diff --git a/windIO/plant/common.yaml b/windIO/plant/common.yaml
index 1e1cf60..acd483f 100644
--- a/windIO/plant/common.yaml
+++ b/windIO/plant/common.yaml
@@ -42,4 +42,53 @@ definitions:
     decimal:
       type: number
       minimum: 0
-      maximum: 1
\ No newline at end of file
+      maximum: 1
+
+  multi_dimensional_data:
+    oneOf:
+      - $ref: "#/definitions/dimensional_data"
+      - $ref: "#/definitions/nondimensional_data"
+
+  dimensional_data:
+    title: Data with custom dimensions
+    type: object
+    properties:
+      data:
+        type: array
+        items:
+          type: [array, number]
+      dims:
+        type: array
+
+  nondimensional_data:
+    title: Data with custom dimensions
+    type: object
+    properties:
+      data:
+        type: number
+      dims:
+        type: array
+        maxItems: 0
+
+  multi_dimensional_coordinate:
+    oneOf:
+      - $ref: "#/definitions/dimensional_coordinate"
+      - $ref: "#/definitions/nondimensional_coordinate"
+
+  dimensional_coordinate:
+    title: Data with custom dimensions
+    type: array
+    items:
+      oneOf:
+        - type: number
+        - 
+          type: "string"
+          format: "date-time"
+
+  nondimensional_coordinate:
+    title: Data with custom dimensions
+    oneOf:
+      - type: number
+      - 
+        type: "string"
+        format: "date-time"
diff --git a/windIO/plant/energy_resource.yaml b/windIO/plant/energy_resource.yaml
index 829918e..cd66a2a 100644
--- a/windIO/plant/energy_resource.yaml
+++ b/windIO/plant/energy_resource.yaml
@@ -40,85 +40,85 @@ properties:
     properties:
         time: 
             description: Timestamps for the data points
-            $ref: "#/definitions/multi_dimensional_coordinate"
+            $ref: "common.yaml#/definitions/multi_dimensional_coordinate"
         wind_direction:
             title: Wind directions
             description: Wind directions in degrees, [0,360]
             oneOf:
-              - $ref: "#/definitions/multi_dimensional_data"
-              - $ref: "#/definitions/multi_dimensional_coordinate"
+              - $ref: "common.yaml#/definitions/multi_dimensional_data"
+              - $ref: "common.yaml#/definitions/multi_dimensional_coordinate"
         wind_speed:
             description: Wind speeds in m/s
             oneOf:
-              - $ref: "#/definitions/multi_dimensional_data"
-              - $ref: "#/definitions/multi_dimensional_coordinate" 
+              - $ref: "common.yaml#/definitions/multi_dimensional_data"
+              - $ref: "common.yaml#/definitions/multi_dimensional_coordinate" 
         wind_turbine:
             title: Wind turbine IDs
             description: Wind turbine id
-            $ref: "#/definitions/multi_dimensional_coordinate"
+            $ref: "common.yaml#/definitions/multi_dimensional_coordinate"
         x:
             title: West-East position
             oneOf:
-              - $ref: "#/definitions/multi_dimensional_data"
-              - $ref: "#/definitions/multi_dimensional_coordinate"
+              - $ref: "common.yaml#/definitions/multi_dimensional_data"
+              - $ref: "common.yaml#/definitions/multi_dimensional_coordinate"
         y:
             title: South-North position
             oneOf:
-              - $ref: "#/definitions/multi_dimensional_data"
-              - $ref: "#/definitions/multi_dimensional_coordinate"
+              - $ref: "common.yaml#/definitions/multi_dimensional_data"
+              - $ref: "common.yaml#/definitions/multi_dimensional_coordinate"
         height:
             title: Reference height
             oneOf:
-              - $ref: "#/definitions/multi_dimensional_data"
-              - $ref: "#/definitions/multi_dimensional_coordinate" 
+              - $ref: "common.yaml#/definitions/multi_dimensional_data"
+              - $ref: "common.yaml#/definitions/multi_dimensional_coordinate" 
         probability:
             description: Probability of flow cases [0,1]
-            $ref: "#/definitions/multi_dimensional_data"
+            $ref: "common.yaml#/definitions/multi_dimensional_data"
         weibull_a:
             title: Weibull scale
-            $ref: "#/definitions/multi_dimensional_data"
+            $ref: "common.yaml#/definitions/multi_dimensional_data"
         weibull_k:
             title: Weibull shape
-            $ref: "#/definitions/multi_dimensional_data"
+            $ref: "common.yaml#/definitions/multi_dimensional_data"
         sector_probability:
             title: probability of wind directions
             description: Probability of wind sector [0,1]
-            $ref: "#/definitions/multi_dimensional_data"
+            $ref: "common.yaml#/definitions/multi_dimensional_data"
         turbulence_intensity:
             title: Turbulence intensity
-            $ref: "#/definitions/multi_dimensional_data"
+            $ref: "common.yaml#/definitions/multi_dimensional_data"
         reference_height:
             title: Reference height
             type: number
         shear:
             title: Shear
-            $ref: "#/definitions/shear"
+            $ref: "common.yaml#/definitions/shear"
         LMO:
             title: Monin–Obukhov length (m)
-            $ref: "#/definitions/multi_dimensional_data"
+            $ref: "common.yaml#/definitions/multi_dimensional_data"
         z0:
             title: Roughness height (m)
-            $ref: "#/definitions/multi_dimensional_data"
+            $ref: "common.yaml#/definitions/multi_dimensional_data"
         k:
             title: Turbulent kinetic energy
-            $ref: "#/definitions/multi_dimensional_data"
+            $ref: "common.yaml#/definitions/multi_dimensional_data"
         epsilon:
             title: Turbulent dissipation
-            $ref: "#/definitions/multi_dimensional_data"
+            $ref: "common.yaml#/definitions/multi_dimensional_data"
         potential_temperature:
             title: Potential Temperature (K)
-            $ref: "#/definitions/multi_dimensional_data"
+            $ref: "common.yaml#/definitions/multi_dimensional_data"
         friction_velocity:
             title: Friction velocity (m/s)
-            $ref: "#/definitions/multi_dimensional_data"
+            $ref: "common.yaml#/definitions/multi_dimensional_data"
         ground_temperature:
             title: Ground Temperature (K)
             description: Temperature of the ground in Kelvin
-            $ref: "#/definitions/multi_dimensional_data"
+            $ref: "common.yaml#/definitions/multi_dimensional_data"
         stability:
           title: Stability of the atmosphere
           description: Roughness length in meters
-          $ref: "#/definitions/multi_dimensional_data"
+          $ref: "common.yaml#/definitions/multi_dimensional_data"
         capping_inversion:
           title: Capping Inversion
           type: boolean
@@ -144,55 +144,6 @@ definitions:
         title: Shear ref height
         type: number
 
-  multi_dimensional_data:
-    oneOf:
-      - $ref: "#/definitions/dimensional_data"
-      - $ref: "#/definitions/nondimensional_data"
-
-  dimensional_data:
-    title: Data with custom dimensions
-    type: object
-    properties:
-      data:
-        type: array
-        items:
-          type: [array, number]
-      dims:
-        type: array
-
-  nondimensional_data:
-    title: Data with custom dimensions
-    type: object
-    properties:
-      data:
-        type: number
-      dims:
-        type: array
-        maxItems: 0
-
-  multi_dimensional_coordinate:
-    oneOf:
-      - $ref: "#/definitions/dimensional_coordinate"
-      - $ref: "#/definitions/nondimensional_coordinate"
-
-  dimensional_coordinate:
-    title: Data with custom dimensions
-    type: array
-    items:
-      oneOf:
-        - type: number
-        - 
-          type: "string"
-          format: "date-time"
-
-  nondimensional_coordinate:
-    title: Data with custom dimensions
-    oneOf:
-      - type: number
-      - 
-        type: "string"
-        format: "date-time"
-
 #     speedup:
 #       title: Speedup
 #       type: object