Tucson Electric Power's Outage Center is full of tools that are helpful if your power goes out. You can use TEP's outage map to see how big the area affected is, how many other customers are out of power, why the power is out, and how long until it will be restored. You'll be glad you already have a link to the TEP Outage Map saved on your smartphone when the lights go out! You can also follow TEP on Twitter to get regular updates. Check it out at the link below.
TEP has published an e-book that contains advice on preparing for monsoon storms and the potential power issues, inlcuding outages, that they bring with them. Download this below in PDF format:
And finally, take a look at this video from FEMA on preparing for power outages: