8-K

Southwest Gas Holdings, Inc. (SWX)

8-K 2024-05-14 For: 2024-05-14
View Original
Added on April 04, 2026

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported) May 14, 2024

SOUTHWEST GAS HOLDINGS, INC.

(Exact name of registrant as specified in its charter)

Delaware 001-37976 81-3881866
(State or other jurisdiction of incorporation or organization) (Commission File Number) (I.R.S. Employer Identification No.)

8360 S. Durango Drive

Post Office Box 98510

Las Vegas, Nevada         89193-8510

(Address of principal executive offices)          (Zip Code)

Registrant's telephone number, including area code: (702) 876‑7237

Securities registered pursuant to Section 12(b) of the Act:
Title of each class Trading Symbol Name of each exchange on which registered
Southwest Gas Holdings, Inc. Common Stock, $1 Par Value SWX New York Stock Exchange
Preferred Stock Purchase Rights N/A New York Stock Exchange

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).     Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 7.01        Regulation FD Disclosure.

On May 14, 2024 Southwest Gas Holdings, Inc. (the “Company”) released summary statistical information for each of the ten years in the period ended December 31, 2023. A copy of this information is attached hereto as Exhibit 99.

This Form 8-K and the attached exhibit are provided under Item 7.01 of Form 8-K and are furnished to, but not filed with, the Securities and Exchange Commission.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

SOUTHWEST GAS HOLDINGS, INC.
Date: May 14, 2024 /s/ LORI L. COLVIN
Lori L. Colvin
Vice President/Controller/Chief Accounting Officer

EXHIBIT INDEX

Exhibit

No.        Description

99      Summary statistical information as of December 31, 2023released on May 14, 2024.

Document

NATURAL GAS DISTRIBUTION SEGMENT
RATEMAKING JURISDICTIONS AND REGULATORY AGENCIES
Southwest Gas Corporation (Southwest Gas) is subject to regulation by the Arizona Corporation Commission (ACC), the Public Utilities Commission of Nevada (PUCN), and the California Public Utilities Commission (CPUC). These commissions regulate public utility rates, practices, facilities, and service territories in their respective states.
The Federal Energy Regulatory Commission (FERC) regulates a wholly owned subsidiary of Southwest Gas, Great Basin Gas Transmission Company (Great Basin), and the rates it charges for transportation of gas directly to certain end-users and the transportation and storage of gas to various local distribution companies for resale in northern Nevada and northern California.
Shown below is a list of Southwest Gas' ratemaking jurisdictions and the corresponding regulatory agency having jurisdiction:
Ratemaking Jurisdiction Regulatory Agency
Arizona: Arizona Corporation Commission
1200 West Washington Web site: www.azcc.gov
Phoenix, AZ 85007-2996
(602) 542-4251 FAX: (602) 542-4100
California: California Public Utilities Commission
Northern 505 Van Ness Avenue Web site: www.cpuc.ca.gov
Southern San Francisco, CA 94102-3298
South Lake Tahoe (415) 703-2782 FAX: (415) 703-1758
Nevada: Public Utilities Commission of Nevada
Northern 1150 East William Street Web site: http://puc.nv.gov
Southern Carson City, NV 89701-3109
(775) 684-6101 FAX: (775) 684-6110
Nevada/California: Federal Energy Regulatory Commission
Great Basin 888 First Street, N.E. Web site: www.ferc.gov
Washington, DC 20426
(202) 502-8400 FAX: (202) 208-2268
A list of the commissioners appointed or elected to the various regulatory agencies follows this page.
SUMMARY OF COMMISSIONER STATUS BY JURISDICTION
--- --- --- --- ---
March 2024
ARIZONA
Five members, elected statewide to four-year staggered terms. Governor appoints replacements, if position is vacated.
Chairman Jim O’Connor Rep. Term ends 01/01/2025
Commissioner Kevin Thompson Rep. Term ends 01/01/2027
Commissioner Nick Myers Rep. Term ends 01/01/2027
Commissioner Anna Tovar Dem. Term ends 01/01/2025
Commissioner Lea Márquez Peterson Rep. Term ends 01/01/2025
Executive Director Doug Clark
CALIFORNIA
Five members, appointed to six-year staggered terms by Governor and confirmed by Senate.
President Alice Bushing Reynolds Dem. Term ends 12/31/2026
Commissioner Matthew Baker Dem. Term ends 12/31/2024
Commissioner Darcie Houck Dem. Term ends 12/31/2026
Commissioner John Reynolds Dem. Term ends 12/31/2028
Commissioner Karen Douglas Dem. Term ends 12/31/2028
Executive Director Rachel Peterson
NEVADA
Three members, appointed to four-year staggered terms by Governor; no confirmation required.
Chairwoman Hayley Williamson Dem. Term ends 09/30/2027
Commissioner Tammy Cordova N.P. Term ends 09/30/2024
Commissioner Randy J. Brown Rep. Term ends 09/30/2025
Executive Director Stephanie Mullen
FERC
Up to five members, appointed to five-year staggered terms by President and confirmed by U.S. Senate.
Chairman Willie L. Phillips Dem. Term ends 06/30/2026
Commissioner Allison Clements Dem. Term ends 06/30/2024
Commissioner Mark C. Christie Rep. Term ends 06/30/2025
Acting Secretary Debbie-Anne Reese
NATURAL GAS DISTRIBUTION SEGMENT
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SUMMARY OF KEY REGULATORY FILINGS
ADDITIONAL ADDITIONAL PERCENT OVERALL RATE OF
MARGIN MARGIN AUTHORIZED RATE OF RETURN ON COMMON
TEST FILING EFFECTIVE REQUESTED AUTHORIZED OF REQUESTED RETURN COMMON EQUITY EQUITY
JURISDICTION PERIOD DATE DATE ($mm) ($mm) [2] AMOUNTS GRANTED GRANTED RATIO
NEVADA
Docket No. 20-05028 (SNV) [3] 05/27/19 01/01/21 (1.8) (1.8) 100 6.52 9.25 49.26
Docket No. 21-09034 (SNV) 09/30/21 01/01/22 (1.7) (1.7) 100 6.52 9.25 49.26
Docket No. 21-09034 (NNV) 09/30/21 01/01/22 (0.2) (0.2) 100 6.75 9.25 49.26
Docket No. 21-09001 (SNV) [4] 05/31/21 09/01/21 04/01/22 21.3 12.8 60 6.30 9.40 50.00
Docket No. 21-09001 (NNV) [4] 05/31/21 09/01/21 04/01/22 2.5 1.3 53 6.56 9.40 50.00
Docket No. 22-11017 (SNV) [3] 11/15/22 07/01/23 1.1 1.1 100 6.30 9.40 50.00
Docket No. 23-09012 (SNV) 05/31/23 09/11/23 04/15/24 63.5 50.4 79 7.00 9.50 50.00
Docket No. 23-09012 (NNV) 05/31/23 09/11/23 04/15/24 10.5 8.7 83 7.01 9.50 50.00
ARIZONA
Docket No. G-01551A-16-0107 02/27/19 11/07/19 3.2 0.0 50 7.42 9.50 51.70
Docket No. G-01551A-16-0107 02/27/19 11/07/19 9.5 0.0 30 5.71 9.50 51.70
Docket No. G-01551A-19-0055 01/31/19 05/01/19 01/01/21 80.7 36.8 46 7.03 9.10 51.10
Docket No. G-01551A-19-0055 05/28/21 11/09/21 13.7 13.7 100 7.42 9.50 51.70
Docket No. G-01551A-19-0055 [5] 05/28/21 11/09/21 59.9 59.9 100 5.71 9.50 51.70
Docket No. G-01551A-19-0055 02/28/22 06/01/22 3.4 3.4 100 7.03 9.10 51.10
Docket No. G-01551A-21-0368 08/31/21 12/03/21 02/01/23 90.7 54.3 60 6.73 9.30 50.00
Docket No. G-01551A-21-0368 02/28/23 06/01/23 4.3 4.3 100 6.73 9.30 50.00
Docket No. G-01551A-23-0341 10/31/23 02/02/24 TBD 125.6 TBD TBD TBD TBD TBD
Docket No. G-01551A-21-0368 02/28/24 TBD 1.8 TBD TBD 6.73 9.30 50.00
CALIFORNIA
Application 19-08-015 (SCA) 12/31/21 08/30/19 04/01/21 6.8 3.0 44 7.11 10.00 52.00
Application 19-08-015 (NCA/SLT) 12/31/21 08/30/19 04/01/21 6.0 3.4 57 7.44 10.00 52.00
Advice Letter No. 1191 (SCA) 11/24/21 01/01/22 2.2 2.2 100 7.11 10.00 52.00
Advice Letter No. 1191 (NCA/SLT) 11/24/21 01/01/22 0.9 0.9 100 7.44 10.00 52.00
Advice Letter No. 1195 (NCA) [9] 12/22/21 02/01/22 0.1 0.1 100 7.44 10.00 52.00
Advice Letter No. 1235 (SCA) 11/28/22 01/01/23 1.9 1.9 100 7.11 10.00 52.00
Advice Letter No. 1235 (NCA/SLT) 11/28/22 01/01/23 0.3 0.3 100 7.44 10.00 52.00
Advice Letter No. 1241 (NCA) [9] 12/19/22 02/01/23 1.3 1.3 100 7.44 10.00 52.00
Advice Letter No. 1275 (SCA) 11/03/23 01/01/24 5.0 5.0 100 8.02 11.16 52.00
Advice Letter No. 1275 (NCA/SLT) 11/03/23 01/01/24 1.9 1.9 100 7.91 11.16 52.00
Advice Letter No. 1280 (NCA) [9] 12/21/23 02/01/24 4.7 4.7 100 7.91 11.16 52.00
FERC
Docket No. RP14-540 08/31/14 02/28/14 09/01/14 9.0 2.4 27 [6] [6] [6]
Docket No. CP14-509 (2015 Elko Expansion) 06/27/14 01/06/16 6.0 6.0 100 [7] [7] [7]
Docket No. CP17-471 (2018 Expansion) 07/05/17 11/26/18 3.3 3.3 100 [7] [7] [7]
Docket No. RP19-1291 11/30/19 05/31/19 12/01/19 7.1 (0.7) NM [8] [8] [8]
[1] GRC = General Rate Case; VIER = Variable Interest Expense Recovery Mechanism; GIR=Gas Infrastructure Replacement; COYL=Customer Owned Yard Lines;
Attrition = Annual Attrition Filing and Automatic Trigger Mechanism (in 2024) for Cost of Capital; VSP = Vintage Steel Pipe.
[2] Authorized amounts do not include the effect of lower depreciation rates, which contribute to an increase in operating income.
[3] Represents the net change in margin resulting from the Average Variable Interest Rate (AVIR).
[4] Additional margin requested reflects amounts requested at certification, excluding 4.9M associated with non cost-of-service COVID regulatory asset and contract revenues adjustment.
[5] Effective 11/1/2021, rate to recover revenue begins 3/1/2022 with recovery over 3 years.
[6] Stipulation - Not Identified in Order. Decision authorized a pre-tax rate of return of 11.50 percent.
[7] Stipulation in Docket No. RP14-540 authorized a pre-tax rate of return of 11.50 percent.
[8] Stipulation - Not Identified in Order. Stipulation authorized pre-tax rate of return of 9.90 percent.
[9] Adjustments to 2022 (AL 1195), 2023 (AL 1241) and 2024 (AL 1280) attrition to recover the revenue requirement associated with the North Lake Tahoe Lateral replacement.

All values are in US Dollars.

SUMMARY OPERATING RESULTS YEAR ENDED DECEMBER 31,
(In thousands, except per share amounts) 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014
Results of Consolidated Operations
Contribution to net income - natural gas distribution $ 242,226 $ 154,380 $ 187,135 $ 159,118 $ 163,171 $ 138,842 $ 156,818 $ 119,423 $ 111,625 $ 116,872
Contribution to net income - utility infrastructure services* 19,652 2,065 40,420 74,862 52,404 44,977 38,360 32,618 26,692 24,254
Contribution to net income (loss) - pipeline and storage*** (16,288) (283,733)
Contribution to net income (loss) - corporate and administrative* (94,701) (76,002) (26,776) (1,656) (1,639) (1,542) (1,337)
Net income (loss)* $ 150,889 $ (203,290) $ 200,779 $ 232,324 $ 213,936 $ 182,277 $ 193,841 $ 152,041 $ 138,317 $ 141,126
Basic earnings (loss) per share $ 2.13 $ (3.10) $ 3.39 $ 4.15 $ 3.94 $ 3.69 $ 4.04 $ 3.20 $ 2.94 $ 3.04
Diluted earnings (loss) per share $ 2.13 $ (3.10) $ 3.39 $ 4.14 $ 3.94 $ 3.68 $ 4.04 $ 3.18 $ 2.92 $ 3.01
Average common shares 70,787 65,558 59,145 55,998 54,245 49,419 47,965 47,469 46,992 46,494
Average shares (assuming dilution) 70,990 65,558 59,259 56,076 54,312 49,476 47,991 47,814 47,383 46,944
Results of Natural Gas Distribution
Gas operating revenues $ 2,499,564 $ 1,935,069 $ 1,521,790 $ 1,350,585 $ 1,368,939 $ 1,357,728 $ 1,302,308 $ 1,321,412 $ 1,454,639 $ 1,382,087
Net cost of gas sold 1,246,901 789,216 430,907 342,837 385,164 419,388 355,045 397,121 563,809 505,356
Operating margin 1,252,663 1,145,853 1,090,883 1,007,748 983,775 938,340 947,263 924,291 890,830 876,731
Operations and maintenance expense ** 511,646 491,928 438,550 406,382 422,174 404,813 391,321 381,964 369,832 368,313
Depreciation and amortization 295,462 263,043 253,398 235,295 215,620 191,816 201,922 233,463 213,455 204,144
Taxes other than income taxes 87,261 83,197 80,343 63,460 62,328 59,898 57,946 52,376 49,393 47,252
Operating income 358,294 307,685 318,592 302,611 283,653 281,813 296,074 256,488 258,150 257,022
Other income (deductions)** 70,661 (6,884) (4,559) (6,590) 9,517 (17,240) (6,388) (11,484) (21,075) (8,254)
Net interest deductions 149,830 115,880 97,560 101,148 95,026 81,740 69,733 66,997 64,095 68,299
Income before income taxes 279,125 184,921 216,473 194,873 198,144 182,833 219,953 178,007 172,980 180,469
Income tax expense 36,899 30,541 29,338 35,755 34,973 43,991 63,135 58,584 61,355 63,597
Contribution to consolidated net income $ 242,226 $ 154,380 $ 187,135 $ 159,118 $ 163,171 $ 138,842 $ 156,818 $ 119,423 $ 111,625 $ 116,872

*Reflects (as applicable) transaction-related deal and financing costs associated with MountainWest and Riggs Distler acquisitions in 2021, as well as stockholder activism/settlement and strategic review costs in 2022. Costs related to the Centuri separation and public registrant readiness are included in 2023, as well as impairment/loss on sale not separately recognized at MountainWest. To a lesser extent, acquisition and related financing costs were reflected in utility infrastructure services results in earlier periods.

**To reflect the impacts of the Company's 2018 adoption of the Financial Accounting Standards Board ("FASB") update, "Compensation - Retirement Benefits (Topic 715): Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost," non-service components of these costs have been reclassified from Operations and maintenance expense to Other income (deductions) for 2014-2017, with no impact to earnings overall.

***Reflects results at MountainWest including impairment losses and adjustments thereto.

SUMMARY CONSOLIDATED BALANCE SHEET AT DECEMBER 31,
(In thousands) 2023 2022* 2021** 2020 2019 2018 2017 2016 2015 2014
ASSETS
Net regulated operations plant $ 7,518,242 $ 7,024,500 $ 7,594,022 $ 6,176,081 $ 5,685,197 $ 5,093,238 $ 4,523,650 $ 4,131,971 $ 3,891,085 $ 3,658,383
Other property and investments 1,266,340 1,281,172 1,316,479 834,245 784,173 623,551 428,180 342,343 313,531 326,743
Restricted cash 821
Current assets 1,881,114 3,707,662 1,614,767 871,013 859,856 839,769 657,032 533,307 558,174 606,611
Noncurrent assets 1,204,200 1,183,280 2,239,989 854,514 840,822 801,171 628,204 573,505 595,895 615,739
Total assets $ 11,869,896 $ 13,196,614 $ 12,765,257 $ 8,735,853 $ 8,170,048 $ 7,357,729 $ 6,237,066 $ 5,581,126 $ 5,358,685 $ 5,208,297
CAPITALIZATION
Common stock equity $ 2,614,984 $ 2,355,932 $ 1,886,268 $ 1,667,978 $ 1,523,574 $ 1,360,425 $ 1,005,052 $ 952,235 $ 945,455 $ 899,534
Accumulated other comprehensive income (loss), net (43,787) (44,242) (46,761) (61,003) (56,732) (52,668) (47,682) (48,008) (50,268) (50,175)
Retained earnings 738,839 747,069 1,114,313 1,067,978 1,039,072 944,285 857,398 759,263 699,221 639,164
Noncontrolling interests (452) (2,365) (2,217) (2,083) (2,257)
Redeemable noncontrolling interests 104,667 159,349 196,717 165,716 84,542 81,831 22,590 16,108 20,042
Long-term debt, less current maturities 4,609,838 4,403,299 4,115,684 2,732,200 2,300,482 2,107,258 1,798,576 1,549,983 1,551,204 1,631,374
Total capitalization $ 8,024,541 $ 7,621,407 $ 7,266,221 $ 5,572,869 $ 4,890,938 $ 4,440,679 $ 3,610,979 $ 3,233,846 $ 3,159,637 $ 3,137,682
LIABILITIES
Current maturities of long-term debt $ 42,552 $ 44,557 $ 297,324 $ 40,433 $ 163,512 $ 33,060 $ 25,346 $ 50,101 $ 19,475 $ 19,192
Current liabilities 1,642,295 3,378,406 2,814,725 871,534 916,349 905,585 790,535 578,274 515,570 450,925
Deferred income taxes and investment tax credits 752,997 682,067 768,868 647,453 599,840 529,201 476,960 840,653 769,445 723,688
Other deferred credits and other long-term liabilities 1,407,511 1,470,177 1,618,119 1,603,564 1,599,409 1,449,204 1,333,246 878,252 894,558 876,810
Total liabilities 3,845,355 5,575,207 5,499,036 3,162,984 3,279,110 2,917,050 2,626,087 2,347,280 2,199,048 2,070,615
Total capitalization and liabilities $ 11,869,896 $ 13,196,614 $ 12,765,257 $ 8,735,853 $ 8,170,048 $ 7,357,729 $ 6,237,066 $ 5,581,126 $ 5,358,685 $ 5,208,297
*Reflects MountainWest and related companies' assets/liabilities overall classified as current assets and liabilities held for sale. A Purchase and Sale Agreement was entered into on December 14, 2022, and the sale closed on February 14, 2023.<br>**Reflects the acquisition of MountainWest and related entities, and the parent company of Riggs Distler, Inc., which closed on December 31, 2021 and August 27, 2021, respectively. Other smaller acquisitions are reflected, where relevant, in earlier periods.
NATURAL GAS DISTRIBUTION SEGMENT CASH FLOWS YEAR ENDED DECEMBER 31,
(In thousands) 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014
From operating activities $ 391,545 $ 284,403 $ 25,245 $ 424,061 $ 367,794 $ 382,502 $ 309,216 $ 507,224 $ 497,500 $ 288,534
From investing activities (770,572) (654,708) (586,042) (677,412) (759,842) (669,392) (557,384) (446,238) (416,727) (328,645)
From financing activities 398,358 383,437 558,418 253,932 400,575 280,906 267,090 (63,339) (74,159) 23,413
Net change in cash $ 19,331 $ 13,132 $ (2,379) $ 581 $ 8,527 $ (5,984) $ 18,922 $ (2,353) $ 6,614 $ (16,698)
NATURAL GAS DISTRIBUTION SEGMENT
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REGULATED OPERATIONS PLANT AT DECEMBER 31,
(In thousands) 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014
Distribution $ 8,684,949 $ 8,039,793 $ 7,506,489 $ 7,078,656 $ 6,581,043 $ 6,049,380 $ 5,600,769 $ 5,198,531 $ 4,935,730 $ 4,655,640
General 539,188 505,109 496,643 515,879 467,274 416,643 396,252 382,084 365,865 356,072
Transmission 402,591 399,357 397,590 400,657 391,864 386,159 363,396 349,981 312,996 312,300
Intangible 396,585 392,459 383,307 273,811 259,097 243,694 232,566 226,754 205,782 198,457
Construction work in progress 200,549 244,750 183,485 211,429 185,026 193,028 125,248 111,177 119,805 74,332
Other 117,049 117,189 117,546 114,997 113,943 38,363 36,661 36,410 34,914 34,680
Accumulated depreciation & amortization (2,822,669) (2,674,157) (2,538,508) (2,419,348) (2,313,050) (2,234,029) (2,231,242) (2,172,966) (2,084,007) (1,973,098)
Net regulated operations plant $ 7,518,242 $ 7,024,500 $ 6,546,552 $ 6,176,081 $ 5,685,197 $ 5,093,238 $ 4,523,650 $ 4,131,971 $ 3,891,085 $ 3,658,383
OPERATIONS & MAINTENANCE EXPENSES YEAR ENDED DECEMBER 31,
(In thousands) 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014
Distribution $ 216,279 $ 212,077 $ 184,674 $ 175,408 $ 184,193 $ 185,176 $ 186,860 $ 188,064 $ 181,249 $ 170,377
Administrative and general* 195,400 180,858 171,390 162,659 167,553 151,157 135,569 123,246 114,501 122,532
Customer accounts 73,053 73,598 60,050 48,466 49,057 47,719 48,937 51,024 51,071 50,200
Transmission 18,179 17,188 14,054 12,599 15,938 15,020 13,744 13,666 14,779 15,792
Production and storage expenses 7,790 7,513 7,247 6,642 4,869 4,885 5,256 4,889 5,052 4,960
Customer service and informational 911 654 1,076 575 516 827 935 1,050 3,165 4,440
Sales 34 40 59 33 48 29 20 25 15 12
Total operations and maintenance expenses* $ 511,646 $ 491,928 $ 438,550 $ 406,382 $ 422,174 $ 404,813 $ 391,321 $ 381,964 $ 369,832 $ 368,313
* To reflect the impacts of the Company's 2018 adoption of the update to FASB Topic 715, all periods presented exclude non-service components of net periodic pension and other postretirement benefit cost. For 2014-2017, these costs have been reclassified from Administrative and general expense (as a practical expedient), as if initially reflected there, to Other income (deductions). Non-service cost in periods prior to 2018 were actually initially recognized in a number of categories of expense, and to a more limited extent, in regulated operations plant on the balance sheet, through an overhead loading process.
NATURAL GAS DISTRIBUTION SEGMENT
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AT DECEMBER 31,
CUSTOMERS BY CLASS 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014
Residential 2,139,014 2,109,902 2,072,889 2,039,226 1,997,418 1,964,355 1,932,332 1,902,227 1,874,852 1,849,555
Small commercial 85,068 84,431 83,242 82,036 81,603 80,676 80,047 79,437 78,833 78,230
Large commercial 994 976 977 990 987 992 1,016 1,042 1,043 1,086
Industrial / Other 388 392 373 342 336 329 332 318 318 341
Transportation 1,025 1,069 1,038 989 958 955 929 905 879 833
Total customers 2,226,489 2,196,770 2,158,519 2,123,583 2,081,302 2,047,307 2,014,656 1,983,929 1,955,925 1,930,045
Annual customer growth rate 1.4 % 1.8 % 1.7 % 1.8 % 1.7 % 1.6 % 1.5 % 1.4 % 1.3 % 1.4 %
SYSTEM THROUGHPUT BY CLASS YEAR ENDED DECEMBER 31,
(In thousands of dekatherms) 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014
Residential 86,965 81,392 76,811 80,068 81,839 69,702 67,427 68,463 65,542 61,738
Small commercial 35,092 33,499 31,051 29,316 33,322 30,534 29,767 29,452 28,512 27,658
Large commercial 11,092 10,004 9,490 9,124 9,933 9,255 9,256 9,095 9,228 9,439
Industrial / Other 7,760 5,005 5,104 5,316 4,255 3,775 3,382 3,028 3,097 3,238
Transportation 85,685 92,519 94,955 98,328 100,799 105,055 97,441 97,056 103,571 90,669
Total system throughput 226,594 222,419 217,411 222,152 230,148 218,321 207,273 207,094 209,950 192,742
OPERATING MARGIN BY CLASS* YEAR ENDED DECEMBER 31,
(In thousands) 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014
Residential $ 881,873 $ 808,910 $ 774,716 $ 717,581 $ 686,886 $ 647,209 $ 657,574 $ 640,157 $ 623,828 $ 612,641
Small commercial 182,159 162,692 153,492 138,272 142,798 145,250 144,096 142,490 136,344 136,272
Large commercial 23,395 29,303 26,021 23,618 23,138 22,822 22,232 22,450 22,249 23,412
Industrial / Other 30,917 14,889 14,703 10,293 8,464 8,251 7,495 7,177 6,937 6,477
Transportation 134,319 130,059 121,951 117,984 122,489 114,808 115,866 112,017 101,472 97,929
Total operating margin $ 1,252,663 $ 1,145,853 $ 1,090,883 $ 1,007,748 $ 983,775 $ 938,340 $ 947,263 $ 924,291 $ 890,830 $ 876,731
*Includes allocations of miscellaneous, unbilled, and other operating revenues.
MARKET PRICE PER SHARE 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014
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High $ 68.03 $ 95.62 $ 73.54 $ 81.62 $ 92.94 $ 85.97 $ 86.87 $ 79.58 $ 63.68 $ 64.20
Low 53.79 59.51 57.00 45.68 73.27 62.54 72.32 53.51 50.78 47.21
Close [1] 63.35 61.88 70.05 60.75 75.97 76.50 80.48 76.62 55.16 61.81
2023 2022 2021 2020 2019 2018 2017 2016 2015 2014
Common shares outstanding (in thousands) [1] 71,564 67,119 60,422 57,193 55,007 53,026 48,090 47,482 47,378 46,523
Dividend yield [1] 3.9 % 4.0 % 3.4 % 3.8 % 2.9 % 2.7 % 2.5 % 2.3 % 2.9 % 2.4 %
Dividends declared per share [2] $ 2.48 $ 2.48 $ 2.38 $ 2.28 $ 2.18 $ 2.08 $ 1.98 $ 1.80 $ 1.62 $ 1.46
Price / Earnings ratio [1,5] 29.74 (19.96) 20.66 14.64 19.28 20.73 19.92 23.94 18.76 20.33
Return on equity - total company [2,5] 4.7 % (6.2) % 7.1 % 9.0 % 9.0 % 9.3 % 11.2 % 9.3 % 8.9 % 9.7 %
Return on equity - gas distribution segment only [2] 8.2 % 6.0 % 7.8 % 7.5 % 8.5 % 8.2 % 10.0 % 7.7 % 7.6 % 8.5 %
Book value per share [1] $ 46.25 $ 45.57 $ 48.89 $ 46.77 $ 45.56 $ 42.63 $ 37.74 $ 35.03 $ 33.65 $ 32.03
NATURAL GAS DISTRIBUTION SEGMENT
YEAR ENDED DECEMBER 31,
HEATING DEGREE DAY COMPARISON 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014
Actual 1,954 1,835 1,627 1,767 1,917 1,531 1,478 1,613 1,512 1,416
Ten-year average 1,649 1,645 1,637 1,676 1,701 1,694 1,733 1,771 1,792 1,816
2023 2022 2021 2020 2019 2018 2017 2016 2015 2014
Number of gas distribution segment employees [1] 2,372 2,351 2,286 2,272 2,295 2,312 2,285 2,247 2,219 2,196
Customers / Employee [1] 939 934 945 935 907 886 882 883 881 879
Operations & maintenance expense / Customer [2,3,6] $ 223 $ 228 $ 212 $ 204 $ 213 $ 211 $ 207 $ 206 $ 204 $ 202
Weighted average cost of gas (per therm) [2,4] $ 0.94 $ 0.68 $ 0.64 $ 0.28 $ 0.36 $ 0.31 $ 0.44 $ 0.37 $ 0.44 $ 0.55
Construction expenditures (in thousands) [2] $ 762,081 $ 683,131 $ 601,983 $ 692,216 $ 778,748 $ 682,869 $ 560,448 $ 457,120 $ 438,289 $ 350,025
[1] At December 31,
[2] For the year ended December 31,
[3] Includes non-service components of net periodic pension and other postretirement benefit cost in calculation.
[4] Gas cost in 2021 includes impacts of the significant price runup during Winter Storm Uri. Gas cost in 2022 spiked due to numerous market forces including historically low storage levels, unexpected upstream pipeline maintenance events, and cold weather conditions across the western region in the latter part of 2022. Gas cost continued to spike in 2023 as these market forces continued to cause record prices for natural gas.
[5] In 2022 and 2023, includes the impact of a goodwill impairment and cost to sell MountainWest-related entities.
[6] As throughout this report, information for the natural gas distribution segment includes information (to the extent relevant) of the interstate pipeline operations of its subsidiaries, having a very small number of customers in relation to expenses incurred in related operations.
NATURAL GAS DISTRIBUTION SEGMENT
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Transportation Volumes and Operating Margin
DEKATHERMS OPERATING DEKATHERMS OPERATING
DIVISION/CUSTOMER TYPE TRANSPORTED MARGIN TRANSPORTED MARGIN
Twelve Months Ended 12-31-23 Twelve Months Ended 12-31-22
Southern Nevada
Commercial 9,390,173 $ 10,732,483 9,271,761 $ 9,982,123
Industrial 5,880,113 4,546,214 5,509,169 3,987,516
Power Generation 27,802,754 15,267,317 33,544,695 16,207,518
Southern Nevada Totals 43,073,040 $ 30,546,014 48,325,625 $ 30,177,157
Northern Nevada (1)
Commercial 1,790,379 $ 1,865,244 1,796,983 $ 1,663,135
Industrial 6,922,621 3,521,081 7,098,616 3,460,869
Power Generation 5,497,212 3,513,006 7,220,549 3,927,002
Resale 9,769,230 30,368,120 9,654,227 29,945,701
Northern Nevada Totals 23,979,442 $ 39,267,451 25,770,375 $ 38,996,707
(1) Includes transportation customers of Great Basin Gas Transmission Company, a wholly owned subsidiary of Southwest Gas Corporation.
NATURAL GAS DISTRIBUTION SEGMENT
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Transportation Volumes and Operating Margin
DEKATHERMS OPERATING DEKATHERMS OPERATING
DIVISION/CUSTOMER TYPE TRANSPORTED MARGIN TRANSPORTED MARGIN
Twelve Months Ended 12-31-23 Twelve Months Ended 12-31-22
Southern Arizona
Commercial 1,756,099 $ 5,528,404 1,663,227 $ 4,819,498
Industrial 1,543,533 2,313,355 1,004,626 1,930,588
Power Generation 1,574,513 4,269,429 1,632,235 4,187,566
Irrigation 349,061 1,143,672 455,344 1,606,239
Southern Arizona Totals 5,223,206 $ 13,254,860 4,755,432 $ 12,543,891
Central Arizona
Commercial 5,192,746 $ 15,015,895 5,294,661 $ 15,321,824
Industrial 5,384,339 15,331,140 5,363,545 15,844,208
Power Generation 1,218,097 1,542,160 1,205,797 1,461,189
Irrigation 1,272,188 3,192,690 1,438,776 3,431,656
Central Arizona Totals 13,067,370 $ 35,081,885 13,302,779 $ 36,058,877
NATURAL GAS DISTRIBUTION SEGMENT
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Transportation Volumes and Operating Margin
DEKATHERMS OPERATING DEKATHERMS OPERATING
DIVISION/CUSTOMER TYPE TRANSPORTED MARGIN TRANSPORTED MARGIN
Twelve Months Ended 12-31-23 Twelve Months Ended 12-31-22
Southern California
Commercial 335,689 $ 3,656,664 346,293 $ 1,758,785
Power Generation 6,700 61,075 18,230 146,750
Southern California Totals 342,389 $ 3,717,739 364,523 $ 1,905,535
Total Company (1)
Commercial 18,465,086 $ 36,798,690 18,372,925 $ 33,545,365
Industrial 19,730,606 25,711,790 18,975,956 25,223,181
Power Generation 36,099,276 24,652,987 43,621,506 25,930,025
Resale 9,769,230 30,368,120 9,654,227 29,945,701
Irrigation 1,621,249 4,336,362 1,894,120 5,037,895
TOTAL COMPANY 85,685,447 $ 121,867,949 92,518,734 $ 119,682,167
(1) Includes transportation customers of Great Basin Gas Transmission Company, a wholly owned subsidiary of Southwest Gas Corporation.