EPA created ENERGY STAR Portfolio Manager® as an online tool you can use to measure and track energy and water consumption, as well as greenhouse gas emissions. Use it to benchmark the performance of one building or a whole portfolio of buildings, all in a secure online environment.
You can use Portfolio Manager to manage the energy and water use of any building. All you need are your energy bills and some basic information about your building to get started. For new buildings, you can also use Portfolio Manager to set your energy use target and see how your estimated design energy stacks up against similar existing buildings nationwide.
Portfolio Manager is a free online tool accessible from the ENERGY STAR website. There you can read more about Portfolio Manager and find guidance on using the program or receiving training.