Multiple people have now explained you are in error here. I expect you will not repeat this falsehood going forward.

Installed costs for residential battery storage typically range from $800-1,200/kWh in the US market as of 2024-2025.

ROI for 24/7 solar+battery is negative in almost all residential cases using current technology and prices.

Unless you are proposing the laws of physics are different in the US, this is just a matter of market friction and blockages from regulations and tariffs. You know, the sort of things nuclear bros dismiss with a wave of their hand?