Electric Utility Steam Generating Units (Boilers): New Source Performance Standards
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Rule Summary
Fossil fuel-fired electric utility steam generating units are boilers that are capable of combusting over 250 MMBtu/h of fossil fuel and that was constructed for the purpose of supplying more than one-third of its potential electric output capacity and more than 25 MW electrical output to any utility power distribution system for sale. The New Source Performance Standards (NSPS) for fossil fuel-fired electric utility steam generating units are outlined in the Code of Federal Regulations under 40 CFR Part 60 Subpart Da. Subpart Da covers fossil fuel-fired electric utility steam generating units that commenced constructed after September 18, 1978. The key pollutants EPA regulates from these sources includes particulate matter (PM), nitrogen oxides (NOx), and sulfur dioxide (SO2).
Rule History
02/17/2015 - Proposed Rule
06/25/2013 - Reopening of Comment Period
04/24/2013 - Notice of Final Action on Reconsideration
12/12/2012 - Extension of Public Comment Period
11/30/2012 - Proposed Rules
04/19/2012 - Final rule; correction
02/16/2012 - Final rule
05/03/2011 - Proposed Rule
01/20/2011 - Direct Final Rule & Proposed Rule
07/01/2011 - Proposed Rule
06/13/2007 - Final rule
03/06/2007 - Extension of public comment period
02/09/2007 - Proposed rule
02/27/2006 - Final rule
02/28/2005 - Proposed rule
08/14/2011 - Removal of Modification
06/11/2011 - Partial Withdrawal of Direct Final Rule
04/10/2001 - Proposed Rule & Direct Final Rule
09/16/1998 - Final rule
07/09/1997 - Proposed rule
06/11/1979 - Final Rule
09/19/1978 - Proposed Rule
Additional Resources
View the supporting documents for the rulemakings from 2005 to 2011 docket folder to find additional related documents to these rules.
View the supporting documents for the rulemakings from 2011 to 2015 in the docket folder to find additional related documents to these rules.