alt Hacker News"ideological subsidies" for this administration means any policy supporting non-thermal and non-battery (to a lesser extent, although their lobby has pretty successfully extracted them from previous renewable associations they relied on) generating units.
To get more specific, you could say everything rolled back from the IRA as part of the BBB.
If it's just BBB they're referring to then I would call that a political talking point since that doesn't seem directly related to this deal.
Unless the subsidies being repealed explains why TotalEnergies seems happy to get out of the lease now even though they presumably thought it was a good deal for them back when they originally agreed to it. If that's true though then I don't know why neither the article nor the press release say anything about it other than in this vague allusion.