The energy market is so wide and diverse that getting started on a solution can be mind boggling. Over the years One Sightsolutions have been involved with many aspects of energy monitoring. Be it for building profiling, tenant billing, benchmarking or just to help building owners understand where energy is being used. Hence with the knowledge gained we are able to provide an overview of what can or cannot be achieved within a building by either using existing equipment installed or by providing a proposal to install new monitoring equipment to provide the services required. There are so many reasons for putting in an energy monitoring system and so many different ways of implementing monitoring systems, that making a sensible decision on the best way forward can prove to be a very difficult choice.