Matterhorn Express Pipeline continues to ramp natural gas deliveries to the Katy market, flowing over 1.5 Bcf/d recently to interstate systems. Thanks to new data, the market has its first view of the shippers backing the latest Permian pipeline.
Matterhorn had a total of 1.865 Bcf/d of firm capacity under contract with 15 shippers in 4Q24, according to 549D intrastate pipeline data filed with the Federal Energy Regulatory Commission (FERC).
Form 549D is a quarterly report that intrastate pipelines must file with FERC on transportation and contracting activity. Matterhorn began flowing gas on October 1, 2024, so the new filing reveals the first commercial data backing the WhiteWater-led project.
The contracts and usage for the Matterhorn shippers is shown in the figure. Shippers moved a total of 1.25 Bcf/d on Matterhorn in 4Q24, according to the 549D filing.
East Daley Analytics maintains cleaned and updated data sets for 549D and other FERC filings as part of the FERC Products package. Clients can access the 549D contract data for Matterhorn and other intrastate pipelines in the ‘FERC Data’ in the Energy Data Studio portal.
Matterhorn is one of the most anticipated pipeline projects. The 42-inch line to Katy has at least temporarily debottlenecked gas egress out of the Permian Basin and created space for overall commodity supply growth.
Matterhorn volumes have continued to grow in 2025, especially since February, according to interstate pipeline samples EDA tracks. Matterhorn recently posted interstate flows of over 1.5 Bcf/d for 11 straight days, from February 23 to March 5 (see figure). Deliveries to interstate systems in March averaged 1.49 Bcf/d, a new high. The previous high of 1.43 Bcf/d was set in February.
Kinder Morgan’s (KMI) Tennessee Gas and Natural Gas Pipeline (NGPL) systems have received more gas recently from Matterhorn, pacing the new highs. Matterhorn also connects to several intrastate systems in Katy where visibility is limited, so historical volumes are likely higher than our figure shows.
Reach out to East Daley to learn more about the Form 549D and other FERC data in the FERC Products package. – Rob Wilson, CFA and Ian Heming Tickers: KMI.
Get the FERC Intrastate Pipeline Data
Introducing East Daley’s latest data file: FERC 549D Intrastate Contract Data. This new offering delivers contract shipper data for intrastate pipelines — scrubbed and ready to use. Use the 549 data to identify which intrastate pipelines have available capacity, understand pipeline rate structures, gain insights into shippers, and spot contract cliffs and opportunities for higher rate renewals. Reach out to East Daley to learn more.
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