1 a.m. Wednesday: Putting out a call for power grid help
While many Minnesotans were still asleep Wednesday, a behind-the-scenes crew made sure people had enough power to turn on lights, make coffee and flip on their TV.
At a building in Eagan, staff with Midcontinent Independent System Operator (MISO) scrutinized the power being consumed versus what was available across a 15-state portion of the North American electrical grid. MISO is one of several regional entities that coordinate how power flows across the grid.
A cold snap can elevate electricity demand due to electric heating elements and furnaces frequently booting up.
Demand was coming in slightly ahead of the forecast overnight, with power plants across MISO's network experiencing more outages than expected. About 1 a.m., staff in several states called in emergency help. MISO declared a "maximum generation event," stirring to life idle power plants from Minnesota to Louisiana to meet demand.
3 a.m.: Cows do well as farmer fights cold
Brian Pieper rolled out of bed in New Prague, Minn., put on two pairs of longjohns, an underwear shirt, a sweatshirt, a pair of insulated bib overalls and a jacket and two pairs of gloves.
He grabbed a Mountain Dew and a few granola bars and jumped in his truck. By 3:15, he was at his family dairy farm outside town, where he and his siblings milk 420 cows twice a day.
The temperature: 30 below, with a minus-57 windchill.
The cows do fine in this weather, he said. Their body heat keeps the unheated barn about 30 degrees warmer than the temperature outside, and their winter coats are thick. He's more worried about next week, when temperatures are expected to soar above freezing.