IEC 61116:2025 pdf download – Electromechanical equipment guidance for small hydroelectric installations.
IEC 61116:2025 provides guidance applicable to hydroelectric installations equipped with impulse or reaction turbines having unit outputs up to approximately 15 MW and reference runner diameters around 3 m; these values are not absolute limits.
This document addresses only the direct relationships between the purchaser or consulting engineer and the supplier; it does not cover civil works, administrative provisions, or commercial terms. It is intended for use by all parties involved in installing electromechanical equipment for small hydroelectric plants.