This lesson is self explanatory and was included as an example of how to fulfill the Science to Technology, Society, and the Environment, component of the Ministry guidelines.

Electricity is made from many different energy resources, including non-renewable and renewable sources.  Check out this link from the Ontario Power Authority,
The Ins and Outs of Making Electricity

L'électricité est produite à partir d’une gamme de resources, certaines
renouvelables et d’autres non-renouvelables.Consultez ce lien de l'Office de l'Électricité de l'Ontario La fabrication de l'électricité