Glad they are building the projects. However, the idea of developing electricity projects, without concern for fairness in a regulated energy market, is bothersome. Dominion Energy gives them opportunities (Walmart, Google, etc as well) to play mini independent merchant generator that it doesn't give others. Heck, it then probably resells that power to Dominion customers with a green premium to how it nets out AWS electricity bills.
Also, if you really want to act like you've got a big brain in there AMZN, then you need to match the daily shape of this power production to the shape of your demand. Not just be a contributor to the shape mismatch problem.