[Manuel_D]

A lot of renewables have intermittent generation. If daytime electricity demand is already saturated, adding more solar panels increases capacity but doesn't increase generation (or to be more specific, it doesn't increase generation that actually fulfills demand).

[ziga]

Unless you add battery storage, which is increasingly the case:

https://pv-magazine-usa.com/2026/02/25/solar-and-storage-to-...

[nxm]

Adding battery storage is very costly, and batteries degrade with each cycle.