diff --git a/etl/epc/Pipeline.py b/etl/epc/Pipeline.py
index c678c830..6abf05bd 100644
--- a/etl/epc/Pipeline.py
+++ b/etl/epc/Pipeline.py
@@ -1,5 +1,6 @@
 import msgpack
 import pandas as pd
+from datetime import datetime
 
 from typing import List
 from pathlib import Path
@@ -82,9 +83,9 @@ class EPCPipeline:
         run_mode="training",
         epc_local_file="certificates.csv",
         epc_bucket_name="retrofit-data-dev",
-        epc_cleaning_dataset_key="sap_change_model/cleaning_dataset_rooms.parquet",
-        epc_all_equal_rows_key="sap_change_model/all_equal_rows_rooms.parquet",
-        epc_compiled_dataset_key="sap_change_model/dataset_rooms.parquet",
+        epc_cleaning_dataset_key="sap_change_model/{}/cleaning_dataset_rooms.parquet",
+        epc_all_equal_rows_key="sap_change_model/{}/all_equal_rows_rooms.parquet",
+        epc_compiled_dataset_key="sap_change_model/{}/dataset_rooms.parquet",
         use_parallel=False,
     ):
         """
@@ -107,10 +108,13 @@ class EPCPipeline:
         self.run_mode = run_mode
         self.epc_local_file = epc_local_file
         self.epc_bucket_name = epc_bucket_name
-        self.epc_cleaning_dataset_key = epc_cleaning_dataset_key
-        self.epc_all_equal_rows_key = epc_all_equal_rows_key
-        self.epc_compiled_dataset_key = epc_compiled_dataset_key
+
         self.use_parallel = use_parallel
+        self.timeprefix = datetime.now().strftime("%Y-%m-%d-%H-%M-%S")
+
+        self.epc_cleaning_dataset_key = epc_cleaning_dataset_key.format(self.timeprefix)
+        self.epc_all_equal_rows_key = epc_all_equal_rows_key.format(self.timeprefix)
+        self.epc_compiled_dataset_key = epc_compiled_dataset_key.format(self.timeprefix)
 
     def run(self):
         """
diff --git a/etl/epc/generate_scenarios_data.py b/etl/epc/generate_scenarios_data.py
index 172e8a27..d5bece8b 100644
--- a/etl/epc/generate_scenarios_data.py
+++ b/etl/epc/generate_scenarios_data.py
@@ -20,6 +20,10 @@ from recommendations.Recommendations import Recommendations
 from utils.logger import setup_logger
 from utils.s3 import read_dataframe_from_s3_parquet, save_dataframe_to_s3_parquet
 
+from datetime import datetime
+
+now = datetime.now().strftime("%d-%m-%Y-%H-%M-%S")
+
 logger = setup_logger()
 
 logger.info("Connecting to db")
@@ -132,7 +136,7 @@ for scenario_property in scenario_properties:
     p.get_components(cleaned, photo_supply_lookup, floor_area_decile_thresholds)
 
     recommender = Recommendations(property_instance=p, materials=materials)
-    property_recommendations = recommender.recommend()
+    property_recommendations = recommender.recommend("0")
 
     wall_recommendations = recommender.wall_recomender.recommendations
     loft_recommendations = recommender.roof_recommender.recommendations
@@ -247,5 +251,5 @@ all_predictions = model_api.predict_all(
 save_dataframe_to_s3_parquet(
     recommendations_scoring_data,
     "retrofit-data-dev",
-    "scenario_data/recommendations_scoring_data.parquet",
+    f"scenario_data/{now}/recommendations_scoring_data.parquet",
 )
diff --git a/etl/epc/requirements.txt b/etl/epc/requirements.txt
index 9f972bde..87148180 100644
--- a/etl/epc/requirements.txt
+++ b/etl/epc/requirements.txt
@@ -1,4 +1,5 @@
 pandas==2.1.3
 tqdm==4.66.1
 msgpack==1.0.7
-boto3==1.29.6
\ No newline at end of file
+boto3==1.29.6
+pyarrow==15.0.2
\ No newline at end of file