diff --git a/tasmota/language/bg_BG.h b/tasmota/language/bg_BG.h
index 8f2c626c4..ca4afb0bc 100644
--- a/tasmota/language/bg_BG.h
+++ b/tasmota/language/bg_BG.h
@@ -703,6 +703,8 @@
 #define D_SENSOR_ETH_PHY_MDIO  "ETH MDIO"
 #define D_SENSOR_TCP_TXD       "TCP Tx"
 #define D_SENSOR_TCP_RXD       "TCP Rx"
+#define D_SENSOR_IEM3000_TX    "iEM3000 TX"
+#define D_SENSOR_IEM3000_RX    "iEM3000 RX"
 
 // Units
 #define D_UNIT_AMPERE "A"
diff --git a/tasmota/language/cs_CZ.h b/tasmota/language/cs_CZ.h
index e857b8e69..b07d032e7 100644
--- a/tasmota/language/cs_CZ.h
+++ b/tasmota/language/cs_CZ.h
@@ -703,6 +703,8 @@
 #define D_SENSOR_ETH_PHY_MDIO  "ETH MDIO"
 #define D_SENSOR_TCP_TXD       "TCP Tx"
 #define D_SENSOR_TCP_RXD       "TCP Rx"
+#define D_SENSOR_IEM3000_TX    "iEM3000 TX"
+#define D_SENSOR_IEM3000_RX    "iEM3000 RX"
 
 // Units
 #define D_UNIT_AMPERE "A"
diff --git a/tasmota/language/de_DE.h b/tasmota/language/de_DE.h
index b31e07901..3517251be 100644
--- a/tasmota/language/de_DE.h
+++ b/tasmota/language/de_DE.h
@@ -703,6 +703,8 @@
 #define D_SENSOR_ETH_PHY_MDIO  "ETH MDIO"
 #define D_SENSOR_TCP_TXD       "TCP Tx"
 #define D_SENSOR_TCP_RXD       "TCP Rx"
+#define D_SENSOR_IEM3000_TX    "iEM3000 TX"
+#define D_SENSOR_IEM3000_RX    "iEM3000 RX"
 
 // Units
 #define D_UNIT_AMPERE "A"
diff --git a/tasmota/language/el_GR.h b/tasmota/language/el_GR.h
index 709c8f6c3..8eaff86f0 100644
--- a/tasmota/language/el_GR.h
+++ b/tasmota/language/el_GR.h
@@ -703,6 +703,8 @@
 #define D_SENSOR_ETH_PHY_MDIO  "ETH MDIO"
 #define D_SENSOR_TCP_TXD       "TCP Tx"
 #define D_SENSOR_TCP_RXD       "TCP Rx"
+#define D_SENSOR_IEM3000_TX    "iEM3000 TX"
+#define D_SENSOR_IEM3000_RX    "iEM3000 RX"
 
 // Units
 #define D_UNIT_AMPERE "A"
diff --git a/tasmota/language/en_GB.h b/tasmota/language/en_GB.h
index 1586a0f92..98badad64 100644
--- a/tasmota/language/en_GB.h
+++ b/tasmota/language/en_GB.h
@@ -703,6 +703,8 @@
 #define D_SENSOR_ETH_PHY_MDIO  "ETH MDIO"
 #define D_SENSOR_TCP_TXD       "TCP Tx"
 #define D_SENSOR_TCP_RXD       "TCP Rx"
+#define D_SENSOR_IEM3000_TX    "iEM3000 TX"
+#define D_SENSOR_IEM3000_RX    "iEM3000 RX"
 
 // Units
 #define D_UNIT_AMPERE "A"
diff --git a/tasmota/language/es_ES.h b/tasmota/language/es_ES.h
index b23f71915..04116ea2a 100644
--- a/tasmota/language/es_ES.h
+++ b/tasmota/language/es_ES.h
@@ -703,6 +703,8 @@
 #define D_SENSOR_ETH_PHY_MDIO  "ETH MDIO"
 #define D_SENSOR_TCP_TXD       "TCP Tx"
 #define D_SENSOR_TCP_RXD       "TCP Rx"
+#define D_SENSOR_IEM3000_TX    "iEM3000 TX"
+#define D_SENSOR_IEM3000_RX    "iEM3000 RX"
 
 // Units
 #define D_UNIT_AMPERE "A"
diff --git a/tasmota/language/fr_FR.h b/tasmota/language/fr_FR.h
index a1ceba0a2..8aea1b4cc 100644
--- a/tasmota/language/fr_FR.h
+++ b/tasmota/language/fr_FR.h
@@ -703,6 +703,8 @@
 #define D_SENSOR_ETH_PHY_MDIO  "ETH MDIO"
 #define D_SENSOR_TCP_TXD       "TCP Tx"
 #define D_SENSOR_TCP_RXD       "TCP Rx"
+#define D_SENSOR_IEM3000_TX    "iEM3000 TX"
+#define D_SENSOR_IEM3000_RX    "iEM3000 RX"
 
 // Units
 #define D_UNIT_AMPERE "A"
diff --git a/tasmota/language/he_HE.h b/tasmota/language/he_HE.h
index d9cf1e435..f7a721739 100644
--- a/tasmota/language/he_HE.h
+++ b/tasmota/language/he_HE.h
@@ -703,6 +703,8 @@
 #define D_SENSOR_ETH_PHY_MDIO  "ETH MDIO"
 #define D_SENSOR_TCP_TXD       "TCP Tx"
 #define D_SENSOR_TCP_RXD       "TCP Rx"
+#define D_SENSOR_IEM3000_TX    "iEM3000 TX"
+#define D_SENSOR_IEM3000_RX    "iEM3000 RX"
 
 // Units
 #define D_UNIT_AMPERE "A"
diff --git a/tasmota/language/hu_HU.h b/tasmota/language/hu_HU.h
index 1df3e0a4e..f521c06fd 100644
--- a/tasmota/language/hu_HU.h
+++ b/tasmota/language/hu_HU.h
@@ -703,6 +703,8 @@
 #define D_SENSOR_ETH_PHY_MDIO  "ETH MDIO"
 #define D_SENSOR_TCP_TXD       "TCP Tx"
 #define D_SENSOR_TCP_RXD       "TCP Rx"
+#define D_SENSOR_IEM3000_TX    "iEM3000 TX"
+#define D_SENSOR_IEM3000_RX    "iEM3000 RX"
 
 // Units
 #define D_UNIT_AMPERE "A"
diff --git a/tasmota/language/it_IT.h b/tasmota/language/it_IT.h
index 3623f861b..788cee051 100644
--- a/tasmota/language/it_IT.h
+++ b/tasmota/language/it_IT.h
@@ -703,6 +703,8 @@
 #define D_SENSOR_ETH_PHY_MDIO  "ETH MDIO"
 #define D_SENSOR_TCP_TXD       "TCP - TX"
 #define D_SENSOR_TCP_RXD       "TCP - RX"
+#define D_SENSOR_IEM3000_TX    "iEM3000 TX"
+#define D_SENSOR_IEM3000_RX    "iEM3000 RX"
 
 // Units
 #define D_UNIT_AMPERE "A"
diff --git a/tasmota/language/ko_KO.h b/tasmota/language/ko_KO.h
index a26dba20e..d635d1d65 100644
--- a/tasmota/language/ko_KO.h
+++ b/tasmota/language/ko_KO.h
@@ -703,6 +703,8 @@
 #define D_SENSOR_ETH_PHY_MDIO  "ETH MDIO"
 #define D_SENSOR_TCP_TXD       "TCP Tx"
 #define D_SENSOR_TCP_RXD       "TCP Rx"
+#define D_SENSOR_IEM3000_TX    "iEM3000 TX"
+#define D_SENSOR_IEM3000_RX    "iEM3000 RX"
 
 // Units
 #define D_UNIT_AMPERE "A"
diff --git a/tasmota/language/nl_NL.h b/tasmota/language/nl_NL.h
index 15d5c715b..b024dc538 100644
--- a/tasmota/language/nl_NL.h
+++ b/tasmota/language/nl_NL.h
@@ -703,6 +703,8 @@
 #define D_SENSOR_ETH_PHY_MDIO  "ETH MDIO"
 #define D_SENSOR_TCP_TXD       "TCP Tx"
 #define D_SENSOR_TCP_RXD       "TCP Rx"
+#define D_SENSOR_IEM3000_TX    "iEM3000 TX"
+#define D_SENSOR_IEM3000_RX    "iEM3000 RX"
 
 // Units
 #define D_UNIT_AMPERE "A"
diff --git a/tasmota/language/pl_PL.h b/tasmota/language/pl_PL.h
index 446660469..0ecea1a77 100644
--- a/tasmota/language/pl_PL.h
+++ b/tasmota/language/pl_PL.h
@@ -703,6 +703,8 @@
 #define D_SENSOR_ETH_PHY_MDIO  "ETH MDIO"
 #define D_SENSOR_TCP_TXD       "TCP Tx"
 #define D_SENSOR_TCP_RXD       "TCP Rx"
+#define D_SENSOR_IEM3000_TX    "iEM3000 TX"
+#define D_SENSOR_IEM3000_RX    "iEM3000 RX"
 
 // Units
 #define D_UNIT_AMPERE "A"
diff --git a/tasmota/language/pt_BR.h b/tasmota/language/pt_BR.h
index 56c5811e6..be5d98464 100644
--- a/tasmota/language/pt_BR.h
+++ b/tasmota/language/pt_BR.h
@@ -703,6 +703,8 @@
 #define D_SENSOR_ETH_PHY_MDIO  "ETH MDIO"
 #define D_SENSOR_TCP_TXD       "TCP Tx"
 #define D_SENSOR_TCP_RXD       "TCP Rx"
+#define D_SENSOR_IEM3000_TX    "iEM3000 TX"
+#define D_SENSOR_IEM3000_RX    "iEM3000 RX"
 
 // Units
 #define D_UNIT_AMPERE "A"
diff --git a/tasmota/language/pt_PT.h b/tasmota/language/pt_PT.h
index 930ac2b1b..c489327a7 100644
--- a/tasmota/language/pt_PT.h
+++ b/tasmota/language/pt_PT.h
@@ -703,6 +703,8 @@
 #define D_SENSOR_ETH_PHY_MDIO  "ETH MDIO"
 #define D_SENSOR_TCP_TXD       "TCP Tx"
 #define D_SENSOR_TCP_RXD       "TCP Rx"
+#define D_SENSOR_IEM3000_TX    "iEM3000 TX"
+#define D_SENSOR_IEM3000_RX    "iEM3000 RX"
 
 // Units
 #define D_UNIT_AMPERE "A"
diff --git a/tasmota/language/ro_RO.h b/tasmota/language/ro_RO.h
index 6f38bffe7..23f160f19 100644
--- a/tasmota/language/ro_RO.h
+++ b/tasmota/language/ro_RO.h
@@ -703,6 +703,8 @@
 #define D_SENSOR_ETH_PHY_MDIO  "ETH MDIO"
 #define D_SENSOR_TCP_TXD       "TCP Tx"
 #define D_SENSOR_TCP_RXD       "TCP Rx"
+#define D_SENSOR_IEM3000_TX    "iEM3000 TX"
+#define D_SENSOR_IEM3000_RX    "iEM3000 RX"
 
 // Units
 #define D_UNIT_AMPERE "A"
diff --git a/tasmota/language/ru_RU.h b/tasmota/language/ru_RU.h
index 051395ed7..b033ebcd1 100644
--- a/tasmota/language/ru_RU.h
+++ b/tasmota/language/ru_RU.h
@@ -703,6 +703,8 @@
 #define D_SENSOR_ETH_PHY_MDIO  "ETH MDIO"
 #define D_SENSOR_TCP_TXD       "TCP Tx"
 #define D_SENSOR_TCP_RXD       "TCP Rx"
+#define D_SENSOR_IEM3000_TX    "iEM3000 TX"
+#define D_SENSOR_IEM3000_RX    "iEM3000 RX"
 
 // Units
 #define D_UNIT_AMPERE "А"
diff --git a/tasmota/language/sk_SK.h b/tasmota/language/sk_SK.h
index d0109c930..9e5cc35e0 100644
--- a/tasmota/language/sk_SK.h
+++ b/tasmota/language/sk_SK.h
@@ -703,6 +703,8 @@
 #define D_SENSOR_ETH_PHY_MDIO  "ETH MDIO"
 #define D_SENSOR_TCP_TXD       "TCP Tx"
 #define D_SENSOR_TCP_RXD       "TCP Rx"
+#define D_SENSOR_IEM3000_TX    "iEM3000 TX"
+#define D_SENSOR_IEM3000_RX    "iEM3000 RX"
 
 // Units
 #define D_UNIT_AMPERE "A"
diff --git a/tasmota/language/sv_SE.h b/tasmota/language/sv_SE.h
index 76385a4f6..ac416e9b5 100644
--- a/tasmota/language/sv_SE.h
+++ b/tasmota/language/sv_SE.h
@@ -703,6 +703,8 @@
 #define D_SENSOR_ETH_PHY_MDIO  "ETH MDIO"
 #define D_SENSOR_TCP_TXD       "TCP Tx"
 #define D_SENSOR_TCP_RXD       "TCP Rx"
+#define D_SENSOR_IEM3000_TX    "iEM3000 TX"
+#define D_SENSOR_IEM3000_RX    "iEM3000 RX"
 
 // Units
 #define D_UNIT_AMPERE "A"
diff --git a/tasmota/language/tr_TR.h b/tasmota/language/tr_TR.h
index 8e7d34d2f..f402cf803 100644
--- a/tasmota/language/tr_TR.h
+++ b/tasmota/language/tr_TR.h
@@ -703,6 +703,8 @@
 #define D_SENSOR_ETH_PHY_MDIO  "ETH MDIO"
 #define D_SENSOR_TCP_TXD       "TCP Tx"
 #define D_SENSOR_TCP_RXD       "TCP Rx"
+#define D_SENSOR_IEM3000_TX    "iEM3000 TX"
+#define D_SENSOR_IEM3000_RX    "iEM3000 RX"
 
 // Units
 #define D_UNIT_AMPERE "A"
diff --git a/tasmota/language/uk_UA.h b/tasmota/language/uk_UA.h
index d4763bcfa..97cd77f91 100644
--- a/tasmota/language/uk_UA.h
+++ b/tasmota/language/uk_UA.h
@@ -703,6 +703,8 @@
 #define D_SENSOR_ETH_PHY_MDIO  "ETH MDIO"
 #define D_SENSOR_TCP_TXD       "TCP Tx"
 #define D_SENSOR_TCP_RXD       "TCP Rx"
+#define D_SENSOR_IEM3000_TX    "iEM3000 TX"
+#define D_SENSOR_IEM3000_RX    "iEM3000 RX"
 
 // Units
 #define D_UNIT_AMPERE                    "А"
diff --git a/tasmota/language/zh_CN.h b/tasmota/language/zh_CN.h
index 84ce0991f..10f609c64 100644
--- a/tasmota/language/zh_CN.h
+++ b/tasmota/language/zh_CN.h
@@ -703,6 +703,8 @@
 #define D_SENSOR_ETH_PHY_MDIO  "ETH MDIO"
 #define D_SENSOR_TCP_TXD       "TCP Tx"
 #define D_SENSOR_TCP_RXD       "TCP Rx"
+#define D_SENSOR_IEM3000_TX    "iEM3000 TX"
+#define D_SENSOR_IEM3000_RX    "iEM3000 RX"
 
 // Units
 #define D_UNIT_AMPERE "安"
diff --git a/tasmota/language/zh_TW.h b/tasmota/language/zh_TW.h
index 4762b9c16..e2382764b 100644
--- a/tasmota/language/zh_TW.h
+++ b/tasmota/language/zh_TW.h
@@ -703,6 +703,8 @@
 #define D_SENSOR_ETH_PHY_MDIO  "ETH MDIO"
 #define D_SENSOR_TCP_TXD       "TCP Tx"
 #define D_SENSOR_TCP_RXD       "TCP Rx"
+#define D_SENSOR_IEM3000_TX    "iEM3000 TX"
+#define D_SENSOR_IEM3000_RX    "iEM3000 RX"
 
 // Units
 #define D_UNIT_AMPERE "安"
diff --git a/tasmota/my_user_config.h b/tasmota/my_user_config.h
index 3d9e904ca..57ebbd121 100644
--- a/tasmota/my_user_config.h
+++ b/tasmota/my_user_config.h
@@ -640,6 +640,9 @@
 #define USE_BL0940                               // Add support for BL0940 Energy monitor as used in Blitzwolf SHP-10 (+1k6 code)
 //#define USE_TELEINFO                             // Add support for Teleinfo via serial RX interface (+5k2 code, +168 RAM + SmartMeter LinkedList Values RAM)
 //  #define USE_TELEINFO_STANDARD                  // Use standard mode (9600 bps) else it's historical mode (1200 bps)
+//#define USE_IEM3000                              // Add support for Schneider Electric iEM3000-Modbus series energy monitor (+0k8 code)
+  #define IEM3000_SPEED          19200           // iEM3000-Modbus RS485 serial speed (default: 19200 baud)
+  #define IEM3000_ADDR           1               // iEM3000-Modbus modbus address (default: 0x01)
 
 // -- Low level interface devices -----------------
 #define USE_DHT                                  // Add support for DHT11, AM2301 (DHT21, DHT22, AM2302, AM2321) and SI7021 Temperature and Humidity sensor (1k6 code)
diff --git a/tasmota/support_features.ino b/tasmota/support_features.ino
index 6dfb5ee0e..0561eac6b 100644
--- a/tasmota/support_features.ino
+++ b/tasmota/support_features.ino
@@ -323,7 +323,6 @@ void GetFeatures(void)
 #ifdef USE_TM1638
   feature_sns1 |= 0x80000000;  // xsns_28_tm1638.ino
 #endif
-
 /*********************************************************************************************/
 
   feature_sns2 = 0x00000000;
@@ -593,7 +592,9 @@ void GetFeatures(void)
 #ifdef USE_PROMETHEUS
   feature6 |= 0x00100000;  // xsns_75_prometheus.ino
 #endif
-//  feature6 |= 0x00200000;
+#if defined(USE_ENERGY_SENSOR) && defined(USE_IEM3000)
+  feature6 |= 0x00200000;  // xnrg_16_iem3000.ino
+#endif
 //  feature6 |= 0x00400000;
 //  feature6 |= 0x00800000;
 
diff --git a/tasmota/tasmota_template.h b/tasmota/tasmota_template.h
index bd1c009de..7ccd1fd0e 100644
--- a/tasmota/tasmota_template.h
+++ b/tasmota/tasmota_template.h
@@ -239,6 +239,8 @@ enum UserSelectablePins {
   GPIO_TELEINFO_RX,    // TELEINFO serial interface
   GPIO_TELEINFO_ENABLE,// TELEINFO Enable PIN
   GPIO_LMT01,          // LMT01 input counting pin
+  GPIO_IEM3000_TX,     // IEM3000 Serial interface
+  GPIO_IEM3000_RX,     // IEM3000 Serial interface
   GPIO_SENSOR_END };
 
 // Programmer selectable GPIO functionality
@@ -332,7 +334,8 @@ const char kSensorNames[] PROGMEM =
   D_SENSOR_BL0940_RX "|"
   D_SENSOR_TCP_TXD "|" D_SENSOR_TCP_RXD "|"
   D_SENSOR_TELEINFO_RX "|" D_SENSOR_TELEINFO_ENABLE "|"
-  D_SENSOR_LMT01_PULSE
+  D_SENSOR_LMT01_PULSE "|"
+  D_SENSOR_IEM3000_TX "|" D_SENSOR_IEM3000_RX
   ;
 
 const char kSensorNamesFixed[] PROGMEM =
@@ -578,6 +581,10 @@ const uint8_t kGpioNiceList[] PROGMEM = {
 #ifdef USE_BL0940
   GPIO_BL0940_RX,     // BL0940 Serial interface
 #endif
+#ifdef USE_IEM3000
+  GPIO_IEM3000_TX,    // IEM3000 Serial interface
+  GPIO_IEM3000_RX,    // IEM3000 Serial interface
+#endif
 #endif  // USE_ENERGY_SENSOR
 
 // Serial
diff --git a/tasmota/tasmota_template_ESP32.h b/tasmota/tasmota_template_ESP32.h
index e5b30a5b1..7da1ba827 100644
--- a/tasmota/tasmota_template_ESP32.h
+++ b/tasmota/tasmota_template_ESP32.h
@@ -134,6 +134,7 @@ enum UserSelectablePins {
   GPIO_TELEINFO_RX,                    // Teleinfo telemetry data receive pin
   GPIO_TELEINFO_ENABLE,                // Teleinfo Enable Receive Pin
   GPIO_LMT01,                          // LMT01 input counting pin
+  GPIO_IEM3000_TX, GPIO_IEM3000_RX,    // IEM3000 Serial interface
   GPIO_SENSOR_END };
 
 enum ProgramSelectablePins {
@@ -227,7 +228,8 @@ const char kSensorNames[] PROGMEM =
   D_SENSOR_TCP_TXD "|" D_SENSOR_TCP_RXD "|"
   D_SENSOR_ETH_PHY_POWER "|" D_SENSOR_ETH_PHY_MDC "|" D_SENSOR_ETH_PHY_MDIO "|"
   D_SENSOR_TELEINFO_RX "|" D_SENSOR_TELEINFO_ENABLE "|"
-  D_SENSOR_LMT01_PULSE
+  D_SENSOR_LMT01_PULSE "|"
+  D_SENSOR_IEM3000_TX "|" D_SENSOR_IEM3000_RX
   ;
 
 const char kSensorNamesFixed[] PROGMEM =
@@ -421,6 +423,10 @@ const uint16_t kGpioNiceList[] PROGMEM = {
 #ifdef USE_BL0940
   AGPIO(GPIO_BL0940_RX),     // BL0940 Serial interface
 #endif
+#ifdef USE_IEM3000
+  AGPIO(GPIO_IEM3000_TX),    // IEM3000 Serial interface
+  AGPIO(GPIO_IEM3000_RX),    // IEM3000 Serial interface
+#endif
 #endif  // USE_ENERGY_SENSOR
 
 // Serial
diff --git a/tasmota/xnrg_17_iem3000.ino b/tasmota/xnrg_17_iem3000.ino
new file mode 100644
index 000000000..040938dbc
--- /dev/null
+++ b/tasmota/xnrg_17_iem3000.ino
@@ -0,0 +1,208 @@
+/*
+  xnrg_17_iem3000.ino - Schneider Electric iEM3000 series Modbus energy meter support for Tasmota
+
+  Copyright (C) 2020  Marius Bezuidenhout
+
+  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_IEM3000
+/*********************************************************************************************\
+ * Schneider Electric iEM3000 series Modbus energy meter
+ * iEM3150 / iEM3155 / iEM3250 / iEM3255 / iEM3350 / iEM3355 / iEM3455 / iEM3555
+ * Important! Set meter Commnication -> Parity to None
+\*********************************************************************************************/
+
+#define XNRG_17             17
+
+// can be user defined in my_user_config.h
+#ifndef IEM3000_SPEED
+  #define IEM3000_SPEED      19200   // default IEM3000 Modbus address
+#endif
+// can be user defined in my_user_config.h
+#ifndef IEM3000_ADDR
+  #define IEM3000_ADDR       1       // default IEM3000 Modbus address
+#endif
+
+#include <TasmotaModbus.h>
+TasmotaModbus *Iem3000Modbus;
+
+const uint16_t Iem3000_start_addresses[] {
+            // ID                         (reg count/datatype)    [unit] Description
+  0x0bb7,   //  0 . IEM3000_I1_CURRENT    (2/Float32)             [A]    I1: phase 1 current
+  0x0bb9,   //  1 . IEM3000_I2_CURRENT    (2/Float32)             [A]    I2: phase 2 current
+  0x0bbb,   //  2 . IEM3000_I3_CURRENT    (2/Float32)             [A]    I3: phase 3 current
+  0x0bd3,   //  3 . IEM3000_L1_VOLTAGE    (2/Float32)             [V]    Voltage L1–N
+  0x0bd5,   //  4 . IEM3000_L2_VOLTAGE    (2/Float32)             [V]    Voltage L2–N
+  0x0bd7,   //  5 . IEM3000_L3_VOLTAGE    (2/Float32)             [V]    Voltage L3–N
+  0x0bed,   //  6 . IEM3000_P1_POWER      (2/Float32)             [KW]   Active Power Phase 1
+  0x0bef,   //  7 . IEM3000_P2_POWER      (2/Float32)             [KW]   Active Power Phase 2
+  0x0bf1,   //  8 . IEM3000_P3_POWER      (2/Float32)             [KW]   Active Power Phase 3
+  0x0c25,   //  9 . IEM3000_FREQUENCY     (2/Float32)             [Hz]   Frequency
+  0xb02b,   // 10 . IEM3000_TOTAL_ACTIVE  (4/Int64)               [Wh]   Total Active Energy Import
+};
+
+struct IEM3000 {
+  uint8_t read_state = 0;
+  uint8_t send_retry = 0;
+} Iem3000;
+
+/*********************************************************************************************/
+
+void IEM3000Every250ms(void)
+{
+  bool data_ready = Iem3000Modbus->ReceiveReady();
+  uint8_t reg_count = 4;
+  if (Iem3000.read_state < 10) {
+    reg_count = 2;
+  }
+
+  if (data_ready) {
+    uint8_t buffer[14];  // At least 5 + sizeof(int64_t) = 13
+
+    uint32_t error = Iem3000Modbus->ReceiveBuffer(buffer, reg_count);
+    AddLogBuffer(LOG_LEVEL_DEBUG_MORE, buffer, Iem3000Modbus->ReceiveCount());
+
+    if (error) {
+      AddLog_P2(LOG_LEVEL_DEBUG, PSTR("SDM: Iem3000 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;
+      int64_t value64;
+      if(Iem3000.read_state >= 0 && Iem3000.read_state < 10) {
+        ((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];
+      } else {
+        ((uint8_t*)&value64)[7] = buffer[3];   // Get int values
+        ((uint8_t*)&value64)[6] = buffer[4];
+        ((uint8_t*)&value64)[5] = buffer[5];
+        ((uint8_t*)&value64)[4] = buffer[6];
+        ((uint8_t*)&value64)[3] = buffer[7];
+        ((uint8_t*)&value64)[2] = buffer[8];
+        ((uint8_t*)&value64)[1] = buffer[9];
+        ((uint8_t*)&value64)[0] = buffer[10];
+      }
+
+      switch(Iem3000.read_state) {
+        case 0:
+          Energy.current[0] = value;
+          break;
+        
+        case 1:
+          Energy.current[1] = value;
+          break;
+        
+        case 2:
+          Energy.current[2] = value;
+          break;
+
+        case 3:
+          Energy.voltage[0]  = value;
+          break;
+
+        case 4:
+          Energy.voltage[1]  = value;
+          break;
+
+        case 5:
+          Energy.voltage[2]  = value;
+          break;
+
+        case 6:
+          Energy.active_power[0] = value;
+          break;
+
+        case 7:
+          Energy.active_power[1] = value;
+          break;
+
+        case 8:
+          Energy.active_power[2] = value;
+          break;
+
+        case 9:
+          Energy.frequency[0] = value;
+          break;
+
+        case 10:
+          EnergyUpdateTotal(value64  * 0.001f, true); // 1125 => 1.125
+          break;
+      }
+
+      Iem3000.read_state++;
+      if (sizeof(Iem3000_start_addresses)/2 == Iem3000.read_state) {
+        Iem3000.read_state = 0;
+      }
+    }
+  } // end data ready
+
+  if (0 == Iem3000.send_retry || data_ready) {
+    Iem3000.send_retry = 5;
+    Iem3000Modbus->Send(IEM3000_ADDR, 0x03, Iem3000_start_addresses[Iem3000.read_state], reg_count);
+  } else {
+    Iem3000.send_retry--;
+  }
+}
+
+void Iem3000SnsInit(void)
+{
+  Iem3000Modbus = new TasmotaModbus(Pin(GPIO_IEM3000_RX), Pin(GPIO_IEM3000_TX));
+  uint8_t result = Iem3000Modbus->Begin(IEM3000_SPEED);
+  if (result) {
+    if (2 == result) { ClaimSerial(); }
+    Energy.phase_count = 3;
+    Energy.frequency_common = true;             // Use common frequency
+  } else {
+    energy_flg = ENERGY_NONE;
+  }
+}
+
+void Iem3000DrvInit(void)
+{
+  if (PinUsed(GPIO_IEM3000_RX) && PinUsed(GPIO_IEM3000_TX)) {
+    energy_flg = XNRG_17;
+  }
+}
+
+/*********************************************************************************************\
+ * Interface
+\*********************************************************************************************/
+
+bool Xnrg17(uint8_t function)
+{
+  bool result = false;
+
+  switch (function) {
+    case FUNC_EVERY_250_MSECOND:
+      if (uptime > 4) { IEM3000Every250ms(); }
+      break;
+    case FUNC_INIT:
+      Iem3000SnsInit();
+      break;
+    case FUNC_PRE_INIT:
+      Iem3000DrvInit();
+      break;
+  }
+  return result;
+}
+
+#endif  // USE_IEM3000
+#endif  // USE_ENERGY_SENSOR
diff --git a/tasmota/xnrg_interface.ino b/tasmota/xnrg_interface.ino
index b0a4784f5..8e5bbf836 100644
--- a/tasmota/xnrg_interface.ino
+++ b/tasmota/xnrg_interface.ino
@@ -86,7 +86,11 @@ bool (* const xnrg_func_ptr[])(uint8_t) = {   // Energy driver Function Pointers
 #endif
 
 #ifdef XNRG_16
-  &Xnrg16
+  &Xnrg16,
+#endif
+
+#ifdef XNRG_17
+  &Xnrg17
 #endif
 };