At the end of this stage you will have an appraisal of the viability of your scheme, including potential revenue and costs. This will have involved: Site visit. Discussion of client requirements and aspirations. Carry out detailed measurements of all structures and watercourses. Desktop estimation of flow data and initial assessment of potential energy capture. Assessment of suitability of your site for the various types of available equipment. We supply Archimedean Screw turbines where the site is suitable, but will always recommend other systems if these would provide a better solution. Calculation of system outline cost, likely revenue and economic payback time.