curl --request GET \
  --url https://api.rebase.energy/platform/v2/sites/{site_id}/capacity \
  --header 'Authorization: <api-key>'

{
  "meta": {
    "site_name": "My site",
    "site_id": "48302759-0371-4d54-9ba1-506708b576fe",
    "unit": "kW"
  },
  "data": {
    "valid_time": [
      "2024-01-01T00:00:00Z",
      "2024-01-01T01:00:00Z",
      "2024-01-01T02:00:00Z",
      "2024-01-01T03:00:00Z",
      "2024-01-01T04:00:00Z",
      "2024-01-01T05:00:00Z",
      "2024-01-01T06:00:00Z",
      "2024-01-01T07:00:00Z",
      "2024-01-01T08:00:00Z",
      "2024-01-01T09:00:00Z"
    ],
    "value": [
      6000,
      6000,
      6000,
      6000,
      6000,
      6000,
      6000,
      6000,
      6000,
      6000
    ]
  }
}