Get the Current Gas Calorific Value for any LDZ in the UK, based on: https://gist.github.com/lwsrbrts/d96092b65f2f7b7952e2f7983a9ee527

GetCurrentCalorificValue.ps1

cls
$TodayDate = Get-Date -Format "yyyy-MM-dd"
#$TodayDate = "2023-08-15" #for testing

$LDZ = Read-Host -Prompt 'Enter the Local Distribution Zone (LDZ) that you require info for, see here: [https://www.xoserve.com/xoserve-search?term=Postcode%20Exit%20Zone/LDZ%20mapping%20list] '

$Soap = @"
<?xml version="1.0" encoding="utf-8"?>
<soap12:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap12="http://www.w3.org/2003/05/soap-envelope">
  <soap12:Body>
    <GetPublicationDataWM xmlns="http://www.NationalGrid.com/MIPI/">
      <reqObject>
        <LatestFlag>Y</LatestFlag>
        <ApplicableForFlag>Y</ApplicableForFlag>
        <FromDate>$($TodayDate)T00:00:00.000Z</FromDate>
        <ToDate>$($TodayDate)T00:00:00.000Z</ToDate>
        <DateType>NORMALDAY</DateType>
        <PublicationObjectNameList>
          <string>Calorific Value, LDZ($LDZ)</string>
        </PublicationObjectNameList>
      </reqObject>
    </GetPublicationDataWM>
  </soap12:Body>
</soap12:Envelope>
"@

$Req = Invoke-WebRequest -Uri "http://marketinformation.natgrid.co.uk/MIPIws-public/public/publicwebservice.asmx" -Method 'Post' -ContentType 'application/soap+xml' -Body $Soap

[xml]$XML = $Req

$Value = $XML.Envelope.Body.GetPublicationDataWMResponse.GetPublicationDataWMResult.CLSMIPIPublicationObjectBE.PublicationObjectData.CLSPublicationObjectDataBE.Value

"`n`n`nThe current Calorific Value (CV) for LDZ ["+$LDZ.ToUpper()+"] for "+$TodayDate+" is {0:N2}" -f $Value 

"`nMore data available at: [https://data.nationalgas.com/]`n`n`n"

read-host “Press ENTER to EXIT”

# Based on [https://gist.github.com/lwsrbrts/d96092b65f2f7b7952e2f7983a9ee527] by [https://gist.github.com/lwsrbrts] - thank you for your script.