diff --git a/src/antares/model/solar.py b/src/antares/model/solar.py
index dd13c41c..de5e30b3 100644
--- a/src/antares/model/solar.py
+++ b/src/antares/model/solar.py
@@ -12,10 +12,8 @@
 from pathlib import Path
 from typing import Optional, Any
 
-import pandas as pd
-
 from antares.tools.ini_tool import IniFile, IniFileTypes
-from antares.tools.time_series_tool import TimeSeries, ConversionFile, TimeSeriesFileType, TimeSeriesFile
+from antares.tools.time_series_tool import TimeSeries, ConversionFile, TimeSeriesFileType, TimeSeriesFile, DataFile
 
 
 class Solar(TimeSeries):
@@ -38,14 +36,16 @@ def __init__(
                 conversion
                 if conversion is not None
                 else TimeSeries(
-                    ConversionFile.data,
-                    TimeSeriesFile(TimeSeriesFileType.SOLAR_CONVERSION, study_path, area_id, ConversionFile.data),
+                    ConversionFile().data,
+                    TimeSeriesFile(TimeSeriesFileType.SOLAR_CONVERSION, study_path, area_id, ConversionFile().data),
                 )
             )
             self._data = (
                 data
                 if data is not None
-                else TimeSeries(pd.DataFrame([]), TimeSeriesFile(TimeSeriesFileType.SOLAR_DATA, study_path, area_id))
+                else TimeSeries(
+                    DataFile().data, TimeSeriesFile(TimeSeriesFileType.SOLAR_DATA, study_path, area_id, DataFile().data)
+                )
             )
 
     @property
diff --git a/src/antares/tools/time_series_tool.py b/src/antares/tools/time_series_tool.py
index e248d74f..d70e5bc1 100644
--- a/src/antares/tools/time_series_tool.py
+++ b/src/antares/tools/time_series_tool.py
@@ -14,6 +14,7 @@
 from pathlib import Path
 from typing import Optional
 
+import numpy as np
 import pandas as pd
 
 
@@ -127,4 +128,16 @@ def local_file(self, local_file: TimeSeriesFile) -> None:
 
 
 class ConversionFile:
-    data = pd.DataFrame([[-9999999980506447872, 0, 9999999980506447872], [0, 0, 0]])
+    def __init__(self) -> None:
+        self.data = pd.DataFrame([[-9999999980506447872, 0, 9999999980506447872], [0, 0, 0]])
+
+
+class DataFile:
+    def __init__(self) -> None:
+        default_data = pd.DataFrame(np.ones([12, 6]))
+        default_data[2] = 0
+        self._data = default_data.astype(int)
+
+    @property
+    def data(self) -> pd.DataFrame:
+        return self._data
diff --git a/tests/antares/services/local_services/test_area.py b/tests/antares/services/local_services/test_area.py
index 54f863cb..3efe74ba 100644
--- a/tests/antares/services/local_services/test_area.py
+++ b/tests/antares/services/local_services/test_area.py
@@ -842,3 +842,29 @@ def test_data_txt_exists(self, area_fr, fr_solar):
         assert expected_file_path.exists()
         assert expected_file_path.is_file()
         assert fr_solar.data.local_file.file_path == expected_file_path
+
+    def test_data_txt_has_correct_default_values(self, area_fr, fr_solar):
+        # Given
+        expected_file_contents = """1\t1\t0\t1\t1\t1
+1\t1\t0\t1\t1\t1
+1\t1\t0\t1\t1\t1
+1\t1\t0\t1\t1\t1
+1\t1\t0\t1\t1\t1
+1\t1\t0\t1\t1\t1
+1\t1\t0\t1\t1\t1
+1\t1\t0\t1\t1\t1
+1\t1\t0\t1\t1\t1
+1\t1\t0\t1\t1\t1
+1\t1\t0\t1\t1\t1
+1\t1\t0\t1\t1\t1
+"""
+        expected_file_data = pd.read_csv(StringIO(expected_file_contents), sep="\t", header=None)
+
+        # When
+        with fr_solar.data.local_file.file_path.open("r") as fr_solar_file:
+            actual_file_contents = fr_solar_file.read()
+        actual_file_data = fr_solar.data.time_series
+
+        # Then
+        assert actual_file_data.equals(expected_file_data)
+        assert actual_file_contents == expected_file_contents