First, it means that, viewing citizens as customers, they do not usually have a choice of alternative suppliers.

Would they be likely to look for alternative suppliers?

Loyal customers can be quick to find alternative suppliers who provide a better deal.

In addition, the company began selling data to businesses which desired alternative suppliers.

At some point, however, you may need to look for alternative suppliers.

Competition law provides little restraint on business behaviour in markets with many alternative suppliers.

"My understanding is that there are alternative suppliers for turbine generators," a senior American official said.

Put contingency plans, such as alternative suppliers, in place.

Regularly review supplier performance and be prepared to shop around for alternative suppliers if necessary.

Talk to alternative suppliers of energy about the tariffs they could offer you and whether these beat the terms offered by your current supplier.