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<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/incremental-common-shares-attributable-to-share-based-payment-arrangements</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/insider-transactions-preferred</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/insider-transactions-stock-options</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/insider-transactions-stock-units</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/interest-expense</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/interest-expense-on-debt</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/interest-income-expense-net</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/interest-income-other</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/interest-paid-net</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/interest-payable-current</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/interest-rate-cash-flow-hedge-gain-loss-to-be-reclassified-during-next-12-months-net</loc></url>
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<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/life-insurance-corporate-or-bank-owned-change-in-value</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/line-of-credit-facility-amount-outstanding</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/line-of-credit-facility-current-borrowing-capacity</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/line-of-credit-facility-interest-rate</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/line-of-credit-facility-maximum-amount-outstanding</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/line-of-credit-facility-maximum-borrowing-capacity</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/long-term-debt</loc></url>
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<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/minority-interest-increase-from-stock-issuance</loc></url>
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<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/net-income-loss-including-portion-attributable-to-nonredeemable-noncontrolling-interest</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/net-regulatory-assets</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/non-hedging-derivatives-asset-at-fair-value</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/non-hedging-derivatives-liability-at-fair-value</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/noncurrent-assets</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/number-of-businesses-acquired</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/number-of-operating-segments</loc></url>
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<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/oci-before-tax</loc></url>
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<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/oci-foreign-currency-transaction-and-translation-adjustment-before-tax-portion-attributable-to-noncontrolling-interest</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/oci-foreign-currency-transaction-and-translation-adjustment-net-of-tax</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/oci-foreign-currency-transaction-and-translation-adjustment-net-of-tax-2</loc></url>
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<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/oci-foreign-currency-transaction-and-translation-gain-loss-arising-net-of-tax</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/oci-foreign-currency-transaction-and-translation-gain-loss-before-reclassification-and-tax</loc></url>
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<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/oci-foreign-currency-translation-adjustment-tax-2</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/oci-foreign-currency-translation-adjustment-tax-portion-attributable-to-noncontrolling-interest</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/oci-foreign-currency-translation-gain-loss-arising-tax</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/oci-net-of-tax</loc></url>
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<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/oci-pension-and-other-postretirement-benefit-plans-adjustment-before-tax</loc></url>
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<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/operating-cash-flow</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/operating-income</loc></url>
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<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/operating-leases-rent-expense-net</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/operating-loss-carryforwards</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/other-accrued-liabilities-noncurrent</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/other-current-liabilities</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/other-deferred-credits-noncurrent</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/other-derivatives-not-designated-as-hedging-instruments-assets-at-fair-value</loc></url>
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<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/other-derivatives-not-designated-as-hedging-instruments-liabilities-at-fair-value</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/other-income</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/other-noncurrent-assets</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/other-noncurrent-liabilities</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/other-nonoperating-income-expense</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/other-receivables</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/other-significant-noncash-transaction-value-of-consideration-given</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/outstanding-bonds</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/outstanding-bonds-matured</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/payments-for-derivative-instrument-investing-activities</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/payments-of-dividends-minority-interest</loc></url>
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<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/payments-to-minority-shareholders</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/prepaid-expense-and-other-assets-current</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/pretax-income</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/pretax-income-minority-interest-and-income-loss-from-equity-method-investments</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/proceeds-from-derivative-instrument-investing-activities</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/proceeds-from-issuance-of-trust-preferred-securities</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/proceeds-from-payments-for-other-financing-activities</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/proceeds-from-repayments-of-lines-of-credit</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/proceeds-from-repayments-of-short-term-debt</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/proceeds-from-stock-issued</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/profit-loss</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/property-plant-and-equipment-other-net</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/public-float</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/public-utilities-allowance-for-funds-used-during-construction-additions</loc></url>
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<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/public-utilities-allowance-for-funds-used-during-construction-capitalized-interest</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/public-utilities-allowance-for-funds-used-during-construction-rate</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/public-utilities-property-plant-and-equipment-accumulated-depreciation</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/public-utilities-property-plant-and-equipment-amount-of-acquisition-adjustments</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/public-utilities-property-plant-and-equipment-amount-of-acquisition-adjustments-1</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/public-utilities-property-plant-and-equipment-construction-work-in-progress</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/public-utilities-property-plant-and-equipment-disclosure-of-composite-depreciation-rate-for-plants-in-service</loc></url>
<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/public-utilities-property-plant-and-equipment-net</loc></url>
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<url><loc>https://stock.noler.com/us/stock/southwest-gas-corp/redeemable-noncontrolling-interest-equity-carrying-amount</loc></url>
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