Table 3. Sensitivity Cases
|
Case Name |
Electric Power Sector Emission Caps |
Compliance Date/Other |
RPS Requirement |
|||
|---|---|---|---|---|---|---|
|
NOx |
SO2 |
CO2 |
Hg |
|||
|
Hg 20-Ton |
CAAA90 standards and NOx SIP Call |
CAAA90 cap |
None |
60% below 1997 level |
Meet target by 2008 |
Current State programs |
|
Hg 5-Ton Recycle |
CAAA90 standards and NOx SIP Call |
CAAA90 cap |
None |
90% below 1997 level |
Meet target by 2008; assumes technology developed to recycle 90% of activated carbon |
Current State programs |
|
Hg MACT 90% |
CAAA90 standards and NOx SIP Call |
CAAA90 cap |
None |
90% removal for all plants, no trading system |
Meet target by 2008 |
Current State programs |
|
RPS 10% |
CAAA90 standards and NOx SIP Call |
CAAA90 cap |
None |
None |
CAAA90 |
2.5% 2005, 5% 2010, 10% 2020 |
|
Integrated Moderate Targets |
CAAA90 standards and NOx SIP Call |
50% below 1997 level |
7% above 1990 level |
70% below 1997 level |
Start 2002; meet NOx/SO2 targets by 2008; CO2 1990 level by 2008, 7% above 1990 level in 2008-2012;a Hg 2008 |
2.5% 2005, 5% 2010, 10% 2020 |
|
Integrated Cost of Service |
75% below 1997 level |
75% below 1997 level |
7% below 1990 level |
90% below 1997 level |
Start 2002; meet NOx/SO2 targets by 2008; CO2 1990 level by 2008, 7% below 1990 level in 2008-2012;a Hg 2008; assumes allowances have zero cost basis in cost-of-service regions |
Current State programs |
|
Integrated High Gas Price |
75% below 1997 level |
75% below 1997 level |
7% below 1990 level |
90% below 1997 level |
Start 2002; meet NOx/SO2 targets by 2008; CO2 1990 level by 2008, 7% below 1990 level in 2008- 2012;a Hg 2008; assumes slower improvement in technologies for finding, developing and delivering natural gas. |
Current State programs |
|
aThe CO2 emission cap remains at the 1990-7% level from 2012 through 2020. Notes: CAAA90 cap refers to 8.95 million ton SO2 cap established in Title IV of the Clean Air Act Amendments of 1990 (CAAA90). CAAA90 standards refers to the boiler emission standards for NOx established in Title V of the CAAA90. NOx SIP Call refers to the 19-State summer season cap on NOx emissions to begin in 2004. Integrated refers to combinations of emissions caps and/or an RPS. Source: See requesting letters in Appendix A for specific cases requested by the Subcommittee. |
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