LIVE UPDATES: Millions of Texans without electricity during winter storm, rotating power outages could now last for 'hours'

This story is available as part of a content partnership with WFAA-TV. For more local news, visit WFAA.com. Rolling power outages are in effect across the state of Texas as officials work to conserve as much electricity as possible during extreme cold and record demand on the grid. Officials say they are "necessary to maintain the reliability of the system." Officials are asking Texans to conserve as much electricity as they can safely and reliably over the coming days as record-low temperatures…