Southwest Gas Holdings, Inc.

What they do

Southwest Gas purchases, distributes, and transports natural gas to over 2.2 million residential, commercial, and industrial customers in Arizona, Nevada, and California. It also operates two regulated interstate pipelines, including Great Basin, serving portions of Nevada and California. The utility is subject to rate regulation by state commissions (ACC, PUCN, CPUC) and FERC.

Revenue drivers

• Residential and small commercial customers — Account for over 99% of the customer base and 85% of operating margin (Regulated operations revenues less net cost of gas sold).
• Transportation customers — Represent 41% of total system throughput in 2025 but only 11% of operating margin; they provide customer-secured gas transport.
• Other sales customers — Commercial and industrial sales contribute 4% of operating margin.
• Geographic mix — In 2025, 53% of operating margin was earned in Arizona, 35% in Nevada, and 12% in California.

Recent performance

For Q2 2026, the company reported net income of $42.1 million, or $0.58 diluted EPS, compared to a net loss of $40.2 million ($-0.56 EPS) in Q2 2025. Six-month 2026 net income was $180.5 million ($2.49 EPS) versus $73.7 million ($1.02 EPS) a year earlier. The company delivered an 8.1% twelve-month-ended utility ROE and reaffirmed full-year 2026 guidance. In 2025, annual net income was $439.8 million on diluted EPS of $6.08, with operating cash flow of $556.1 million. The latest balance sheet (June 30, 2026) shows total assets of $10.48 billion, shareholder equity of $4.13 billion, and long-term debt of $3.41 billion.

Strategy

Management is executing a portfolio simplification, having divested Centuri (deconsolidated August 2025, sold remaining shares September 2025) to focus solely on the natural gas distribution utility. They are advancing rate cases in all three states, including a constructive California decision on non-cost-of-capital items, with a final cost-of-capital decision expected in August. The company is pursuing the Great Basin 2028 Expansion Project, which has secured binding commitments for roughly 1 billion cubic feet per day, and now expects $270-300 million annual margin and approximately $2.3 billion in capital investment once in service. They emphasize infrastructure investment recovery, regulatory alignment, and maintaining a strong balance sheet.

Risks

• Regulatory and rate relief risk — The timing and amount of rate relief from state commissions materially impact results; adverse decisions could reduce earnings.
• Interstate pipeline dependency — Reliance on interstate pipeline capacity means interruptions, physical constraints, or cyber attacks could disrupt gas supply and reduce cash flows, especially during winter.
• Seasonality and weather variability — Demand is seasonal with higher winter usage; although decoupled rate structures mitigate weather impact, extreme conditions or conservation could still affect margins.
• Natural gas cost recovery — Differences between actual gas costs and customer rates create deferred balances; under-recovery cash flow or timing may affect liquidity.

Outlook

Management reaffirmed full-year 2026 guidance and expects continued progress on regulatory cases in all three states. They project the Great Basin expansion to drive additional capital investment and revenue, with contracted demand for the initial phase already secured and 1.8 Bcf of expressions of interest for future phases (2029-2035). The company remains focused on executing growth and regulatory priorities to create long-term value.