diff --git a/idaes/core/util/model_diagnostics.py b/idaes/core/util/model_diagnostics.py
index 36aac27286..5a562d17e0 100644
--- a/idaes/core/util/model_diagnostics.py
+++ b/idaes/core/util/model_diagnostics.py
@@ -2962,6 +2962,14 @@ def psweep_runner_validator(val):
         description="Options to pass to IPOPT.",
     ),
 )
+CACONFIG.declare(
+    "halt_on_error",
+    ConfigValue(
+        default=False,
+        domain=bool,
+        doc="Whether to halt execution of parameter sweep on encountering a solver error (default=False).",
+    ),
+)
 
 
 class ConvergenceAnalysis:
@@ -2986,14 +2994,19 @@ def __init__(self, model, **kwargs):
 
         self._model = model
 
+        solver = SolverFactory("ipopt")
+        if self.config.solver_options is not None:
+            solver.options = self.config.solver_options
+
         self._psweep = self.config.workflow_runner(
             input_specification=self.config.input_specification,
             build_model=self._build_model,
+            rebuild_model=True,
             run_model=self._run_model,
             collect_results=self._collect_results,
-            failure_recourse=self._recourse,
-            solver="ipopt",
-            solver_options=self.config.solver_options,
+            halt_on_error=self.config.halt_on_error,
+            handle_solver_error=self._recourse,
+            solver=solver,
         )
 
     @property
diff --git a/idaes/core/util/parameter_sweep.py b/idaes/core/util/parameter_sweep.py
index 5cd795a9e0..71d01d5f27 100644
--- a/idaes/core/util/parameter_sweep.py
+++ b/idaes/core/util/parameter_sweep.py
@@ -31,6 +31,10 @@
 # Set up logger
 _log = idaeslog.getLogger(__name__)
 
+# TODO: Timeouts
+# TODO: Progress bar/indicator
+# TODO: Re-initialize option/callback
+
 
 class ParameterSweepSpecification(object):
     """Defines a set of input variables/parameters and values to be used in
diff --git a/idaes/core/util/tests/test_model_diagnostics.py b/idaes/core/util/tests/test_model_diagnostics.py
index b034027188..23d44b2974 100644
--- a/idaes/core/util/tests/test_model_diagnostics.py
+++ b/idaes/core/util/tests/test_model_diagnostics.py
@@ -17,7 +17,6 @@
 import math
 import numpy as np
 import pytest
-from collections import OrderedDict
 import os
 from copy import deepcopy
 
@@ -1944,20 +1943,13 @@ def test_report_irreducible_degenerate_sets_none(self, model, scip_solver):
 
 ca_dict = {
     "specification": {
-        "inputs": OrderedDict(
-            [
-                (
-                    "v2",
-                    OrderedDict(
-                        [
-                            ("pyomo_path", "v2"),
-                            ("lower", 2),
-                            ("upper", 6),
-                        ]
-                    ),
-                )
-            ]
-        ),
+        "inputs": {
+            "v2": {
+                "pyomo_path": "v2",
+                "lower": 2,
+                "upper": 6,
+            },
+        },
         "sampling_method": "UniformSampling",
         "sample_size": [2],
         "samples": {
@@ -1968,31 +1960,21 @@ def test_report_irreducible_degenerate_sets_none(self, model, scip_solver):
             "column_names": [None],
         },
     },
-    "results": OrderedDict(
-        [
-            (
-                0,
-                {
-                    "solved": True,
-                    "results": 2,
-                },
-            ),
-            (
-                1,
-                {
-                    "solved": True,
-                    "results": 6,
-                },
-            ),
-        ]
-    ),
+    "results": {
+        0: {
+            "solved": True,
+            "results": 2,
+        },
+        1: {
+            "solved": True,
+            "results": 6,
+        },
+    },
 }
 
 ca_res = {
     "specification": {
-        "inputs": OrderedDict(
-            [("v2", OrderedDict([("pyomo_path", "v2"), ("lower", 2), ("upper", 6)]))]
-        ),
+        "inputs": {"v2": {"pyomo_path": "v2", "lower": 2, "upper": 6}},
         "sampling_method": "UniformSampling",
         "sample_size": [2],
         "samples": {
@@ -2003,36 +1985,28 @@ def test_report_irreducible_degenerate_sets_none(self, model, scip_solver):
             "column_names": [None],
         },
     },
-    "results": OrderedDict(
-        [
-            (
-                0,
-                {
-                    "solved": False,
-                    "results": {
-                        "iters": 7,
-                        "iters_in_restoration": 4,
-                        "iters_w_regularization": 0,
-                        "time": 0.0,
-                        "numerical_issues": True,
-                    },
-                },
-            ),
-            (
-                1,
-                {
-                    "solved": False,
-                    "results": {
-                        "iters": 7,
-                        "iters_in_restoration": 4,
-                        "iters_w_regularization": 0,
-                        "time": 0.0,
-                        "numerical_issues": True,
-                    },
-                },
-            ),
-        ]
-    ),
+    "results": {
+        0: {
+            "solved": False,
+            "results": {
+                "iters": 7,
+                "iters_in_restoration": 4,
+                "iters_w_regularization": 0,
+                "time": 0.0,
+                "numerical_issues": True,
+            },
+        },
+        1: {
+            "solved": False,
+            "results": {
+                "iters": 7,
+                "iters_in_restoration": 4,
+                "iters_w_regularization": 0,
+                "time": 0.0,
+                "numerical_issues": True,
+            },
+        },
+    },
 }
 
 
@@ -2055,7 +2029,7 @@ def test_init(self, model):
 
         assert ca._model is model
         assert isinstance(ca._psweep, SequentialSweepRunner)
-        assert isinstance(ca.results, OrderedDict)
+        assert isinstance(ca.results, dict)
         assert ca.config.input_specification is None
         assert ca.config.solver_options is None
 
@@ -2184,7 +2158,7 @@ def test_run_convergence_analysis(self, model):
 
         ca.run_convergence_analysis()
 
-        assert isinstance(ca.results, OrderedDict)
+        assert isinstance(ca.results, dict)
         assert len(ca.results) == 4
 
         # Ignore time, as it is too noisy to test
@@ -2232,12 +2206,10 @@ def ca_with_results(self):
             input_specification=spec,
         )
 
-        ca._psweep._results = OrderedDict(
-            {
-                0: {"solved": True, "results": 2},
-                1: {"solved": True, "results": 6},
-            }
-        )
+        ca._psweep._results = {
+            0: {"solved": True, "results": 2},
+            1: {"solved": True, "results": 6},
+        }
 
         return ca