diff --git a/src/meter_whe5x.cc b/src/meter_whe5x.cc
new file mode 100644
index 0000000..d930d2e
--- /dev/null
+++ b/src/meter_whe5x.cc
@@ -0,0 +1,152 @@
+/*
+ Copyright (C) 2019-2020 Fredrik Öhrström
+
+ 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/>.
+*/
+
+#include"dvparser.h"
+#include"meters.h"
+#include"meters_common_implementation.h"
+#include"wmbus.h"
+#include"wmbus_utils.h"
+
+struct MeterWhe5x : public virtual HeatCostAllocationMeter, public virtual MeterCommonImplementation {
+    MeterWhe5x(MeterInfo &mi);
+
+    double currentConsumption(Unit u);
+    string setDate();
+    double consumptionAtSetDate(Unit u);
+
+private:
+
+    void processContent(Telegram *t);
+
+    // Telegram type 1
+    double current_consumption_hca_ {};
+    string set_date_;
+    double consumption_at_set_date_hca_ {};
+    string error_date_;
+    string vendor_proprietary_data_;
+    string device_date_time_;
+};
+
+MeterWhe5x::MeterWhe5x(MeterInfo &mi) :
+    MeterCommonImplementation(mi, MeterType::WHE5X)
+{
+    setExpectedTPLSecurityMode(TPLSecurityMode::AES_CBC_IV);
+
+    addLinkMode(LinkMode::C1);
+
+    addPrint("current_consumption", Quantity::HCA,
+             [&](Unit u){ return currentConsumption(u); },
+             "The current heat cost allocation.",
+             true, true);
+
+    addPrint("set_date", Quantity::Text,
+             [&](){ return setDate(); },
+             "The most recent billing period date.",
+             true, true);
+
+    addPrint("consumption_at_set_date", Quantity::HCA,
+             [&](Unit u){ return consumptionAtSetDate(u); },
+             "Heat cost allocation at the most recent billing period date.",
+             true, true);
+
+    addPrint("set_date_1", Quantity::Text,
+             [&](){ return setDate(); },
+             "The 1 billing period date.",
+             false, true);
+
+    addPrint("consumption_at_set_date_1", Quantity::HCA,
+             [&](Unit u){ return consumptionAtSetDate(u); },
+             "Heat cost allocation at the 1 billing period date.",
+             false, true);
+
+    addPrint("error_date", Quantity::Text,
+             [&](){ return error_date_; },
+             "Error date.",
+             false, true);
+
+    addPrint("device_date_time", Quantity::Text,
+             [&](){ return device_date_time_; },
+             "Device date time.",
+             false, true);
+}
+
+shared_ptr<HeatCostAllocationMeter> createWhe5x(MeterInfo &mi)
+{
+    return shared_ptr<HeatCostAllocationMeter>(new MeterWhe5x(mi));
+}
+
+double MeterWhe5x::currentConsumption(Unit u)
+{
+    return current_consumption_hca_;
+}
+
+string MeterWhe5x::setDate()
+{
+    return set_date_;
+}
+
+double MeterWhe5x::consumptionAtSetDate(Unit u)
+{
+    return consumption_at_set_date_hca_;
+}
+
+void MeterWhe5x::processContent(Telegram *t)
+{
+
+    int offset;
+    string key;
+
+    if (findKey(MeasurementType::Unknown, ValueInformation::HeatCostAllocation, 0, 0, &key, &t->values)) {
+        extractDVdouble(&t->values, key, &offset, &current_consumption_hca_);
+        t->addMoreExplanation(offset, " current consumption (%f hca)", current_consumption_hca_);
+    }
+
+    if (findKey(MeasurementType::Unknown, ValueInformation::Date, 1, 0, &key, &t->values)) {
+        struct tm date;
+        extractDVdate(&t->values, key, &offset, &date);
+        set_date_ = strdate(&date);
+        t->addMoreExplanation(offset, " set date (%s)", set_date_.c_str());
+    }
+
+    if (findKey(MeasurementType::Unknown, ValueInformation::HeatCostAllocation, 1, 0, &key, &t->values)) {
+        extractDVdouble(&t->values, key, &offset, &consumption_at_set_date_hca_);
+        t->addMoreExplanation(offset, " consumption at set date (%f hca)", consumption_at_set_date_hca_);
+    }
+
+    if (findKey(MeasurementType::Unknown, ValueInformation::DateTime, 0, 0, &key, &t->values)) {
+        struct tm datetime;
+        extractDVdate(&t->values, key, &offset, &datetime);
+        device_date_time_ = strdatetime(&datetime);
+        t->addMoreExplanation(offset, " device datetime (%s)", device_date_time_.c_str());
+    }
+
+    key = "326C";
+    if (hasKey(&t->values, key)) {
+        struct tm date;
+        extractDVdate(&t->values, key, &offset, &date);
+        error_date_ = strdate(&date);
+        t->addMoreExplanation(offset, " error date (%s)", error_date_.c_str());
+    }
+
+    key = "0DFF5F";
+    if (hasKey(&t->values, key)) {
+        string hex;
+        extractDVstring(&t->values, key, &offset, &hex);
+        t->addMoreExplanation(offset, " vendor extension data");
+        // This is not stored anywhere yet, we need to understand it, if necessary.
+    }
+}