Regional Haze
Texas SO2 Trading Program
EPA’s Regional Haze Program was created to improve visibility in national parks and wilderness areas. A number of states use participation in EPA’s Cross-State Air Pollution Rule (CSAPR) trading programs to satisfy some of the Regional Haze Rule’s requirements.
- 2020 denial of petition to reconsider 2017 final affirmation
- 2017 final affirmation of determination that CSAPR qualifies as a BART alternative
- 2016 proposed affirmation of determination that CSAPR qualifies as a BART alternative
- 2012 final action authorizing use of CSAPR as a BART alternative
- 2011 proposal to authorize use of CSAPR as a BART alternative
In 2017, EPA finalized the Texas SO2 Trading Program to address certain requirements under the Regional Haze Rule specifically for electricity generating units in Texas.
- 2020 final action amending and affirming Texas SO2 Trading Program
- 2019 supplemental proposal to affirm Texas SO2 Trading Program
- 2018 proposal to affirm Texas SO2 Trading Program
- 2017 final action establishing Texas SO2 Trading Program
Allocations of allowances from the Texas SO2 Trading Program Supplemental Allowance Pool
Under the Texas SO2 Trading Program regulations, some sources may qualify for allocations from a Supplemental Allowance Pool for a given program year. The spreadsheet below shows the Supplemental Allowance Pool allocations for 2019.