Question:
How do I create a bill to check on PnP.
Can I create Bill comparisons? i.e. to run an account on different tariffs to see the outcome.

Answer:
The method to do this is to load more that 1 tariff on a Meter Account. You can do this @ Edit->MeterAccount


When you then select the tariff comparison menu item under view, while you're in the profile, it will run 2 provisional bills - one for each tariff - and compare them.