scope:

NVN-IEC/TS 62257-3 provides information on the responsibilities involved in the implementation of rural power systems. In Clause 5, this technical specification presents contractual relationships to be built between the different participants to a project. Throughout the project, responsibilities are to be clearly defined and contractual commitments controlled. Clause 6 provides relevant tests to be applied to renewable energy and hybrid electrification systems. Clause 7 provides proposed quality assurance principles to be implemented. In Clause 8, requirements are proposed for recycling and protection of the environment. In Annex A of this technical specification, further technical considerations for contractual liabilities are provided.