You can publish from within Excel 2016 to Power BI.
To do this, go through the following steps.
In Excel 2016, create a new spreadsheet with data.
Then, go to File->Publish:
Select Save to Cloud, to save to One Drive for Business:
Save the file. Next, Publish to Power BI:
You should see a success message:
A new dataset will be created (no report or dashboard):
Go to Schedule Refresh. You will see the new dataset with a OneDrive refresh option: