An increasing level of cooperation between public administrations nowadays on national, regional and local level requires methods to develop interoperable eGovernment systems and leads to the necessity of an efficient evaluation and requirements engineering process. In this paper, we propose a framework to systematically gather and evaluate requirements for eGovernment in the large. The evaluation framework is designed to help requirements engineers to develop a suitable evaluation and requirements engineering process. The methodology is motivated and explained on the basis of a European research project