Yep! focussed light anything is a hassle really-- mirrors have to be maintained and positioned. For anything larger than a family, mirrors have to be unrealistically large..

There was a concentrated light power station in north of Vegas, but it bankrupted the company that built it. They didn't think about storage at the time

https://en.wikipedia.org/wiki/Crescent_Dunes_Solar_Energy_Pr...

>As of 2023, it is operated by its new owner, Vinci SA, and in a new contract with NV Energy, it now supplies solar energy _at night only_, drawing on [molten salt] thermal energy stored each day.