Yes that's sound weird but this is to make sure gas peaker plants which by definition run only a fraction of time can be profitable and be built.
however the market participants have "adapted" to it
https://www.theguardian.com/business/2025/jan/08/two-power-s...
it works pretty well on a short-term basis but due to the way the system works there's no ability to price-in a long term signal
the government is currently consulting on a changes to introduce this mechanism (as is the EU)
Give those constraints, of course they must be expensive if they are to exist at all.
Do I misunderstand anything?