diff --git a/simulations/simulation_c1.txt b/simulations/simulation_c1.txt
index 0ca682f..d425e42 100644
--- a/simulations/simulation_c1.txt
+++ b/simulations/simulation_c1.txt
@@ -29,6 +29,14 @@ telegram=|2E442D2C6767676730048D2039D1684020|BCDB7803062C00004306000000031463000
 telegram=|25442D2C6767676730048D203AD2684020|D81579E7F1D5902C00000000006300007F2A130000|
 {"media":"heat","meter":"multical302","name":"MyHeater","id":"67676767","total_energy_consumption_kwh":44,"current_power_consumption_kw":1.9,"total_volume_m3":0.99,"at_date":"2019-10-31 00:00","total_energy_consumption_at_date_kwh":0,"current_status":"","timestamp":"1111-11-11T11:11:11Z"}
 
+# Mj full telegram
+telegram=|2E442D2C46464646300C8D207A70EA6021B1C178|030FC51000430F9210000314072B05426CBE2B022D0C0001FF2100|
+{"media":"heat volume at inlet","meter":"multical302","name":"MyHeaterMj","id":"46464646","total_energy_consumption_kwh":11925,"current_power_consumption_kw":1.2,"total_volume_m3":3386.95,"at_date":"2021-11-30 00:00","total_energy_consumption_at_date_kwh":11783.333333,"current_status":"","timestamp":"1111-11-11T11:11:11Z"}
+
+# Mj compressed telegram
+telegram=|25442D2C46464646300C8D20D3E2EB60212B6D79E26DCD65|C51000921000152B05BE2B0C0000|
+{"media":"heat volume at inlet","meter":"multical302","name":"MyHeaterMj","id":"46464646","total_energy_consumption_kwh":11925,"current_power_consumption_kw":1.2,"total_volume_m3":3387.09,"at_date":"2021-11-30 00:00","total_energy_consumption_at_date_kwh":11783.333333,"current_status":"","timestamp":"1111-11-11T11:11:11Z"}
+
 # Test QCaloric C1 telegrams
 
 telegram=|314493441234567835087a740000200b6e2701004b6e450100426c5f2ccb086e790000c2086c7f21326cffff046d200b7422|
diff --git a/src/meter_multical302.cc b/src/meter_multical302.cc
index 1390d2e..78e87b4 100644
--- a/src/meter_multical302.cc
+++ b/src/meter_multical302.cc
@@ -152,6 +152,11 @@ void MeterMultical302::processContent(Telegram *t)
     if(findKey(MeasurementType::Instantaneous, ValueInformation::EnergyWh, 0, 0, &key, &t->values)) {
         extractDVdouble(&t->values, key, &offset, &total_energy_kwh_);
         t->addMoreExplanation(offset, " total energy consumption (%f kWh)", total_energy_kwh_);
+    } else if (findKey(MeasurementType::Instantaneous, ValueInformation::EnergyMJ, 0, 0, &key, &t->values)) {
+        double mj;
+        extractDVdouble(&t->values, key, &offset, &mj);
+        total_energy_kwh_ = convert(mj, Unit::MJ, Unit::KWH);
+        t->addMoreExplanation(offset, " total energy consumption (%f kWh)", total_energy_kwh_);
     }
 
     if(findKey(MeasurementType::Instantaneous, ValueInformation::Volume, 0, 0, &key, &t->values)) {
@@ -162,6 +167,11 @@ void MeterMultical302::processContent(Telegram *t)
     if(findKey(MeasurementType::Instantaneous, ValueInformation::EnergyWh, 1, 0, &key, &t->values)) {
         extractDVdouble(&t->values, key, &offset, &target_energy_kwh_);
         t->addMoreExplanation(offset, " target energy consumption (%f kWh)", target_energy_kwh_);
+    } else if(findKey(MeasurementType::Instantaneous, ValueInformation::EnergyMJ, 1, 0, &key, &t->values)){
+        double mj;
+        extractDVdouble(&t->values, key, &offset, &mj);
+        target_energy_kwh_ = convert(mj, Unit::MJ, Unit::KWH);
+        t->addMoreExplanation(offset, " target energy consumption (%f kWh)", target_energy_kwh_);
     }
 
     if(findKey(MeasurementType::Instantaneous, ValueInformation::PowerW, 0, 0, &key, &t->values)) {
diff --git a/tests/config1/etc/wmbusmeters.d/MyHeaterMj b/tests/config1/etc/wmbusmeters.d/MyHeaterMj
new file mode 100644
index 0000000..96b55e0
--- /dev/null
+++ b/tests/config1/etc/wmbusmeters.d/MyHeaterMj
@@ -0,0 +1,5 @@
+name=MyHeaterMj
+type=multical302
+id=46464646
+#key=testing comment
+key=
\ No newline at end of file
diff --git a/tests/config4/etc/wmbusmeters.d/MyHeaterMj b/tests/config4/etc/wmbusmeters.d/MyHeaterMj
new file mode 100644
index 0000000..bba80cf
--- /dev/null
+++ b/tests/config4/etc/wmbusmeters.d/MyHeaterMj
@@ -0,0 +1,4 @@
+name=MyHeaterMj
+type=multical302
+id=46464646
+key=
\ No newline at end of file
diff --git a/tests/test_c1_meters.sh b/tests/test_c1_meters.sh
index 5df91fc..ace6536 100755
--- a/tests/test_c1_meters.sh
+++ b/tests/test_c1_meters.sh
@@ -12,6 +12,7 @@ TESTRESULT="ERROR"
 cat simulations/simulation_c1.txt | grep '^{' > $TEST/test_expected.txt
 $PROG --format=json simulations/simulation_c1.txt \
       MyHeater multical302 67676767 NOKEY \
+      MyHeaterMj multical302 46464646 NOKEY \
       MyTapWater multical21 76348799 NOKEY \
       MyWater flowiq2200 52525252 NOKEY \
       Vadden multical21 44556677 NOKEY \