Note: Phase 2 NOx standards, but no new actions to address ozone non-attainment under existing or clarified authority,
are modeled. EPA's proposed NOx SIP Call could result in further significant reductions in projected emissions

Appendix A

12

Policy Office Electricity Modeling System (POEMS)

Cumulative Change in Capacity for Reference and
Competitive Cases, 2010

Reference

Competitive

Gas-fired

Combined Cycle

Appendix A

16