How to succesfully run a batch file in an SQL Agent job?
It looks like you need to configure the second step of your job to run as a domain account with permissions to write to the \KWS2-WEB-SERVER\Share\Reports\Uur share as well as read access to the C:\Reports\Energie\Uur folder.

You first will need to add a credential to SQL Server. From the Security > Credentials folder you will need to right click and choose New Credential... Fill in that information and click OK.

Once that is complete you will need to create a Proxy that uses this credential. From the SQL Server Agent > Proxies > Operating System (CmdExec) folder you will need to right click and choose New Proxy... Use the credential you created earlier.

Now you can configure your second job step to use the Proxy you just created using Run As: drop down of the job step page.