[Update: Germany Stops Fighting Arithmetic and Ramps Up Construction of Economically Sensible Power Generation]
Two years ago we looked at the claim that wind generation can save money for power pool customers. We found that the supposed savings could be realized only if the elephant in the room – the above-market feed-in tariffs – were ignored.
In other words, the total amount spent on electricity purchases from a power pool was augmented by the additional amounts consumers pay to fund the feed-in-tariff (FIT). As long as wind generators can bid a low price but receive the higher FIT, then they have an incentive to underbid, thereby reducing pool prices, but not overall costs.
In addition, we looked at what an economically least cost system might look like in Germany over the next ten years. …