diff --git a/energy_models/models/clean_energy/clean_energy_simple_techno/clean_energy_simple_techno.py b/energy_models/models/clean_energy/clean_energy_simple_techno/clean_energy_simple_techno.py
index cab4cefc..e520aba2 100644
--- a/energy_models/models/clean_energy/clean_energy_simple_techno/clean_energy_simple_techno.py
+++ b/energy_models/models/clean_energy/clean_energy_simple_techno/clean_energy_simple_techno.py
@@ -14,10 +14,11 @@
 See the License for the specific language governing permissions and
 limitations under the License.
 '''
-
+import pandas as pd
 from energy_models.core.techno_type.base_techno_models.renewable_techno import (
     RenewableTechno,
 )
+from energy_models.glossaryenergy import GlossaryEnergy
 
 
 class CleanEnergySimpleTechno(RenewableTechno):