An outage started just after 8 p.m. and rippled throughout the valley, stretching east of McCarran International Airport and out into the Lake Las Vegas community, according to the agency's website. As of 9 p.m. NV Energy listed the outage's cause as "under investigation" but estimated power would be back on at 11 p.m. The below comment section contains thoughts and opinions from users that in no way represent the views of the Las Vegas Review-Journal.