CAIR Clean Air Set-Aside NOx Allowances

The following table shows the available CAIR NOx allowances by category under the Clean Air Set-Aside (CASA) pursuant to 35 Ill. Adm. Code 274.202(a) for each control period. These CAIR CASA NOx allowances may be requested through a CASA application pursuant to 35 Ill. Adm. Code 225.470 and 225.570 for annual and seasonal control periods, respectively.

If you have any questions, please contact Jackie Sims at 217-782-9333.

CAIR CASA NOx Allowances
 AnnualOzone
 Phase I
2009-2014
Phase II
2015 and after
Phase I
2009-2014
Phase II
2015 and after
Energy Efficiency and Conservation/Renewable Energy9149762536843479
Air Pollution Control Equipment Upgrades3811317515351448
Clean Coal Technology4573381018421738
Early Adopters15251271614580
  • CAIR CASA applications are due May 1st each year;
  • Draft CAIR CASA allocations are determined September 1st
  • Final CAIR CASA distribution is reported to USEPA on October 1st