Hiring a diesel generator can have several advantages. Beyond the lower initial cost, you won't have to worry about installation works and regular maintenance. It's up to the generator provider to make sure you're getting a perfectly functional generator every time you need it. However, if you will be using a generator regularly, or if you just can't afford any downtime, buying one makes more sense. Although it comes with a higher price tag and additional installation and maintenance costs, it can prove to be much cheaper down the line. Below is a list of reasons why buying a diesel generator is cheaper than buying one.