diff --git a/src/cpp/benders/benders_by_batch/BendersByBatch.cpp b/src/cpp/benders/benders_by_batch/BendersByBatch.cpp
index 6189a2b85..5a7df49a0 100644
--- a/src/cpp/benders/benders_by_batch/BendersByBatch.cpp
+++ b/src/cpp/benders/benders_by_batch/BendersByBatch.cpp
@@ -287,6 +287,13 @@ void BendersByBatch::GetSubproblemCut(
       worker->solve(subproblem_data.lpstatus, Options().OUTPUTROOT,
                     Options().LAST_MASTER_MPS + MPS_SUFFIX, _writer);
       // worker->get_solution(subproblem_data.solution);
+      // TODO not supported yet
+      //      if (Options().EXTERNAL_LOOP_OPTIONS.DO_OUTER_LOOP) {
+      //        std::vector<double> solution;
+      //        worker->get_solution(solution);
+      //        subproblem_data.outer_loop_criterions =
+      //            ComputeOuterLoopCriterion(name, solution);
+      //      }
       worker->get_value(subproblem_data.subproblem_cost);  // solution phi(x,s)
       worker->get_subgradient(
           subproblem_data.var_name_and_subgradient);  // dual pi_s
diff --git a/src/cpp/benders/benders_core/BendersBase.cpp b/src/cpp/benders/benders_core/BendersBase.cpp
index cb8eeac71..266d32ce1 100644
--- a/src/cpp/benders/benders_core/BendersBase.cpp
+++ b/src/cpp/benders/benders_core/BendersBase.cpp
@@ -397,7 +397,12 @@ void BendersBase::GetSubproblemCut(SubProblemDataMap &subproblem_data_map) {
               worker->solve(subproblem_data.lpstatus, _options.OUTPUTROOT,
                             _options.LAST_MASTER_MPS + MPS_SUFFIX, _writer);
               worker->get_value(subproblem_data.subproblem_cost);
-              worker->get_solution(subproblem_data.solution);
+              if (_options.EXTERNAL_LOOP_OPTIONS.DO_OUTER_LOOP) {
+                std::vector<double> solution;
+                worker->get_solution(solution);
+                subproblem_data.outer_loop_criterions =
+                    ComputeOuterLoopCriterion(name, solution);
+              }
               worker->get_subgradient(subproblem_data.var_name_and_subgradient);
               worker->get_splex_num_of_ite_last(subproblem_data.simplex_iter);
               subproblem_data.subproblem_timer = subproblem_timer.elapsed();
@@ -427,9 +432,7 @@ void BendersBase::compute_cut(const SubProblemDataMap &subproblem_data_map) {
                               subproblem_data.var_name_and_subgradient,
                               _data.x_cut, subproblem_data.subproblem_cost);
     relevantIterationData_.last._cut_trace[subproblem_name] = subproblem_data;
-    // ComputeOuterLoopCriterion(subproblem_name, subproblem_data);
   }
-  // outer_loop_criterion_.push_back(current_outer_loop_criterion_);
 }
 
 void compute_cut_val(const Point &var_name_subgradient, const Point &x_cut,
@@ -1022,8 +1025,7 @@ std::vector<double> BendersBase::GetOuterLoopCriterionAtBestBenders() const {
 
 std::vector<double> BendersBase::ComputeOuterLoopCriterion(
     const std::string &subproblem_name,
-    const PlainData::SubProblemData &sub_problem_data) {
-
+    const std::vector<double> &sub_problem_solution) {
   auto outer_loop_input_size = var_indices_.size(); // num of patterns
   std::vector<double> outer_loop_criterion_per_sub_problem(outer_loop_input_size,
                                                            {});
@@ -1037,8 +1039,7 @@ std::vector<double> BendersBase::ComputeOuterLoopCriterion(
        ++pattern_index) {
     auto pattern_variables_indices = var_indices_[pattern_index];
     for (auto variables_index : pattern_variables_indices) {
-
-      if (auto solution = sub_problem_data.solution[variables_index];
+      if (auto solution = sub_problem_solution[variables_index];
           solution > criterion_count_threshold)
         // 1h of no supplied energy
         outer_loop_criterion_per_sub_problem[pattern_index] +=
diff --git a/src/cpp/benders/benders_core/include/BendersBase.h b/src/cpp/benders/benders_core/include/BendersBase.h
index fb4c2819a..3ccb9d2bc 100644
--- a/src/cpp/benders/benders_core/include/BendersBase.h
+++ b/src/cpp/benders/benders_core/include/BendersBase.h
@@ -237,7 +237,7 @@ class BendersBase {
   // outer loop criterion per pattern
   std::vector<double> ComputeOuterLoopCriterion(
       const std::string &subproblem_name,
-      const PlainData::SubProblemData &sub_problem_data);
+      const std::vector<double> &sub_problem_solution);
 
   void UpdateOuterLoopMaxCriterionArea();
   void UpdateOuterLoopSolution();
diff --git a/src/cpp/benders/benders_core/include/SubproblemCut.h b/src/cpp/benders/benders_core/include/SubproblemCut.h
index 69c0f392c..6c070750d 100644
--- a/src/cpp/benders/benders_core/include/SubproblemCut.h
+++ b/src/cpp/benders/benders_core/include/SubproblemCut.h
@@ -9,7 +9,7 @@ namespace PlainData {
 struct SubProblemData {
   double subproblem_cost;
   Point var_name_and_subgradient;
-  std::vector<double> solution;
+  std::vector<double> outer_loop_criterions;
   double single_subpb_costs_under_approx;
   double subproblem_timer;
   int simplex_iter;
@@ -19,7 +19,7 @@ struct SubProblemData {
   void serialize(Archive &ar, const unsigned int version) {
     ar & subproblem_cost;
     ar & var_name_and_subgradient;
-    ar & solution;
+    ar & outer_loop_criterions;
     ar & single_subpb_costs_under_approx;
     ar & subproblem_timer;
     ar & simplex_iter;
diff --git a/src/cpp/benders/benders_mpi/BendersMPI.cpp b/src/cpp/benders/benders_mpi/BendersMPI.cpp
index a808cbf6e..45a8c7868 100644
--- a/src/cpp/benders/benders_mpi/BendersMPI.cpp
+++ b/src/cpp/benders/benders_mpi/BendersMPI.cpp
@@ -168,15 +168,16 @@ BendersMpi::ComputeSubproblemsContributionToOuterLoopCriterion(
       var_indices_.size(), {});
   std::vector<double> outer_loop_criterion_sub_problems_map_result(
       var_indices_.size(), {});
+
   for (const auto &[subproblem_name, subproblem_data] : subproblem_data_map) {
     AddVectors<double>(
         outer_loop_criterion_per_sub_problem_per_pattern,
-        ComputeOuterLoopCriterion(subproblem_name, subproblem_data));
+                       subproblem_data.outer_loop_criterions);
   }
+
   Reduce(outer_loop_criterion_per_sub_problem_per_pattern,
          outer_loop_criterion_sub_problems_map_result, std::plus<double>(),
          rank_0);
-  // outer_loop_criterion_sub_problems_map_result/=nbyears;
 
   return outer_loop_criterion_sub_problems_map_result;
 }