This paper presents the EnArgus Project - a project which aims to make energy research funding more transparent and includes the use and development of an ontology. The structure of the paper is as follows: first, we will present the EnArgus project, its domain, and its main goals. Next, we will describe the domain-specific ontology which we developed for EnArgus. This will lead to a description of how that ontology has been constructed and evaluated. Finally, we will discuss describe how the whole system has been evaluated.