2023-12-04_CoHE R_V3

Safety training

Control of Hazardous Energies Refresher / V3 2023-12-04


This reference list contains the references of relevant standards and norms that were used to create the GWO CoHE Refresher Standard:

EN 50110 - Operation of Electrical Installations

NFPA 70E - Standard for Electrical Safety in the Workplace

WTSR - Wind Turbine Safety Rules

Please use the terms and definitions from the GWO CoHE Refresher Standard instead of the terms and definitions used in the referenced standards and norms above. The terms and definitions in the GWO CoHE Refresher Standard were made for the sake of creating this global training standard based on the common ground of different recognised standards. Participants could end up working under any variety of safe system of work, so the language and terminology have been chosen to be as applicable as possible across the most common systems of work.



Global Wind Organisation is a non-profit body founded by the wind turbine manufacturers and owners. Our members strive for an injury free work environment in the wind turbine industry, setting common international standards for safety training and emergency procedures. Hazardous energies pose a high risk of injury to all workers working within the wind industry. One of the reasons for this is that hazardous energies are found in various forms within the wind turbine environment and within the environment of a wind farm. This CoHE Refresher Standard describes refresher training that complements company, turbine, regional and equipment specific CoHE trainings by providing a common basis for CoHE trainings that are recommended by the members of GWO but does not automatically qualify the participants. These nominations can only be granted according to company specific trainings, rules, and procedures along with national and regional legislation. Lastly, the members of GWO also strongly emphasise that company specific rules and procedures along with national and regional legislation shall always be looked up and followed when working in the wind industry. This is because CoHE rules, procedures and requirements can vary depending on: national and regional legislation; company approach and WTG model.

The standard comprises of three modules:


CoHE Basic Safety Refresher


CoHE Electrical Safety Refresher

Global Wind Organisation ©2023 / www.globalwindsafety.org

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