Ir. Shan is active in renewable energy particularly mini hydro, solar and biogas both preliminary and implementation stage which include resources assessment and feasibility studies. In addition to that, he is also involved in project execution, preparation of detailed designs, tender documents and processes as well as monitoring projects. Currently, he is also the President pro-tem for the newly set-up Malaysian Small Hydro Industry Association (‘MASHIA’). MASHIA is a professional association promoting the development of small hydro power schemes in Malaysia.