Something wind has been doing for while by increasing their rotor size relative to the generator rating (rotor-to-rating ratio). Happening now in solar where the DC/AC ratios keeps on increasing.
Curtailment is good.
(in the right proportion)
It is unreasonable to expect any power plant to be able to sell 100% of the electricity that it possibly could have produced, especially at high penetrations.
No amount of storage or flexible demand is going to eliminate curtailment. We curtail solar before it even gets to the grid.
In order to have zero curtailment, you have to spend way more money on everything else in the system. You will get more solar power by spending more on panels and curtailing some at peak production, than by overspending on inverters and grid capacity and batteries and electrolyzers and everything else needed to take curtailment to zero.
It is not wasteful to curtail solar.
It's wasteful to never even capture it in the first place.
The sunlight we waste on parking spaces could generate as much electricity as all other sources combined. Rooftops could generate a comparable amount again.
You could curtail 25% of the output of a modern panel, and it would still generate more electricity per square meter than a panel from 10 years ago with "zero" curtailment.
Especially in a world where panels are cheap, minimizing curtailment is a bad goal. You want to maximize the value produced for the amount of capital you have to spend.
As you add more batteries and flexible load to the system, curtailment goes down, but then the incentive to install more panels goes up. If solar if 50% cheaper than alternatives, we will install solar until the marginal unit is curtailed at 50%.
You will never eliminate curtailment and you shouldn't want to.
Anybody who is bullish on solar should expect curtailment to rise in the future, even if you're super bullish on batteries and flexible demands.
cheap solar -> curtailment
Curtailment is good.