How to change electricity provider without hassle?

By without hassle, I'm assuming that you mean without having to change the way you view and pay for bills. You might want to look for providers that still uses SP bill, instead of their own company bills, such as Tuas power. there are a few providers like this, you can refer to our tool and filter for "Same SP Bill" here: https://seedly.sg/compare/open-electricity-mark...