The payback period is how long it will take to recover money invested in a project, and the so-called straight-payback-period calculation is the simplest way of determining the project's investment ...

Definition: An investment’s payback period in years is equal to the net investment amount divided by the average annual cash flow from the investment. What it means: How long will it take to get my ...

Energy costs continue to go up, making it more expensive to power your home than ever before. If you're concerned about what your future bill might look like, installing solar panels might seem like ...