diff --git a/src/geophires_x/SurfacePlant.py b/src/geophires_x/SurfacePlant.py
index 6113add02..d70b32487 100644
--- a/src/geophires_x/SurfacePlant.py
+++ b/src/geophires_x/SurfacePlant.py
@@ -472,6 +472,26 @@ def __init__(self, model: Model):
             ToolTipText="Dynamic viscosity of the working fluid"
         )
 
+        self.project_latitude = self.ParameterDict[self.project_latitude.Name] = floatParameter(
+            "Project Latitude",
+            UnitType=Units.NONE,
+            CurrentUnits=Units.NONE,
+            PreferredUnits=Units.NONE,
+            Min=-90,
+            Max=90,
+            ToolTipText="Latitude of the project location."
+        )
+        self.project_longitude = self.ParameterDict[self.project_longitude.Name] = floatParameter(
+            "Project Longitude",
+            UnitType=Units.NONE,
+            CurrentUnits=Units.NONE,
+            PreferredUnits=Units.NONE,
+            Min=-180,
+            Max=180,
+            ToolTipText="Longitude of the project location."
+        )
+
+
         # local variable initialization
         self.setinjectionpressurefixed = False
         sclass = str(__class__).replace("<class \'", "")
diff --git a/src/geophires_x_schema_generator/geophires-request.json b/src/geophires_x_schema_generator/geophires-request.json
index 431686349..3f7a887b8 100644
--- a/src/geophires_x_schema_generator/geophires-request.json
+++ b/src/geophires_x_schema_generator/geophires-request.json
@@ -1350,6 +1350,24 @@
       "minimum": 0.0,
       "maximum": 1
     },
+    "Project Latitude": {
+      "description": "Latitude of the project location.",
+      "type": "number",
+      "units": null,
+      "category": "Surface Plant",
+      "default": 0.0,
+      "minimum": -90,
+      "maximum": 90
+    },
+    "Project Longitude": {
+      "description": "Longitude of the project location.",
+      "type": "number",
+      "units": null,
+      "category": "Surface Plant",
+      "default": 0.0,
+      "minimum": -180,
+      "maximum": 180
+    },
     "Dead-state Pressure": {
       "description": "",
       "type": "number",
diff --git a/tests/examples/Fervo_Project_Cape-5.out b/tests/examples/Fervo_Project_Cape-5.out
index c1183346b..2d99bfc8b 100644
--- a/tests/examples/Fervo_Project_Cape-5.out
+++ b/tests/examples/Fervo_Project_Cape-5.out
@@ -4,10 +4,10 @@
 
 Simulation Metadata
 ----------------------
- GEOPHIRES Version: 3.12.1
- Simulation Date: 2026-04-01
- Simulation Time:  10:35
- Calculation Time:      1.788 sec
+ GEOPHIRES Version: 3.13.4
+ Simulation Date: 2026-04-28
+ Simulation Time:  09:51
+ Calculation Time:      1.810 sec
 
                            ***SUMMARY OF RESULTS***
 
diff --git a/tests/examples/Fervo_Project_Cape-5.txt b/tests/examples/Fervo_Project_Cape-5.txt
index 1b80f12eb..887b04fac 100644
--- a/tests/examples/Fervo_Project_Cape-5.txt
+++ b/tests/examples/Fervo_Project_Cape-5.txt
@@ -120,3 +120,6 @@ Maximum Drawdown, 0.0025, -- This value represents the fractional drop in produc
 # *****************************
 Maximum Temperature, 500
 Time steps per year, 12
+
+Project Latitude, 38.50619639648534
+Project Longitude, -112.91815591746716
diff --git a/tests/examples/Fervo_Project_Cape-6.out b/tests/examples/Fervo_Project_Cape-6.out
index 93f566a2e..cd994b639 100644
--- a/tests/examples/Fervo_Project_Cape-6.out
+++ b/tests/examples/Fervo_Project_Cape-6.out
@@ -4,10 +4,10 @@
 
 Simulation Metadata
 ----------------------
- GEOPHIRES Version: 3.12.1
- Simulation Date: 2026-04-01
- Simulation Time:  10:35
- Calculation Time:      1.793 sec
+ GEOPHIRES Version: 3.13.4
+ Simulation Date: 2026-04-28
+ Simulation Time:  09:51
+ Calculation Time:      1.860 sec
 
                            ***SUMMARY OF RESULTS***
 
diff --git a/tests/examples/Fervo_Project_Cape-6.txt b/tests/examples/Fervo_Project_Cape-6.txt
index 31229fbb8..c34ceb352 100644
--- a/tests/examples/Fervo_Project_Cape-6.txt
+++ b/tests/examples/Fervo_Project_Cape-6.txt
@@ -116,3 +116,6 @@ Maximum Drawdown, 0.0025, -- This value represents the fractional drop in produc
 # *****************************
 Maximum Temperature, 500
 Time steps per year, 12
+
+Project Latitude, 38.50619639648534
+Project Longitude, -112.91815591746716
diff --git a/tests/examples/example8.txt b/tests/examples/example8.txt
index 3e1dceaab..b1258c59b 100644
--- a/tests/examples/example8.txt
+++ b/tests/examples/example8.txt
@@ -43,6 +43,9 @@ Surface Temperature,20,		  				---[deg.C]
 Ambient Temperature,20,		 				---[deg.C]
 Electricity Rate,0.1,						---Electricity rate for pumping power [$/kWh]
 
+Project Latitude, 42.441977082209235, -- Estimated location; https://www.google.com/maps/search/?api=1&query=42.441977082209235,76.43242140337269
+Project Longitude, -76.43242140337269
+
 ***FINANCIAL PARAMETERS***
 **************************
 Plant Lifetime,30,			  			---[years]
diff --git a/tests/examples/example_SHR-3.txt b/tests/examples/example_SHR-3.txt
index 8c3f3878d..d4a520295 100644
--- a/tests/examples/example_SHR-3.txt
+++ b/tests/examples/example_SHR-3.txt
@@ -1,4 +1,5 @@
- # SHR LCOE Analysis: https://scientificwebservices.com/shr/VERTICAL_LARGE_IDEAL_ADJUSTED/graphs/graphs.html:
+# Example: Superhot Rock (SHR) 3
+# SHR LCOE Analysis: https://scientificwebservices.com/shr/VERTICAL_LARGE_IDEAL_ADJUSTED/graphs/graphs.html
 #    NOAK: Adjusted VERTICAL_LARGE_IDEAL Correlation drilling and completion cost model
 #    BHT = 450.0 C
 #    Gradient = 112.0 C/km