diff --git a/etl/bill_savings/KwhData.py b/etl/bill_savings/KwhData.py
index 30e11698..e815a12b 100644
--- a/etl/bill_savings/KwhData.py
+++ b/etl/bill_savings/KwhData.py
@@ -77,14 +77,8 @@ class KwhData:
                   'Cheapest tariff (Large legacy suppliers)', 'Cheapest tariff (All suppliers)',
                   'Cheapest tariff (Basket)', 'Default tariff cap level']
 
-        # Extract data rows
-        data_rows = []
-        for row in data[1:]:
-            date = row['\ufeff"']
-            values = row[None]
-            data_rows.append([date] + values)
-
-        self.retail_price_comparison = pd.DataFrame(data_rows, columns=header)
+        self.retail_price_comparison = pd.DataFrame(data)
+        self.retail_price_comparison.columns = header
         self.retail_price_comparison['Date'] = pd.to_datetime(self.retail_price_comparison['Date'], errors='coerce')
 
     @staticmethod