The core activity of etaeval GmbH is the provision of engineering services in the field of hydroelectric power plants and water supply systems. This includes in particular: Monitoring: Continuous efficiency monitoring in hydroelectric power plants; Measurements: Conducting measurements in hydroelectric power plants and water supply systems; Simulations: Conducting simulations of hydraulic systems with coupled control behavior; Expert opinions: Creating expert opinions, especially in the field of efficiency evaluation in hydroelectric power plants. The company supports plant operators in optimizing energy production, evaluating turbine and pump suppliers, and planning and implementing revisions and renovations of hydroelectric power plants.