(a) It takes several years to plan a project and then build it. So, this decision was made years ago, not "today".
(b) Battery prices (and pricing for the balance of the system) have dropped pretty rapidly, I'm not sure why you're claiming otherwise. There have been recent years where these systems have dropped in price by ~25%[1]. That's not insignificant.
(b) Battery prices (and pricing for the balance of the system) have dropped pretty rapidly, I'm not sure why you're claiming otherwise. There have been recent years where these systems have dropped in price by ~25%[1]. That's not insignificant.
[1] https://www.utilitydive.com/news/not-so-fast-battery-prices-...