diff --git a/homeassistant/components/tplink/__init__.py b/homeassistant/components/tplink/__init__.py
index 552e5666db8..5c69247eea8 100644
--- a/homeassistant/components/tplink/__init__.py
+++ b/homeassistant/components/tplink/__init__.py
@@ -1,7 +1,7 @@
 """Component to embed TP-Link smart home devices."""
 from __future__ import annotations
 
-from datetime import datetime, timedelta
+from datetime import timedelta
 import logging
 import time
 from typing import Any
@@ -11,7 +11,6 @@ from pyHS100.smartplug import SmartPlug
 import voluptuous as vol
 
 from homeassistant import config_entries
-from homeassistant.components.sensor import ATTR_LAST_RESET
 from homeassistant.components.switch import ATTR_CURRENT_POWER_W, ATTR_TODAY_ENERGY_KWH
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import (
@@ -28,7 +27,6 @@ import homeassistant.helpers.config_validation as cv
 from homeassistant.helpers.event import async_track_time_interval
 from homeassistant.helpers.typing import ConfigType
 from homeassistant.helpers.update_coordinator import DataUpdateCoordinator, UpdateFailed
-from homeassistant.util.dt import utc_from_timestamp
 
 from .common import SmartDevices, async_discover_devices, get_static_devices
 from .const import (
@@ -258,12 +256,8 @@ class SmartPlugDataUpdateCoordinator(DataUpdateCoordinator):
                     ATTR_TOTAL_ENERGY_KWH: round(float(emeter_readings["total"]), 3),
                     ATTR_VOLTAGE: round(float(emeter_readings["voltage"]), 1),
                     ATTR_CURRENT_A: round(float(emeter_readings["current"]), 2),
-                    ATTR_LAST_RESET: {ATTR_TOTAL_ENERGY_KWH: utc_from_timestamp(0)},
                 }
                 emeter_statics = self.smartplug.get_emeter_daily()
-                data[CONF_EMETER_PARAMS][ATTR_LAST_RESET][
-                    ATTR_TODAY_ENERGY_KWH
-                ] = datetime.utcnow().replace(hour=0, minute=0, second=0, microsecond=0)
                 if emeter_statics.get(int(time.strftime("%e"))):
                     data[CONF_EMETER_PARAMS][ATTR_TODAY_ENERGY_KWH] = round(
                         float(emeter_statics[int(time.strftime("%e"))]), 3
diff --git a/homeassistant/components/tplink/sensor.py b/homeassistant/components/tplink/sensor.py
index fae7939cd65..b38fa763ee9 100644
--- a/homeassistant/components/tplink/sensor.py
+++ b/homeassistant/components/tplink/sensor.py
@@ -6,8 +6,8 @@ from typing import Any, Final
 from pyHS100 import SmartPlug
 
 from homeassistant.components.sensor import (
-    ATTR_LAST_RESET,
     STATE_CLASS_MEASUREMENT,
+    STATE_CLASS_TOTAL_INCREASING,
     SensorEntity,
     SensorEntityDescription,
 )
@@ -62,14 +62,14 @@ ENERGY_SENSORS: Final[list[SensorEntityDescription]] = [
         key=ATTR_TOTAL_ENERGY_KWH,
         unit_of_measurement=ENERGY_KILO_WATT_HOUR,
         device_class=DEVICE_CLASS_ENERGY,
-        state_class=STATE_CLASS_MEASUREMENT,
+        state_class=STATE_CLASS_TOTAL_INCREASING,
         name="Total Consumption",
     ),
     SensorEntityDescription(
         key=ATTR_TODAY_ENERGY_KWH,
         unit_of_measurement=ENERGY_KILO_WATT_HOUR,
         device_class=DEVICE_CLASS_ENERGY,
-        state_class=STATE_CLASS_MEASUREMENT,
+        state_class=STATE_CLASS_TOTAL_INCREASING,
         name="Today's Consumption",
     ),
     SensorEntityDescription(
@@ -127,9 +127,6 @@ class SmartPlugSensor(CoordinatorEntity, SensorEntity):
         self.smartplug = smartplug
         self.entity_description = description
         self._attr_name = f"{coordinator.data[CONF_ALIAS]} {description.name}"
-        self._attr_last_reset = coordinator.data[CONF_EMETER_PARAMS][
-            ATTR_LAST_RESET
-        ].get(description.key)
 
     @property
     def data(self) -> dict[str, Any]: