Hi Matthew, thanks so much for the thoughtful reply. I’m sure the team at Founder’s Pledge will have some comments on this, as they have gone a lot deeper into the model for 45Q, but I’ll drop a few thoughts here.
I think that a lot of your comments have validity, and underline why 45Q is controversial among environmental groups. In theory it could keep old coal plants alive, and could give old oil fields a new lease on live through EOR.
Truthfully though, I don’t think it’s realistic that 45Q keeps a significant amount of coal plants alive. Like you mentioned, CCS for coal plants has never worked and I don’t think many people realistically see it working anytime soon. The unit economics of coal are only getting worse, and CCS/45Q are not going to save them.
The reason why CCS is an exciting technology is not for power plants (which, as you correctly note, can be much more efficiently replaced with carbon-free energy sources), but for use in the future for hard-to-abate sectors like heavy industry (concrete, chemicals, etc). Investments like 45Q are a means to an end- a way to incentive R+D in the hope that this becomes a viable technology down the road when we really need it.
I see you have some skepticism on the learning curve estimates, which is quite reasonable. It’s very hard to predict the speed of innovation, and I think smart people disagree on whether CCS will ever become viable at scale, and if so how long it will take. Therefore we should all have really wide bounds on the cost-effectiveness estimates of something like 45Q, and yes there’s probably some part of the distribution that is negative.
But CCS is such an important potential technology in the broad scheme of things, and I believe strongly that it is deserving of huge amounts of investment. 45Q is a politically feasible way to leverage government funds to do this. From my perspective, it is absolutely worth it to get this investment, even if it means in the short terms that a few oil fields hang on a little longer than they could have. The long-term payouts in expectation are just too large to ignore.
Hi Max, thanks for your comment. We quickly looked into CCL in 2020, and wrote up a “shallow dive” here. While we support the carbon tax push of CCL in theory, our assessment is that there is currently no clear pathway to passage of such a provision as it’s not supported by either party. We therefore decided not to pursue further research into CCL at that point, but are open to revisiting them in the future.
I don’t agree that a carbon pricing is the only way to reach our climate goals- my view is that reductions can alternatively be reached through regulations, and this is a more realistic path forward given political headwinds in the US. At least this seems to be the case for the foreseeable future.