Use a flashlight for emergency lighting. Never use candles due to the risk of fire.
Turn off electrical equipment you were using when the power went out. Leave one light on so that you know when the power is back.
Avoid opening refrigerators or freezers. Eliminate unnecessary travel, especially by car. Traffic signals will stop working during a power outage.
Listen to a portable radio or navigate your cell phone browser to http://m.broadcastify.com/?feedId=6248. Use landlines for emergencies only.