Innovative solutions are Implemented as a result of very complex and often lengthy processes. The processes of innovation are strong connected to the uncertainty and risk. The paper shows the proposal of multi-criteria assessment method oriented on potential effects of implementing innovation for the production system as a whole. It is more complete than monocriteria assessment, thus giving a more comprehensive image of the effects of the proposed solution. The method has been developed based on aggregate assessment. Aggregate assessment is a general assessment of the values of a certain object in this case the production system. It consists in combining individual assessment criteria into one unity. The values may be positive or negative and refers to various types of aspects, e.g. utilitarian, technical, economic, social, depending on the strategy of enterprise. When we want to implement the specified innovation in the production system, we should diagnose the potential effects of it for the whole system. It is the main reason of using the proposed methodology. The use of the method was shown on the example of implementation of the world class innovative software solution called IPOsystem. The system individually manages the work of employees and machines on an ongoing basis, including all changes concerning the condition of these resources and the current status in the production process in real time. IPOsystem complements ERP class systems in the field of active process planning and manufacturing process control. It provides managers with credible and current information concerning resources, production orders, terms of order realisation, actual working time, costs, quality control results, production deficiencies, breakdowns etc.