Now-a-days, companies are moving some parts of their businesses to the cloud. Industry predictions are that this trend will continue to grow and develop even further in the coming few years. While Cloud computing is undoubtedly beneficial for mid-size to large companies, it is not without its downsides, especially for smaller businesses. This paper is to deliver an analysis based on advantages and disadvantages of cloud computing technology, in order to help organizations fully understand and adopt this new computing technology. Finally, to prove the advantages that cloud technology can have for this domain, the authors are presenting a cloud application for telemetry, with a focus on monitoring hydro-energy.