Digging into NextEra’s decision to close Duane Arnold Energy Center
…hough NextEra is one of the primary owners of that new wind energy, Warren Buffett’s MidAmerican Energy is another major player. In 2016, it announced that it would be investing $3.6 billion in new wind projects in order to maximize its harvest of production tax credits before eligibility expired. Duane Arnold, a mature nuclear plant that reliably produces 615 MWe of emission-free electricity, is apparently considered to be a grid block that is in…