Question · Q4 2025
Eli Joseph inquired about the post-Great Basin in-service earnings contribution on a run-rate basis, specifically for 2030, and sought clarification on the language regarding rate case outcomes being in line with historical experience, asking if formula rate adjustments would be incremental to the percentage of ask.
Answer
Jay Foer, Senior Vice President and Chief Financial Officer and Treasurer, pointed to the expected $215 million-$245 million annual margin from Great Basin, fully contributing in 2029 and 2030, supported by 20-year transportation service agreements. Justin Brown, President of Southwest Gas Corporation, confirmed that the "historical success" language refers to the spread between the company's rate case ask and the received outcome, implying formula rate adjustments would build upon this.
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