curl --request GET \
  --url https://api.voltview.co.uk/v1/sites/peakDemand \
  --header 'Authorization: Bearer <token>'

[
  {
    "siteId": "<string>",
    "peak": 123,
    "timestamp": "2023-11-07T05:31:56Z",
    "averageDemand": 123,
    "loadFactor": 123
  }
]