Below is a step-by-step guide on how to check your FESCO bill using FESCO Bill Online website. 1. Visit the FESCO WebsiteThe 1st method to check your FESCO bill is through the FESCO Bill Online website. Simply visit fscobillpk, which provides a dedicated section. On the homepage, you will find a “Bill Checking” tab, where you can enter your Reference number or your Customer ID....