A new decade is bringing new challenges for US power markets. The renewables buildout continues to disrupt the market in ways never seen before, mild winter weather and very weak natural gas prices have depressed power prices, and the PG&E situation is ever evolving. Kassia Micek, Mark Watson and Jeff Ryser of the Platts Americas Power Team look at the biggest stories across the US power market and what it all means for the coming months and years.