diff --git a/openTEPES/openTEPES.py b/openTEPES/openTEPES.py
index 306ed00a..8c92cddc 100644
--- a/openTEPES/openTEPES.py
+++ b/openTEPES/openTEPES.py
@@ -1,5 +1,5 @@
 """
-Open Generation, Storage, and Transmission Operation and Expansion Planning Model with RES and ESS (openTEPES) - January 15, 2024
+Open Generation, Storage, and Transmission Operation and Expansion Planning Model with RES and ESS (openTEPES) - January 15, 2025
 """
 
 # import dill as pickle
@@ -39,8 +39,8 @@ def openTEPES_run(DirName, CaseName, SolverName, pIndOutputResults, pIndLogConso
     idxDict['y'  ] = 1
 
     #%% model declaration
-    mTEPES = ConcreteModel('Open Generation, Storage, and Transmission Operation and Expansion Planning Model with RES and ESS (openTEPES) - Version 4.18.2 - January 15, 2024')
-    print(                 'Open Generation, Storage, and Transmission Operation and Expansion Planning Model with RES and ESS (openTEPES) - Version 4.18.2 - January 15, 2024', file=open(f'{_path}/openTEPES_version_{CaseName}.log','w'))
+    mTEPES = ConcreteModel('Open Generation, Storage, and Transmission Operation and Expansion Planning Model with RES and ESS (openTEPES) - Version 4.18.2 - January 15, 2025')
+    print(                 'Open Generation, Storage, and Transmission Operation and Expansion Planning Model with RES and ESS (openTEPES) - Version 4.18.2 - January 15, 2025', file=open(f'{_path}/openTEPES_version_{CaseName}.log','w'))
 
     pIndOutputResults = [j for i,j in idxDict.items() if i == pIndOutputResults][0]
     pIndLogConsole    = [j for i,j in idxDict.items() if i == pIndLogConsole   ][0]
diff --git a/openTEPES/openTEPES_Main.py b/openTEPES/openTEPES_Main.py
index 3b27c965..a36e37b9 100644
--- a/openTEPES/openTEPES_Main.py
+++ b/openTEPES/openTEPES_Main.py
@@ -660,7 +660,7 @@
 # For more information on this, and how to apply and follow the GNU AGPL, see
 # <https://www.gnu.org/licenses/>.
 
-# Open Generation, Storage, and Transmission Operation and Expansion Planning Model with RES and ESS (openTEPES) - December 23, 2024
+# Open Generation, Storage, and Transmission Operation and Expansion Planning Model with RES and ESS (openTEPES) - January 15, 2025
 # simplicity and transparency in power systems planning
 
 # Developed by
@@ -685,7 +685,7 @@
 # import pkg_resources
 from .openTEPES import openTEPES_run
 
-print('\033[1;32mOpen Generation, Storage, and Transmission Operation and Expansion Planning Model with RES and ESS (openTEPES) - Version 4.18.2 - January 15, 2024\033[0m')
+print('\033[1;32mOpen Generation, Storage, and Transmission Operation and Expansion Planning Model with RES and ESS (openTEPES) - Version 4.18.2 - January 15, 2025\033[0m')
 print('\033[34m#### Academic research license - for non-commercial use only ####\033[0m \n')
 
 parser = argparse.ArgumentParser(description='Introducing main parameters...')