Hi Beryl R,
Yes, it's possible to change the email address on the customer statements. I'll guide you through the steps.
Before sending the statements, make sure to delete the old email address and enter the new one. I've added this screenshot as your guide:
Moreover, if you want to customise the statements before emailing them to your customers, you can check this article: Customise your statements.
You can always post in the forum if there's anything that I can help with sending statements.