You can find governmental information on the following web sites: http://www.mern.gouv.qc.ca/energie/index.jsp, http://www.efficaciteenergetique.gouv.qc.ca and http://www.regie-energie.qc.ca/ which all have an English versions (see upper right corner).
Finally, Natural Resources Canada also has a useful web site (http://www.nrcan.gc.ca/) a part of which is dedicated to energy.