This article examines the essence of categorising energy forms and legislative instruments at the international level in an explicit manner in order to identify the causes, challenges and possible ways forward in the energy sector in general and Cameroon in particular. This article focuses on energy forms precisely on renewable energies that are environmentally friendly when compared to fossil fuels. In consequence to this, it should immediately be pointed out that, with the advent of climate change and its diverse negative consequences on man and the environment, it becomes vital to categorise the various forms of energies and spotlight amongst others their merits and pitfalls. This is because the energy sector in any country is vital at every ramification for any significant growth. A fundamental recommendation to this effect is that all states should take on board the utility of energy especially renewable energy in by integrating them in their various national laws.