From 39472a4ff6e4d174ca8178d6b2e5c32cb80c38e7 Mon Sep 17 00:00:00 2001
From: "Hammond, Rob" <13874373+RHammond2@users.noreply.github.com>
Date: Thu, 2 Apr 2026 07:59:00 -0700
Subject: [PATCH 1/3] add custom create_layout_df for CustomArrayDesign

---
 ORBIT/phases/design/array_system_design.py | 37 ++++++++++++++++++++++
 1 file changed, 37 insertions(+)

diff --git a/ORBIT/phases/design/array_system_design.py b/ORBIT/phases/design/array_system_design.py
index 0e401bab..2f5ab108 100644
--- a/ORBIT/phases/design/array_system_design.py
+++ b/ORBIT/phases/design/array_system_design.py
@@ -7,6 +7,7 @@
 
 
 import warnings
+from copy import deepcopy
 from collections import OrderedDict
 
 import numpy as np
@@ -1129,3 +1130,39 @@ def cable_lengths_by_type_speed(self):
             for name in self.cables
         }
         return cables
+
+    def create_layout_df(self) -> pd.DataFrame:
+        """Creates a Pandas DataFrame layout.
+
+        Returns
+        -------
+        pd.DataFrame
+            The wind farm layout returned back in its original form.
+        """
+        layout_df = deepcopy(self.location_data)
+        substation_cols = [
+            "substation_id",
+            "substation_name",
+            "substation_latitude",
+            "substation_longitude",
+        ]
+        substations = (
+            layout_df[substation_cols]
+            .drop_duplicates()
+            .rename(
+                columns={
+                    col: col.replace("substation_", "")
+                    for col in layout_df.columns
+                }
+            )
+        )
+        layout_df = layout_df.drop(columns=substation_cols).rename(
+            columns={
+                col: col.replace("turbine_", "") for col in layout_df.columns
+            }
+        )
+        layout_df = (
+            pd.concat((layout_df, substations))
+            .reset_index(drop=True)
+            .fillna("")
+        )

From 5779876c80a8c1a7f7ffd04127cf4f07a5ee7d21 Mon Sep 17 00:00:00 2001
From: "Hammond, Rob" <13874373+RHammond2@users.noreply.github.com>
Date: Thu, 2 Apr 2026 08:02:42 -0700
Subject: [PATCH 2/3] update changelog

---
 docs/source/changelog.rst | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/docs/source/changelog.rst b/docs/source/changelog.rst
index d150de16..d69e45ee 100644
--- a/docs/source/changelog.rst
+++ b/docs/source/changelog.rst
@@ -3,8 +3,13 @@
 ORBIT Changelog
 ===============
 
-Unreleased
-----------
+1.2.6
+-----
+- Implements `create_layout_df` for the `CustomArraySystemDesign` model to ensure
+  compatibility with workflows relying on the layout generation tools.
+
+1.2.5
+-----
 - Allow for a Pandas DataFrame to be passed directly to the ``CustomArraySystemDesign.layout_data``
   configuration input.
 - Move the matplotlib import from the import section of ``/ORBIT/phases/design/array_system_design.py``

From 4380f0ee28641a4de61dda006959ac1402dc694c Mon Sep 17 00:00:00 2001
From: "Hammond, Rob" <13874373+RHammond2@users.noreply.github.com>
Date: Thu, 2 Apr 2026 08:02:54 -0700
Subject: [PATCH 3/3] bump version

---
 ORBIT/__init__.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ORBIT/__init__.py b/ORBIT/__init__.py
index 41703e9e..086b6995 100644
--- a/ORBIT/__init__.py
+++ b/ORBIT/__init__.py
@@ -17,4 +17,4 @@
 from ORBIT.parametric import ParametricManager
 from ORBIT.supply_chain import SupplyChainManager
 
-__version__ = "1.2.5"
+__version__ = "1.2.6"