For final NIF and ORL formated inventories, please contact Julie McDill at This email address is being protected from spambots. You need JavaScript enabled to view it.

Projection Inventory Technical Support Document - Version 2

The TSD explains the data sources, methods, responses to stakeholder comments, and results for preparing the 2013, 2017, and 2020 emission inventories for Area, Non-EGU, and Nonroad Sources in the Northeast and Mid-Atlantic/Northeast region.

 Technical Support Documentation  pdficon_small

Non-EGU Point Source Projection Inventories - Version 2

For more information on the development of the non-EGU projection inventories, please review the Technical Support Document.

Area Source Projection Inventories - Version 2

For more information on the development of the area source projection inventories, please review the Technical Support Document.

Nonroad Mobile Projection Inventories (NMIM Model Sources) - Version 2

For more information on the development of the nonroad mobile projection inventories, please review the Technical Support Document.

Marine, Aircraft, Rail (MAR) Projection Inventories - Version 2

For more information on the development of the MAR projection inventories, please review the Technical Support Document.

EGU Point Source Projection Inventories - Version 2

Future Year EGU Emissions are not availible at this time.  EGU emissions are being projected by the ERTAC Model.

The Eastern Regional Technical Advisory Committee (ERTAC) is developing a model to predict growth in emissions from electrical generating units (EGU).  This is a collaborative effort among the Northeastern, Mid-Atlantic, Southeastern, and Lake Michigan area states, industry representatives, and regional planning organization (RPO) representatives.  Previously the Integrated Planning Model (IPM) was used to estimate future EGU emissions.  States found it difficult to account for model results that seemed contrary to other available information.  Due to these issues, state and RPO staff are developing an alternative to IPM for future year CAMD EGU data projections, and the ERTAC Growth Committee was formed to develop this alternative methodology for forecasting activity in the CAMD EGU sector.  The results from this alternative methodology should be easy to compare to CAMD unit emissions data, easy to understand, well-documented, and flexible.  The inventories must account for fuel-specific generation trends and constraints for at least a 20 year projection period.  Unit operations may not be grown past the installed capacity limits, and operational reserve requirements must be respected on a regional basis.  The results must be robust enough to enable emission reduction strategy policy assessments. 

In December 2010 MARAMA contracted assistance to write the software to implement growth and control projections for the existing Electric Generating Unit (EGU) fleet for all facilities in the lower 48 states.  When finished, this software may be used by states, multi-jurisdictional organizations (MJOs), and potentially other organizations to estimate EGU activity and emissions.  A draft software design document has been received from the contractor and is under review.

In February 2011 the ERTAC committee circulated EGU input data to contacts in every state and held a series of teleconferences to explain the data.  As of March 14, 2011, responses have been received from the following states: KS, NH, MN, PA, CO, IA, IL, MD, ND, OR, RI, WA, DE, FL, SC, GA, MO, VA, OH, MI, AR (no changes), DC, NY, OK, TX, WV, KY (Louisville only), CT.  Review of those responses is underway.