diff --git a/custom_components/barry/pybarry.py b/custom_components/barry/pybarry.py
index 24dd2f3..d4b330f 100644
--- a/custom_components/barry/pybarry.py
+++ b/custom_components/barry/pybarry.py
@@ -31,8 +31,7 @@ def __init__(
     @staticmethod
     def hour_rounder(t):
         # Rounds to nearest hour by adding a timedelta hour if minute >= 30
-        return (t.replace(second=0, microsecond=0, minute=0, hour=t.hour)
-                + timedelta(hours=t.minute // 30))
+        return (t.replace(second=0, microsecond=0, minute=0, hour=t.hour))
 
     @staticmethod
     def get_currency(data):
@@ -65,11 +64,11 @@ def get_current_co2_emission(self, price_code):
     def get_current_spot_price(self, price_code):
         current_time = self.hour_rounder(
             datetime.utcnow().replace(microsecond=0)).isoformat() + 'Z'
-        last_hour_date_time = self.hour_rounder(
-            (datetime.utcnow() - timedelta(hours=1)).replace(microsecond=0)).isoformat() + 'Z'
+        next_hour_date_time = self.hour_rounder(
+            (datetime.utcnow() + timedelta(hours=1)).replace(microsecond=0)).isoformat() + 'Z'
 
         data = '{ "jsonrpc": "2.0", "id": 0, "method": "co.getbarry.api.v1.OpenApiController.getPrice", "params": [ "%s", "%s", "%s" ] }' % (
-            price_code, last_hour_date_time, current_time)
+            price_code, current_time, next_hour_date_time)
         response = requests.post(
             self.endpoint, headers=self.headers, data=data)
         json_res = response.json()
@@ -85,11 +84,11 @@ def get_current_spot_price(self, price_code):
     def get_current_total_price(self, mpid):
         current_time = self.hour_rounder(
             datetime.utcnow().replace(microsecond=0)).isoformat() + 'Z'
-        last_hour_date_time = self.hour_rounder(
-            (datetime.utcnow() - timedelta(hours=1)).replace(microsecond=0)).isoformat() + 'Z'
+        next_hour_date_time = self.hour_rounder(
+            (datetime.utcnow() + timedelta(hours=1)).replace(microsecond=0)).isoformat() + 'Z'
 
         data = '{ "jsonrpc": "2.0", "id": 0, "method": "co.getbarry.api.v1.OpenApiController.getTotalKwHPrice", "params": [ "%s", "%s", "%s" ] }' % (
-            mpid, last_hour_date_time, current_time)
+            mpid, current_time, next_hour_date_time)
         response = requests.post(
             self.endpoint, headers=self.headers, data=data)
         json_res = response.json()
diff --git a/custom_components/barry/sensor.py b/custom_components/barry/sensor.py
index b989336..62d239d 100644
--- a/custom_components/barry/sensor.py
+++ b/custom_components/barry/sensor.py
@@ -104,10 +104,6 @@ def unique_id(self):
     def state(self) -> float:
         return self.current_total_price
 
-    @property
-    def icon(self) -> str:
-        return "mdi:flash"
-
     @property
     def unit(self) -> str:
         return self._price_type
@@ -159,6 +155,10 @@ def today(self) -> list:
     def today(self) -> list:
         return self._tomorrow
 
+    @property
+    def device_class(self) -> str:
+        return "monetary"
+
     def _update_current_price(self) -> None:
         _LOGGER.debug("Updating current price")
         _LOGGER.debug("barry_home: %s", self._barry_home)