diff --git a/device/arista/x86_64-arista_7800_sup/platform.json b/device/arista/x86_64-arista_7800_sup/platform.json
index 958c57ac49..8dc0a45652 100644
--- a/device/arista/x86_64-arista_7800_sup/platform.json
+++ b/device/arista/x86_64-arista_7800_sup/platform.json
@@ -4,7 +4,176 @@
         "components": [],
         "fans": [],
         "fan_drawers": [],
-        "psus": [],
+        "psus": [
+            {
+                "name": "psu1",
+                "fans": [
+                    {
+                        "name": "psu1/1",
+                        "speed": {
+                            "controllable": false
+                        },
+                        "status_led": {
+                            "controllable": false
+                        }
+                    }
+                ]
+            },
+            {
+                "name": "psu2",
+                "fans": [
+                    {
+                        "name": "psu2/1",
+                        "speed": {
+                            "controllable": false
+                        },
+                        "status_led": {
+                            "controllable": false
+                        }
+                    }
+                ]
+            },
+            {
+                "name": "psu3",
+                "fans": [
+                    {
+                        "name": "psu3/1",
+                        "speed": {
+                            "controllable": false
+                        },
+                        "status_led": {
+                            "controllable": false
+                        }
+                    }
+                ]
+            },
+            {
+                "name": "psu4",
+                "fans": [
+                    {
+                        "name": "psu4/1",
+                        "speed": {
+                            "controllable": false
+                        },
+                        "status_led": {
+                            "controllable": false
+                        }
+                    }
+                ]
+            },
+            {
+                "name": "psu5",
+                "fans": [
+                    {
+                        "name": "psu5/1",
+                        "speed": {
+                            "controllable": false
+                        },
+                        "status_led": {
+                            "controllable": false
+                        }
+                    }
+                ]
+            },
+            {
+                "name": "psu6",
+                "fans": [
+                    {
+                        "name": "psu6/1",
+                        "speed": {
+                            "controllable": false
+                        },
+                        "status_led": {
+                            "controllable": false
+                        }
+                    }
+                ]
+            },
+            {
+                "name": "psu7",
+                "fans": [
+                    {
+                        "name": "psu7/1",
+                        "speed": {
+                            "controllable": false
+                        },
+                        "status_led": {
+                            "controllable": false
+                        }
+                    }
+                ]
+            },
+            {
+                "name": "psu8",
+                "fans": [
+                    {
+                        "name": "psu8/1",
+                        "speed": {
+                            "controllable": false
+                        },
+                        "status_led": {
+                            "controllable": false
+                        }
+                    }
+                ]
+            },
+            {
+                "name": "psu9",
+                "fans": [
+                    {
+                        "name": "psu9/1",
+                        "speed": {
+                            "controllable": false
+                        },
+                        "status_led": {
+                            "controllable": false
+                        }
+                    }
+                ]
+            },
+            {
+                "name": "psu10",
+                "fans": [
+                    {
+                        "name": "psu10/1",
+                        "speed": {
+                            "controllable": false
+                        },
+                        "status_led": {
+                            "controllable": false
+                        }
+                    }
+                ]
+            },
+            {
+                "name": "psu11",
+                "fans": [
+                    {
+                        "name": "psu11/1",
+                        "speed": {
+                            "controllable": false
+                        },
+                        "status_led": {
+                            "controllable": false
+                        }
+                    }
+                ]
+            },
+            {
+                "name": "psu12",
+                "fans": [
+                    {
+                        "name": "psu12/1",
+                        "speed": {
+                            "controllable": false
+                        },
+                        "status_led": {
+                            "controllable": false
+                        }
+                    }
+                ]
+            }
+        ],
         "thermals": [],
         "sfps": []
     },