You may be interested that Porsche basically dumped that project recently, though it didn't get a lot of media attention.

The current Haru Oni plant is a really tiny pilot plant, but it always came with the promise that it'd be scaled up by many orders of magnitude. Der Spiegel recently reported that the plan to build a large wind farm to power the next stage has been cancelled: https://www.spiegel.de/auto/volkswagen-vw-boss-oliver-blume-... (sorry, paywalled, but I don't have another source)