SUGAR LAND--April 11, 2016--Researched by Industrial Info Resources (Sugar Land, Texas)--Planned maintenance outages are a fact of life for power plants, where a lot of money is spent to keep the lights on, among other things. Industrial Info is tracking no less than $807.6 million in U.S. power maintenance projects for the quarterly period that began on April 1. Within this article: Details of power plant outages by Exelon Corporation (NYSE:EXC), Duke Energy Corporation (NYSE:DUK), PG&E Corporation (NYSE:PCG) and others.