The increase in retail rates come as companies prepare for surging prices in the wholesale electricity markets where they buy their power. Forecasts of higher than normal temperatures and record power demand are coinciding with the shutdown of at least three coal-fired plants, leading to concerns that temporary shortages on the hottest summer days could send wholesale prices, which typically average less than $50 per megawatt hour, spiking to $3,000 per megawatt hour or higher. (A megawatt hour is 1,000 kilowatt hours.)
2013 On March 14, CenterPoint Energy announced it was teaming up with ArcLight Capital Partners LLC and Oklahoma City-based OGE Energy Corp. (NYSE: OGE) in an $11 billion deal to create one of the largest master limited partnerships in the U.S. The joint venture includes OGE Energy and ArcLight's midstream transportation, gathering and processing business, Enogex LLC, and all of CenterPoint Energy's interstate pipelines and field service businesses. ArcLight Capital Partners is a Boston-based energy investment firm.