From 7e870444249bebbe2d8d527337b8007a84f01739 Mon Sep 17 00:00:00 2001
From: Fabian <fab.hof@gmx.de>
Date: Tue, 21 Feb 2023 21:58:42 +0100
Subject: [PATCH] solve_network: warn if network is not optimal

---
 scripts/solve_network.py | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/scripts/solve_network.py b/scripts/solve_network.py
index 5ee5d6da..7e42838e 100644
--- a/scripts/solve_network.py
+++ b/scripts/solve_network.py
@@ -218,14 +218,14 @@ def solve_network(n, config, opts="", **kwargs):
         logger.info("No expandable lines found. Skipping iterative solving.")
 
     if skip_iterations:
-        n.optimize(
+        status, condition = n.optimize(
             solver_name=solver_name,
             extra_functionality=extra_functionality,
             **solver_options,
             **kwargs,
         )
     else:
-        n.optimize.optimize_transmission_expansion_iteratively(
+        status, condition = n.optimize.optimize_transmission_expansion_iteratively(
             solver_name=solver_name,
             track_iterations=track_iterations,
             min_iterations=min_iterations,
@@ -235,6 +235,9 @@ def solve_network(n, config, opts="", **kwargs):
             **kwargs,
         )
 
+    if status != "ok":
+        logger.warning(f"Solving status '{status}' with termination condition '{condition}'")
+
     return n
 
 
@@ -246,7 +249,7 @@ if __name__ == "__main__":
             'solve_network',
             simpl='',
             opts="",
-            clusters="45",
+            clusters="5",
             lv=1.0,
             sector_opts='Co2L0-3H-T-H-B-I-A-solar+p3-dist1',
             planning_horizons="2050",