When they send you an electronic bill or an online statement it is exact copy of your paper bill.
The company send you an alert to tell you that your new statement is online.
When the tax time come either you print your own bills or call them to send the paper copy of the bills they will oblige.
This is an example of a bill alert:
You have a new e-Bill from PSNC Energy - PNSC Energy :
**
https://detail.getbills.com/logos/0000001620001.jpg
**
****Pay To Account Number: *************1320
****Due Date:****01/12/2009
****Amount Due: ******$ xxx.xx **
View This e-Bill
e-Bill Initiated Payment Message: This e-bill has been scheduled to be paid automatically on January 12, 2009.*
*Note: The payment date is the date the Pay To account is scheduled to receive the payment.