It is very easily storable, and in energy markets that are driven by free markets (rather than utility biases or legislative mandates), storage is one of the biggest investments on the grid:

> Installed battery capacity increased from 153 MW in 2019 to 3,518 MW in 2023. Interconnection agreements have been signed for an additional 7,945 MW of battery storage through 2024, allowing batteries to play a growing role in daily power needs in the near future.

https://www.dallasfed.org/research/economics/2023/1017