S.E.T. have a repair and refurbishment section which carries out repairs on a number of electrical and electronic equipments and assemblies, for a wide range of important customers including U.K. M.O.D., major railway maintenance and supply companies, oil exploration companies, marine and industrial service companies. Many customers rely on the expertise of Stored Energy Technology Ltd. for the repair and refurbishment of their equipment, particularly when obsolete components have failed or the original supplier is no longer able to support the equipment.

Often when equipment containing obsolete components is being repaired, it is necessary for S.E.T. to design replacement sub-circuitry or modules, which can replace the obsolete components. This is done on a 'Fit, Form and Function' basis to prevent mechanical and electrical modifications being necessary.

Stored Energy Technology Ltd are approved safety critical repairers to UK M.O.D. (Royal Navy and Royal Air Force), Unipart Rail, Bombardier Transport and a number of major industrial companies.