABLE_TOTAL_ACTIVE    "Total Active (RST)"
 
 //SOLAXX1
 #define D_PV1_VOLTAGE     "PV1 Voltage"
diff --git a/tasmota/language/uk_UA.h b/tasmota/language/uk_UA.h
index dcc9f168b..6f1ff7728 100644
--- a/tasmota/language/uk_UA.h
+++ b/tasmota/language/uk_UA.h
@@ -663,6 +663,8 @@
 #define D_SENSOR_SDM72_RX      "SDM72 Rx"
 #define D_SENSOR_SDM120_TX     "SDMx20 Tx"
 #define D_SENSOR_SDM120_RX     "SDMx20 Rx"
+#define D_SENSOR_SDM230_TX     "SDM230 Tx"
+#define D_SENSOR_SDM230_RX     "SDM230 Rx"
 #define D_SENSOR_SDM630_TX     "SDM630 Tx"
 #define D_SENSOR_SDM630_RX     "SDM630 Rx"
 #define D_SENSOR_WE517_TX      "WE517 Tx"
@@ -899,7 +901,7 @@
 #define D_OUT_OF_RANGE         "Out of Range"
 #define D_SENSOR_DETECTED      "detected"
 
-//SDM220, SDM120, SDM72, LE01MR
+//SDM220, SDM120, SDM72, LE01MR, SDM230
 #define D_EXPORT_POWER    "Export Power"
 #define D_IMPORT_POWER 	  "Import Power"
 #define D_PHASE_ANGLE     "Кут фази"
@@ -911,6 +913,7 @@
 #define D_UNIT_KWARH      "кВАр/г"
 #define D_UNIT_ANGLE      "Град"
 #define D_TOTAL_ACTIVE    "Total Active"
+#define D_RESETTABLE_TOTAL_ACTIVE    "Total Active (RST)"
 
 //SOLAXX1
 #define D_PV1_VOLTAGE     "PV1 Напруга"
diff --git a/tasmota/language/vi_VN.h b/tasmota/language/vi_VN.h
index 2bf694082..ac8b43d06 100644
--- a/tasmota/language/vi_VN.h
+++ b/tasmota/language/vi_VN.h
@@ -663,6 +663,8 @@
 #define D_SENSOR_SDM72_RX      "SDM72 Rx"
 #define D_SENSOR_SDM120_TX     "SDMx20 Tx"
 #define D_SENSOR_SDM120_RX     "SDMx20 Rx"
+#define D_SENSOR_SDM230_TX     "SDM230 Tx"
+#define D_SENSOR_SDM230_RX     "SDM230 Rx"
 #define D_SENSOR_SDM630_TX     "SDM630 Tx"
 #define D_SENSOR_SDM630_RX     "SDM630 Rx"
 #define D_SENSOR_WE517_TX      "WE517 Tx"
@@ -899,7 +901,7 @@
 #define D_OUT_OF_RANGE         "Out of Range"
 #define D_SENSOR_DETECTED      "detected"
 
-//SDM220, SDM120, SDM72, LE01MR
+//SDM220, SDM120, SDM72, LE01MR, SDM230
 #define D_EXPORT_POWER    "Export Power"
 #define D_IMPORT_POWER 	  "Import Power"
 #define D_PHASE_ANGLE     "Góc pha"
@@ -911,6 +913,7 @@
 #define D_UNIT_KWARH      "kVArh"
 #define D_UNIT_ANGLE      "Deg"
 #define D_TOTAL_ACTIVE    "Total Active"
+#define D_RESETTABLE_TOTAL_ACTIVE    "Total Active (RST)"
 
 //SOLAXX1
 #define D_PV1_VOLTAGE     "Điện áp PV1"
diff --git a/tasmota/language/zh_CN.h b/tasmota/language/zh_CN.h
index ba3c38301..e4a0d40c8 100644
--- a/tasmota/language/zh_CN.h
+++ b/tasmota/language/zh_CN.h
@@ -663,6 +663,8 @@
 #define D_SENSOR_SDM72_RX      "SDM72 Rx"
 #define D_SENSOR_SDM120_TX     "SDMx20 Tx"
 #define D_SENSOR_SDM120_RX     "SDMx20 Rx"
+#define D_SENSOR_SDM230_TX     "SDM230 Tx"
+#define D_SENSOR_SDM230_RX     "SDM230 Rx"
 #define D_SENSOR_SDM630_TX     "SDM630 Tx"
 #define D_SENSOR_SDM630_RX     "SDM630 Rx"
 #define D_SENSOR_WE517_TX      "WE517 Tx"
@@ -899,7 +901,7 @@
 #define D_OUT_OF_RANGE         "Out of Range"
 #define D_SENSOR_DETECTED      "detected"
 
-//SDM220, SDM120, SDM72, LE01MR
+//SDM220, SDM120, SDM72, LE01MR, SDM230
 #define D_EXPORT_POWER    "Export Power"
 #define D_IMPORT_POWER 	  "Import Power"
 #define D_PHASE_ANGLE     "相位角"
@@ -911,6 +913,7 @@
 #define D_UNIT_KWARH      "千乏时"
 #define D_UNIT_ANGLE      "度"
 #define D_TOTAL_ACTIVE    "Total Active"
+#define D_RESETTABLE_TOTAL_ACTIVE    "Total Active (RST)"
 
 //SOLAXX1
 #define D_PV1_VOLTAGE     "PV1 Voltage"
diff --git a/tasmota/language/zh_TW.h b/tasmota/language/zh_TW.h
index 0fd2067a1..f89b9b670 100644
--- a/tasmota/language/zh_TW.h
+++ b/tasmota/language/zh_TW.h
@@ -663,6 +663,8 @@
 #define D_SENSOR_SDM72_RX      "SDM72 Rx"
 #define D_SENSOR_SDM120_TX     "SDMx20 Tx"
 #define D_SENSOR_SDM120_RX     "SDMx20 Rx"
+#define D_SENSOR_SDM230_TX     "SDM230 Tx"
+#define D_SENSOR_SDM230_RX     "SDM230 Rx"
 #define D_SENSOR_SDM630_TX     "SDM630 Tx"
 #define D_SENSOR_SDM630_RX     "SDM630 Rx"
 #define D_SENSOR_WE517_TX      "WE517 Tx"
@@ -899,7 +901,7 @@
 #define D_OUT_OF_RANGE         "Out of Range"
 #define D_SENSOR_DETECTED      "detected"
 
-//SDM220, SDM120, SDM72, LE01MR
+//SDM220, SDM120, SDM72, LE01MR, SDM230
 #define D_EXPORT_POWER    "Export Power"
 #define D_IMPORT_POWER 	  "Import Power"
 #define D_PHASE_ANGLE     "相量(Phase Angle)"
@@ -911,6 +913,7 @@
 #define D_UNIT_KWARH      "kVArh"
 #define D_UNIT_ANGLE      "Deg"
 #define D_TOTAL_ACTIVE    "Total Active"
+#define D_RESETTABLE_TOTAL_ACTIVE    "Total Active (RST)"
 
 //SOLAXX1
 #define D_PV1_VOLTAGE     "PV1 Voltage"
diff --git a/tasmota/my_user_config.h b/tasmota/my_user_config.h
index 7e4afb25d..88e95d94b 100644
--- a/tasmota/my_user_config.h
+++ b/tasmota/my_user_config.h
@@ -781,6 +781,9 @@
   // #define SDM72_IMPEXP                            // Show additonal import/export active energy and power in MQTT and Web (+0k5 code)
 //#define USE_SDM120                               // Add support for Eastron SDM120-Modbus energy monitor (+1k1 code)
   #define SDM120_SPEED         2400              // SDM120-Modbus RS485 serial speed (default: 2400 baud)
+//#define USE_SDM230                               // Add support for Eastron SDM230-Modbus energy monitor (+1k6 code)
+  #define SDM230_SPEED         9600              // SDM230-Modbus RS485 serial speed (default: 9600 baud)
+//  #define SDM230_MORE_REGS                        // read more registers (see xnrg_21_sdm230.ino, may cause timing issues (at your own risk, +0k4 code))
 //#define USE_SDM630                               // Add support for Eastron SDM630-Modbus energy monitor (+0k6 code)
   #define SDM630_SPEED         9600              // SDM630-Modbus RS485 serial speed (default: 9600 baud)
 //  #define SDM630_IMPORT                          // Show import active energy in MQTT and Web (+0k3 code)
diff --git a/tasmota/tasmota_configurations.h b/tasmota/tasmota_configurations.h
index 18bbd4d18..6cbf24a84 100644
--- a/tasmota/tasmota_configurations.h
+++ b/tasmota/tasmota_configurations.h
@@ -199,6 +199,7 @@
 #define USE_MCP39F501                            // Add support for MCP39F501 Energy monitor as used in Shelly 2 (+3k1 code)
 #define USE_SDM72                                // Add support for Eastron SDM72-Modbus energy monitor (+0k3 code)
 #define USE_SDM120                               // Add support for Eastron SDM120-Modbus energy monitor (+1k1 code)
+//#define USE_SDM230                               // Add support for Eastron SDM230-Modbus energy monitor (+?? code)
 #define USE_SDM630                               // Add support for Eastron SDM630-Modbus energy monitor (+0k6 code)
 #define USE_DDS2382                              // Add support for Hiking DDS2382 Modbus energy monitor (+0k6 code)
 #define USE_DDSU666                              // Add support for Chint DDSU666 Modbus energy monitor (+0k6 code)
@@ -303,6 +304,7 @@
   #undef USE_MCP39F501                           // Disable MCP39F501 Energy monitor as used in Shelly 2
   #undef USE_SDM72                               // Disable support for Eastron SDM72-Modbus energy meter
   #undef USE_SDM120                              // Disable support for Eastron SDM120-Modbus energy meter
+  #undef USE_SDM230                              // Disable support for Eastron SDM230-Modbus energy monitor (+?? code)
   #undef USE_SDM630                              // Disable support for Eastron SDM630-Modbus energy monitor (+0k6 code)
   #undef USE_DDS2382                             // Disable support for Hiking DDS2382 Modbus energy monitor (+0k6 code)
   #undef USE_DDSU666                             // Disable support for Chint DDSU666 Modbus energy monitor (+0k6 code)
@@ -411,6 +413,7 @@
   #undef USE_MCP39F501                           // Disable MCP39F501 Energy monitor as used in Shelly 2
   #undef USE_SDM72                               // Disable support for Eastron SDM72-Modbus energy meter
   #undef USE_SDM120                              // Disable support for Eastron SDM120-Modbus energy meter
+  #undef USE_SDM230                              // Disable support for Eastron SDM230-Modbus energy monitor (+?? code)
   #undef USE_SDM630                              // Disable support for Eastron SDM630-Modbus energy monitor (+0k6 code)
   #undef USE_DDS2382                             // Disable support for Hiking DDS2382 Modbus energy monitor (+0k6 code)
   #undef USE_DDSU666                             // Disable support for Chint DDSU666 Modbus energy monitor (+0k6 code)
@@ -586,6 +589,7 @@
 #undef USE_MCP39F501                             // Disable MCP39F501 Energy monitor as used in Shelly 2
 #undef USE_SDM72                                 // Disable support for Eastron SDM72-Modbus energy meter
 #undef USE_SDM120                                // Disable support for Eastron SDM120-Modbus energy meter
+#undef USE_SDM230                                // Disable support for Eastron SDM230-Modbus energy monitor (+?? code)
 #undef USE_SDM630                                // Disable support for Eastron SDM630-Modbus energy monitor (+0k6 code)
 #undef USE_DDS2382                               // Disable support for Hiking DDS2382 Modbus energy monitor (+0k6 code)
 #undef USE_DDSU666                               // Disable support for Chint DDSU666 Modbus energy monitor (+0k6 code)
@@ -727,6 +731,7 @@
 //#undef USE_MCP39F501                             // Disable MCP39F501 Energy monitor as used in Shelly 2
 #undef USE_SDM72                                 // Disable support for Eastron SDM72-Modbus energy meter
 #undef USE_SDM120                                // Disable support for Eastron SDM120-Modbus energy meter
+#undef USE_SDM230                                // Disable support for Eastron SDM230-Modbus energy monitor (+?? code)
 #undef USE_SDM630                                // Disable support for Eastron SDM630-Modbus energy monitor (+0k6 code)
 #undef USE_DDS2382                               // Disable support for Hiking DDS2382 Modbus energy monitor (+0k6 code)
 #undef USE_DDSU666                               // Disable support for Chint DDSU666 Modbus energy monitor (+0k6 code)
@@ -870,6 +875,7 @@
 #undef USE_MCP39F501                             // Disable MCP39F501 Energy monitor as used in Shelly 2
 #undef USE_SDM72                                 // Disable support for Eastron SDM72-Modbus energy meter
 #undef USE_SDM120                                // Disable support for Eastron SDM120-Modbus energy meter
+#undef USE_SDM230                                // Disable support for Eastron SDM230-Modbus energy monitor (+?? code)
 #undef USE_SDM630                                // Disable support for Eastron SDM630-Modbus energy monitor (+0k6 code)
 #undef USE_DDS2382                               // Disable support for Hiking DDS2382 Modbus energy monitor (+0k6 code)
 #undef USE_DDSU666                               // Disable support for Chint DDSU666 Modbus energy monitor (+0k6 code)
diff --git a/tasmota/tasmota_configurations_ESP32.h b/tasmota/tasmota_configurations_ESP32.h
index 7062dd38a..bc6620370 100644
--- a/tasmota/tasmota_configurations_ESP32.h
+++ b/tasmota/tasmota_configurations_ESP32.h
@@ -517,6 +517,7 @@
 #define USE_MCP39F501                            // Add support for MCP39F501 Energy monitor as used in Shelly 2 (+3k1 code)
 #define USE_SDM72                                // Add support for Eastron SDM72-Modbus energy monitor (+0k3 code)
 #define USE_SDM120                               // Add support for Eastron SDM120-Modbus energy monitor (+1k1 code)
+#define USE_SDM230                               // Add support for Eastron SDM230-Modbus energy monitor (+?? code)
 #define USE_SDM630                               // Add support for Eastron SDM630-Modbus energy monitor (+0k6 code)
 #define USE_DDS2382                              // Add support for Hiking DDS2382 Modbus energy monitor (+0k6 code)
 #define USE_DDSU666                              // Add support for Chint DDSU666 Modbus energy monitor (+0k6 code)
diff --git a/tasmota/tasmota_template.h b/tasmota/tasmota_template.h
index 749cc8bb2..737788a13 100644
--- a/tasmota/tasmota_template.h
+++ b/tasmota/tasmota_template.h
@@ -179,6 +179,7 @@ enum UserSelectablePins {
   GPIO_SHIFT595_SRCLK, GPIO_SHIFT595_RCLK, GPIO_SHIFT595_OE, GPIO_SHIFT595_SER,   // 74x595 Shift register
   GPIO_SOLAXX1_RTS,                    // Solax Inverter Serial interface
   GPIO_OPTION_E,                       // Emulated module
+  GPIO_SDM230_TX, GPIO_SDM230_RX,      // SDM230 Serial interface
   GPIO_SENSOR_END };
 
 enum ProgramSelectablePins {
@@ -397,6 +398,7 @@ const char kSensorNames[] PROGMEM =
   D_GPIO_SHIFT595_SRCLK "|" D_GPIO_SHIFT595_RCLK "|" D_GPIO_SHIFT595_OE "|" D_GPIO_SHIFT595_SER "|"
   D_SENSOR_SOLAXX1_RTS "|"
   D_SENSOR_OPTION " E|"
+  D_SENSOR_SDM230_TX "|" D_SENSOR_SDM230_RX
 ;
 
 const char kSensorNamesFixed[] PROGMEM =
@@ -760,6 +762,10 @@ const uint16_t kGpioNiceList[] PROGMEM = {
   AGPIO(GPIO_SDM72_RX),      // SDM72 Serial interface
 #endif
   AGPIO(GPIO_ZEROCROSS),
+#ifdef USE_SDM230
+  AGPIO(GPIO_SDM230_TX),      // SDM230 Serial interface
+  AGPIO(GPIO_SDM230_RX),      // SDM230 Serial interface
+#endif
 #endif  // USE_ENERGY_SENSOR
 
 /*-------------------------------------------------------------------------------------------*\
diff --git a/tasmota/xnrg_21_sdm230.ino b/tasmota/xnrg_21_sdm230.ino
new file mode 100644
index 000000000..9cdbdea81
--- /dev/null
+++ b/tasmota/xnrg_21_sdm230.ino
@@ -0,0 +1,282 @@
+/*
+  xnrg_08_sdm230.ino - Eastron SDM230-Modbus energy meter support for Tasmota
+
+  Copyright (C) 2021  Gennaro Tortone and Theo Arends
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifdef USE_ENERGY_SENSOR
+#ifdef USE_SDM230
+/*********************************************************************************************\
+ * Eastron SDM230 Modbus energy meter
+ *
+ * Based on: existing tasmota drivers for SDM120 and SDM630,
+ * https://github.com/reaper7/SDM_Energy_Meter and https://github.com/nmakel/sdm_modbus
+ 
+ * manuals can be found here:
+ * German:  https://bg-etech.de/download/manual/SDM230-Modbus.pdf
+ * English: https://www.eastroneurope.com/images/uploads/products/manuals/SDM230_Sereis_Manual.pdf
+ * Protocol Spec: https://www.eastroneurope.com/images/uploads/products/protocol/Correct_SDM230_Protocol.pdf
+\*********************************************************************************************/
+
+#define XNRG_21             21
+
+// can be user defined in my_user_config.h
+#ifndef SDM230_SPEED
+  #define SDM230_SPEED      9600    // default SDM230 Modbus baudrate
+#endif
+// can be user defined in my_user_config.h
+#ifndef SDM230_ADDR
+  #define SDM230_ADDR       1       // default SDM120 Modbus address
+#endif
+
+#include <TasmotaModbus.h>
+TasmotaModbus *Sdm230Modbus;
+
+// read all default registers for generic energy driver
+const uint16_t sdm230_start_addresses[] {
+  0x0000,   // SDM230_VOLTAGE                             [V]
+  0x0006,   // SDM230_CURRENT                             [A]
+  0x000C,   // SDM230_POWER (Active)                      [W]
+  0x0012,   // SDM230_POWER (Apparent) G                  [VA]
+  0x0018,   // SDM230_POWER (Reactive)                    [VAr]
+  0x001E,   // SDM230_POWER_FACTOR 
+  0x0046,   // SDM230_FREQUENCY                           [Hz]
+  0X0048,   // SDM230_IMPORT_ACTIVE                       [kWh]
+  0X004A,   // SDM230_EXPORT_ACTIVE                       [kWh]
+//  0X0156,   // SDM230_TOTAL_ENERGY_ACTIVE                 [kWh] // = SDM230_IMPORT_ACTIVE = Energy.total
+
+// read more registers offered by SDM230 (may cause timing issues)
+#ifdef SDM230_MORE_REGS
+  0x0024,   // SDM230_PHASE ANGLE                         [Degree]
+  0X0056,   // SDM230_MAXIMUM_TOTAL_DEMAND_POWER_ACTIVE   [W]
+  0X0180,   // SDM230_RESETTABLE_TOTAL_ENERGY_ACTIVE      [kWh]
+#endif // SDM230_MORE_REGS
+
+// for documentation / further use or implementation
+//  0X0158,   // SDM230_TOTAL_ENERGY_REACTIVE               [kVArh]
+//  0X0182,   // SDM230_RESETTABLE_TOTAL_ENERGY_REACTIVE    [kVArh]
+//  0X004C,   // SDM230_IMPORT_REACTIVE                     [kVArh]
+//  0X004E,   // SDM230_EXPORT_REACTIVE                     [kVArh]
+//  0X0054,   // SDM230_TOTAL_DEMAND_POWER_ACTIVE           [W]
+//  0X0058,   // SDM230_IMPORT_DEMAND_POWER_ACTIVE          [W]
+//  0X005A,   // SDM230_MAXIMUM_IMPORT_DEMAND_POWER_ACTIVE  [W]
+//  0X005C,   // SDM230_EXPORT_DEMAND_POWER_ACTIVE          [W]
+//  0X005E,   // SDM230_MAXIMUM_EXPORT_DEMAND_POWER_ACTIVE  [W]
+//  0X0102,   // SDM230_TOTAL_DEMAND_CURRENT                [A]
+//  0X0108,   // SDM230_MAXIMUM_TOTAL_DEMAND_CURRENT        [A]
+};
+
+struct SDM230 {
+#ifdef SDM230_MORE_REGS
+  float phase_angle = 0;
+  float maximum_total_demand_power_active = 0;
+  float resettable_total_energy = 0;
+#endif // SDM230_MORE_REGS
+  uint8_t read_state = 0;
+  uint8_t send_retry = 0;
+} Sdm230;
+
+/*********************************************************************************************/
+
+void SDM230Every250ms(void)
+{
+  bool data_ready = Sdm230Modbus->ReceiveReady();
+
+  if (data_ready) {
+    uint8_t buffer[14];  // At least 5 + (2 * 2) = 9
+
+    uint32_t error = Sdm230Modbus->ReceiveBuffer(buffer, 2);
+    AddLogBuffer(LOG_LEVEL_DEBUG_MORE, buffer, Sdm230Modbus->ReceiveCount());
+
+    if (error) {
+      AddLog(LOG_LEVEL_DEBUG, PSTR("SDM: SDM230 error %d"), error);
+    } else {
+      Energy.data_valid[0] = 0;
+
+      //  0  1  2  3  4  5  6  7  8
+      // SA FC BC Fh Fl Sh Sl Cl Ch
+      // 01 04 04 43 66 33 34 1B 38 = 230.2 Volt
+      float value;
+      ((uint8_t*)&value)[3] = buffer[3];   // Get float values
+      ((uint8_t*)&value)[2] = buffer[4];
+      ((uint8_t*)&value)[1] = buffer[5];
+      ((uint8_t*)&value)[0] = buffer[6];
+
+      switch(Sdm230.read_state) {
+        case 0:
+          Energy.voltage[0] = value;          // 230.2 V
+          break;
+
+        case 1:
+          Energy.current[0]  = value;         // 1.260 A
+          break;
+
+        case 2:
+          Energy.active_power[0] = value;     // -196.3 W
+          break;
+
+        case 3:
+          Energy.apparent_power[0] = value;   // 223.4 VA
+          break;
+
+        case 4:
+          Energy.reactive_power[0] = value;   // 92.2
+          break;
+
+        case 5:
+          Energy.power_factor[0] = value;     // -0.91
+          break;
+
+        case 6:
+          Energy.frequency[0] = value;        // 50.0 Hz
+          break;
+
+        case 7:
+          Energy.import_active[0] = value;     // 6.216 kWh => used in EnergyUpdateTotal()
+          break;
+
+        case 8:
+          Energy.export_active[0] = value;    // 478.492 kWh
+          break;
+
+        #ifdef SDM230_MORE_REGS 
+        case 9:
+          Sdm230.phase_angle = value;      // 0.00 Deg
+          break;
+
+        case 10:
+          Sdm230.maximum_total_demand_power_active  = value;  
+          break;
+
+        case 11:
+          Sdm230.resettable_total_energy = value;  
+          break;
+        #endif // SDM230_MORE_REGS
+      }
+
+      Sdm230.read_state++;
+      if (sizeof(sdm230_start_addresses)/2 == Sdm230.read_state) {
+        Sdm230.read_state = 0;
+        EnergyUpdateTotal();                 // update every cycle after all registers have been read 
+      }
+      
+    }
+  } // end data ready
+
+  if (0 == Sdm230.send_retry || data_ready) {
+    Sdm230.send_retry = 5;
+    Sdm230Modbus->Send(SDM230_ADDR, 0x04, sdm230_start_addresses[Sdm230.read_state], 2);
+  } else {
+    Sdm230.send_retry--;
+  }
+}
+
+void Sdm230SnsInit(void)
+{
+  Sdm230Modbus = new TasmotaModbus(Pin(GPIO_SDM230_RX), Pin(GPIO_SDM230_TX));
+  uint8_t result = Sdm230Modbus->Begin(SDM230_SPEED);
+  if (result) {
+    if (2 == result) { ClaimSerial(); }
+      Energy.phase_count = 1;
+      Energy.frequency_common = true;             // Use common frequency
+  } else {
+    TasmotaGlobal.energy_driver = ENERGY_NONE;
+  }
+}
+
+void Sdm230DrvInit(void)
+{
+  if (PinUsed(GPIO_SDM230_RX) && PinUsed(GPIO_SDM230_TX)) {
+    TasmotaGlobal.energy_driver = XNRG_21;
+  }
+}
+
+void Sdm230Reset(void)
+{
+  #ifdef SDM230_MORE_REGS
+  Sdm230.phase_angle = 0;
+  Sdm230.maximum_total_demand_power_active = 0;
+  Sdm230.resettable_total_energy = 0;
+  #endif // SDM230_MORE_REGS
+}
+
+#ifdef SDM230_MORE_REGS
+#ifdef USE_WEBSERVER
+const char HTTP_ENERGY_SDM230[] PROGMEM =
+  "{s}" D_PHASE_ANGLE "{m}%s " D_UNIT_ANGLE "{e}"
+  "{s}" D_MAX_POWER "{m}%s " D_UNIT_WATT "{e}"
+  "{s}" D_RESETTABLE_TOTAL_ACTIVE "{m}%s " D_UNIT_KILOWATTHOUR "{e}";
+#endif  // USE_WEBSERVER
+#endif  // SDM230_MORE_REGS
+
+#ifdef SDM230_MORE_REGS
+void Sdm230Show(bool json)
+{
+  char phase_angle_chr[FLOATSZ];
+  dtostrfd(Sdm230.phase_angle, 2, phase_angle_chr);
+  char maximum_demand_chr[FLOATSZ];
+  dtostrfd(Sdm230.maximum_total_demand_power_active, Settings->flag2.wattage_resolution, maximum_demand_chr);
+  char resettable_energy_chr[FLOATSZ];
+  dtostrfd(Sdm230.resettable_total_energy, Settings->flag2.energy_resolution, resettable_energy_chr);
+
+  if (json) {
+    ResponseAppend_P(PSTR(",\"" D_JSON_PHASE_ANGLE "\":%s,\"" D_JSON_POWERMAX "\":%s,\"" D_JSON_RESETTABLE_TOTAL_ACTIVE "\":%s"),
+      phase_angle_chr, maximum_demand_chr, resettable_energy_chr);
+#ifdef USE_WEBSERVER
+  } else {
+    WSContentSend_PD(HTTP_ENERGY_SDM230, phase_angle_chr, maximum_demand_chr, resettable_energy_chr);
+#endif  // USE_WEBSERVER
+  }
+}
+#endif  // SDM230_MORE_REGS
+
+/*********************************************************************************************\
+ * Interface
+\*********************************************************************************************/
+
+bool Xnrg21(uint8_t function)
+{
+  bool result = false;
+
+  switch (function) {
+    case FUNC_EVERY_250_MSECOND:
+      SDM230Every250ms();
+      break;
+#ifdef SDM230_MORE_REGS
+    case FUNC_JSON_APPEND:
+      Sdm230Show(1);
+      break;
+#ifdef USE_WEBSERVER
+    case FUNC_WEB_SENSOR:
+      Sdm230Show(0);
+      break;
+#endif  // USE_WEBSERVER
+#endif  // SDM230_MORE_REGS
+    case FUNC_ENERGY_RESET:
+      Sdm230Reset();
+      break;
+    case FUNC_INIT:
+      Sdm230SnsInit();
+      break;
+    case FUNC_PRE_INIT:
+      Sdm230DrvInit();
+      break;
+  }
+  return result;
+}
+
+#endif  // USE_SDM230
+#endif  // USE_ENERGY_SENSOR