APCA Research - Market Penetration Study

October 2025 APCA MARKET PENETRATION RESEARCH www.ContinuumCapital.net Transmission New Construction Mileage Gas transmission is volatile due to long-haul activity – there is a baseline of routine short-haul and station work. New mileage activity peaked in 2002, 2006-2011, and again in 2017-2018 – trending down over entire timeline. Construction timing versus reporting timing results in mileage being constructed 1-2 years before it is reported. 68 Source: Propriety Continuum analysis of PHMSA raw data. 0 500 1,000 1,500 2,000 2,500 3,000 3,500 4,000 4,500 5,000 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 New Transmission Mileage Gas Transmission

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