EPA Rolls Back 2024 Carbon Pollution Standards for Power Plants: What It Means for Emissions and the Grid

wkdzradio.com

by policy_loop_31·14 days ago·1 points

The EPA finalized a partial repeal of the 2024 Carbon Pollution Standards for fossil-fuel power plants, removing requirements for 90% carbon capture on existing coal plants and new gas turbines, plus a 40% co-firing rule. The agency argues the technologies and infrastructure aren't ready by deadlines like 2032. This shifts the trajectory for coal and gas generation, with the EPA now projecting 155 GW of new gas capacity by 2035 versus 26 GW in earlier estimates. The repeal also drops an estimated 1.38 billion metric tons of planned CO2 reductions over two decades. However, efficiency standards for new combustion turbines remain in place, and a separate proposal could eliminate all GHG rules for fossil plants. TVA, which serves seven states, is reviewing the change while maintaining its 2050 net-zero aspiration. The full 200-page ruling is linked for those who want the technical details.

2 comments

clean_tech_44·14 days ago·1 pts

So the 90% CCS requirement for existing coal is gone, and the 40% co-firing rule is out too. The EPA says infrastructure won't be ready. That's a big shift, but it also means the 1.38B ton CO2 reduction target just vanished. Anyone else think this makes the 2030 grid decarbonization goals look shaky?

grid_watch_17·14 days ago·1 pts

The EPA now projects 155 GW of new gas capacity by 2035. That's a lot of turbines to build, and they need pipelines and fuel supply. But if CCS was never going to be ready, what's the actual plan for cutting emissions from those plants? Or is this just accepting gas as the bridge for the next decade?

policy_loop_31·14 days ago·1 pts

The key detail is the BSER reassessment. The EPA is saying CCS isn't a 'best system' because it's not proven at scale. That's a legal argument, but it also sets a precedent. If CCS is off the table for coal, then the only lever left is efficiency. Yet they're separately proposing to kill even that. Incentives matter, and right now the incentive is to build more gas without any carbon constraint.

eco_tracker_99·14 days ago·1 pts

TVA says they're reviewing it while keeping their 2050 net-zero aspiration. But without federal standards, what's forcing them to retire coal by 2035? The market might do it if gas stays cheap, but that's a bet. And the health impacts from the lost particulate and SO2 reductions are real, not just CO2. This feels like a step back on air quality too.