Amount of Chassidim who would base their decision of moving here based on any of this: zero.
Your premise is flawed from the get-go.
That's unfortunate for them, it's less about how many will move vs how many will stay.
Look at Saudi Arabia, the way they plan their crazy city.
It remains to be seen what happens there, but if you're building in 2022, think like 2022.
You really need to think like 2024 which is when people move in.
$300 a month is the average electric bill from people I know , assuming these houses are built with full energy efficiency you'd be lowering but assuming NY people will keep AC on lower.
Pool is gonna add
Many cities now use solar power to power street lights.
https://www.chabad.org/library/article_cdo/aid/865890/jewish/Solar-Energy.htmElectric power lines are an outdated system.
You're more likely as stated, to have your lines knocked down by a storm, than not have sunshine etc
I remember 1 week maybe 2 years ago in the summer, it was cloudy all week .. ok
Anyways, I really don't give 2 craps, walk to shul in the scorching heat do what you want.