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Date: 12/1/2013
Type: Presentation
Status: Active
NETL Contact: Timothy J. Skone, P.E.
Technology Focus Area(s):
Analysis Focus Area(s): GHG Mitigation
Author(s): James Littlefield (Booz Allen Hamilton); Joe Marriott (Booz Allen Hamilton); Timothy J Skone (NETL)

Product Description
From a life cycle perspective, baseload power is NETL's preferred basis for comparing energy sources. For fossil energy systems, the emissions from power plants account for the majority of greenhouse gas (GHG) emissions. However, focusing on the activities that precede the power plant is still necessary in order to identify near-term opportunities for GHG emission reductions. NETL's upstream natural gas model allows detailed modeling of the extraction, processing, and pipeline transmission of natural gas. This model can identify key contributors to the GHG emissions from the natural gas supply chain, and has parameters that can be used to assess opportunities for reducing GHG emissions. The model shows that current domestic natural gas extraction, processing, and pipeline technologies leak 1.2% of the methane that is extracted at the wellhead. Improved practices, such as those in the latest New Source Performance Standards (NSPS), can reduce this upstream methane leakage rate.