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8-K - CURRENT REPORT ON FORM 8-K - SOUTHWEST GAS CORPform8k5412.htm


RATEMAKING JURISDICTIONS AND REGULATORY AGENCIES

 
The Company 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 the Company, Paiute Pipeline Company (Paiute), 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 the Company's ratemaking jurisdictions and the corresponding regulatory agency having jurisdiction:

Ratemaking Jurisdiction
Regulatory Agency
 
Arizona:
Arizona Corporation Commission
 
 
1200 West Washington
Web site:  www.cc.state.az.us
 
Phoenix, AZ  85007-2996
 
 
(602) 542-4251
FAX: (602) 542-2129
     
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://pucweb1.state.nv.us/pucn/
    Southern
Carson City, NV  89701-3109
 
 
(775) 684-6101
FAX: (775) 684-6110
     
Nevada/California:
Federal Energy Regulatory Commission
 
    Paiute
888 First Street, N.E.
Web site:  www.ferc.gov
 
Washington, DC  20426
 
 
(202) 502-6088
FAX: (202) 208-2106

A list of the commissioners appointed or elected to the various regulatory agencies follows this page.

 
 

 




SUMMARY OF COMMISSIONER STATUS BY JURISDICTION
March 2012

ARIZONA
     
Five members, elected statewide to four-year staggered terms.  Governor appoints replacements, if position is vacated.
 
Chairman Gary Pierce
 Rep.
Term ends 01/2015
 
Commissioner Sandra D. Kennedy
 Dem.
Term ends 01/2013
 
Commissioner Paul Newman
 Dem.
Term ends 01/2013
 
Commissioner Bob Stump
 Rep.
Term ends 01/2013
 
Commissioner Brenda Burns
 Rep.
Term ends 01/2015
 
          Executive Director Ernest G. Johnson
   
       
CALIFORNIA
     
Five members, appointed to six-year staggered terms by Governor and confirmed by Senate.
 
President Michael R. Peevey
 Dem.
Term ends 12/31/2014
 
Commissioner Timothy Alan Simon
 Rep.
Term ends 01/01/2013
 
Commissioner Mark Ferron
 Dem.
Term ends 01/01/2015
 
Commissioner Mike Florio
 Dem.
Term ends 01/01/2017
 
Commissioner Catherine J. K. Sandoval
 Dem.
Term ends 01/01/2017
 
          Executive Director Paul Clanon
   
       
NEVADA
     
Three members, appointed to four-year staggered terms by Governor; no confirmation required.
 
Chairman Alaina Burtenshaw
 Dem.
Term ends 9/30/2013
 
Commissioner Rebecca Wagner
 Rep.
Term ends 9/30/2015
 
Commissioner David Noble
 Ind.
Term ends 9/30/2012
 
          Executive Director Crystal Jackson
   
       
FERC
     
Four members, appointed to five-year staggered terms by President and confirmed by U.S. Senate.
 
Chairman Jon Wellinghoff
 Dem.
Term ends 6/30/2013
 
Commissioner John R. Norris
 Dem.
Term ends 6/30/2012
 
Commissioner Cheryl A. LaFleur
 Dem
Term ends 6/30/2014
 
Commissioner Philip D. Moeller
 Rep.
Term ends 6/30/2015
 
          Secretary Kimberly D. Bose
   


 
 

 

ANALYSIS OF GENERAL RATE CASE DECISIONS FOR THE YEARS 2005 TO PRESENT
                         
             
 
PERCENT
 
OVERALL
 
RATE OF
     
 
ADDITIONAL
 
ADDITIONAL
 
AUTHORIZED
 
RATE OF
 
RETURN ON
 
FILING
EFFECTIVE
 
MARGIN
 
MARGIN
 
OF REQUESTED
 
RETURN
 
COMMON EQUITY
JURISDICTION
DATE
DATE
 
REQUESTED
 
AUTHORIZED
 
AMOUNTS
 
GRANTED
 
GRANTED
 
 
 
 
($mm)
 
($mm)
 
 
 
 
 
 

NEVADA
                                 
    Docket No. 06-05019  (So. NV)
05/15/06
11/01/06
    2.5       2.5       100       7.64       10.50  
    Docket No. 07-05015  (So. NV)
05/15/07
11/01/07
    1.3       1.3       100       7.76       10.50  
    Docket No. 08-05008  (So. NV)
05/15/08
11/01/08
    (0.8 )     (0.8 )     100       7.79       10.50  
    Docket No. 09-04003  (No. NV)
04/03/09
11/01/09
    1.3       (0.5 )  
NM
      8.29       10.15  
    Docket No. 09-04003  (So. NV)
04/03/09
11/01/09
    26.6       17.6       66       7.40       10.15  
    Docket No. 09-06016  (So. NV)
06/15/09
11/01/09
    (1.5 )     (1.5 )     100       7.40       10.15  
    Docket No. 10-06008  (So. NV)
06/04/10
11/01/10
    (1.1 )     (1.1 )     100       7.25       10.15  
    Docket No. 11-06003  (So. NV)
06/03/11
11/01/11
    1.9       1.9       100       7.26       10.15  
                                             
ARIZONA
                                           
    Docket No. G-0155A-04-0876
12/09/04
03/01/06
    66.9       49.3       74       8.40       9.50  
    Docket No. G-0155A-07-0504
08/31/07
12/01/08
    49.3       33.5       68       8.86       10.00  
    Docket No. G-0155A-10-0458
11/12/10
01/01/12
    73.2       52.6       72       8.95       9.50  
                                             
CALIFORNIA
                                           
    Advice Letter No. 722  (So. CA)
11/01/04
01/01/05
    1.6       1.6       100       8.74       10.38  
    Advice Letter No. 722  (No. CA)
11/01/04
01/01/05
    0.3       0.3       100       8.74       10.38  
    Advice Letter No. 747-A  (So. CA)
11/23/05
04/13/06
    3.4       2.2       65       8.74       10.38  
    Advice Letter No. 747-A  (No. CA)
11/23/05
04/13/06
    1.1       0.8       72       8.74       10.38  
    Advice Letter No. 769  (So. CA)
11/17/06
01/01/07
    2.3       2.3       100       8.74       10.38  
    Advice Letter No. 769  (No. CA)
11/17/06
01/01/07
    0.4       0.4       100       8.74       10.38  
    Advice Letter No. 789  (So. CA)
11/01/07
01/01/08
    1.7       1.7       100       8.74       10.38  
    Advice Letter No. 789  (No. CA)
11/01/07
01/01/08
    0.4       0.4       100       8.74       10.38  
    Application 07-12-022  (So. CA)
12/21/07
01/01/09
    7.1       2.4       34       7.87       10.50  
    Application 07-12-022  (No. CA)
12/21/07
01/01/09
    (0.1 )     (1.0 )  
NM
      8.99       10.50  
    Application 07-12-022  (So. Lake Tahoe)
12/21/07
01/01/09
    2.1       1.8       86       8.99       10.50  
    Advice Letter No. 829  (So. CA)
10/30/09
01/01/10
    1.7       1.7       100       7.87       10.50  
    Advice Letter No. 829  (No. CA)
10/30/09
01/01/10
    0.4       0.4       100       8.99       10.50  
    Advice Letter No. 829  (SLT)
10/30/09
01/01/10
    0.6       0.6       100       8.99       10.50  
    Advice Letter No. 857  (So. CA)
12/01/10
01/01/11
    1.7       1.7       100       7.87       10.50  
    Advice Letter No. 857  (No. CA)
12/01/10
01/01/11
    0.4       0.4       100       8.99       10.50  
    Advice Letter No. 857  (SLT)
12/01/10
01/01/11
    0.1       0.1       100       8.99       10.50  
    Advice Letter No. 877  (So. CA)
11/22/11
01/01/12
    (0.3 )     (0.3 )     100       6.42       9.88  
    Advice Letter No. 877  (No. CA)
11/22/11
01/01/12
    0.2       0.2       100       8.50       9.88  
    Advice Letter No. 877  (SLT)
11/22/11
01/01/12
    0.1       0.1       100       8.50       9.88  
                                             
FERC
                                           
    Docket No. RP05-163
01/28/05
08/01/05
    1.7       (2.5 )  
NM
      9.44  1     11.80      1
    Docket No. RP09-406
02/27/09
09/01/09
    3.9       0.9       22       9.47  1     12.00      1
                                             
                                             
 1  Estimated amounts based on rate case settlement.                                            


 
 

 

SUMMARY OPERATING RESULTS
  YEAR ENDED DECEMBER 31,
(In thousands, except per share amounts)
 
2011
   
2010
   
2009
   
2008
   
2007
   
2006
   
2005
   
2004
   
2003
   
2002
 
Results of Consolidated Operations
                                                           
Contribution to net income - gas operations
  $ 91,420     $ 91,382     $ 79,420     $ 53,747     $ 72,494     $ 71,473     $ 33,670     $ 48,354     $ 34,211     $ 39,228  
Contribution to net income  - construction services
    20,867       12,495       8,062       7,226       10,752       12,387       10,153       8,421       4,291       4,737  
Net income
  $ 112,287     $ 103,877     $ 87,482     $ 60,973     $ 83,246     $ 83,860     $ 43,823     $ 56,775     $ 38,502     $ 43,965  
                                                                                 
Basic earnings per share
  $ 2.45     $ 2.29     $ 1.95     $ 1.40     $ 1.97     $ 2.07     $ 1.15     $ 1.61     $ 1.14     $ 1.33  
Diluted earnings per share
  $ 2.43     $ 2.27     $ 1.94     $ 1.39     $ 1.95     $ 2.05     $ 1.14     $ 1.60     $ 1.13     $ 1.32  
                                                                                 
Average outstanding common shares
    45,858       45,405       44,752       43,476       42,336       40,566       38,132       35,204       33,760       32,953  
Average shares outstanding (assuming dilution)
    46,291       45,823       45,062       43,775       42,714       40,975       38,467       35,488       34,041       33,233  
                                                                                 
Results of Natural Gas Operations
                                                                               
Gas operating revenues
  $ 1,403,366     $ 1,511,907     $ 1,614,843     $ 1,791,395     $ 1,814,766     $ 1,727,394     $ 1,455,257     $ 1,262,052     $ 1,034,353     $ 1,115,900  
Net cost of gas sold
    613,489       736,175       866,630       1,055,977       1,086,194       1,033,988       828,131       645,766       482,503       563,379  
Operating margin
    789,877       775,732       748,213       735,418       728,572       693,406       627,126       616,286       551,850       552,521  
Operations and maintenance expense
    358,498       354,943       348,942       338,660       331,208       320,803       314,437       290,800       266,862       264,188  
Depreciation and amortization
    175,253       170,456       166,850       166,337       157,090       146,654       137,981       130,515       120,791       115,175  
Taxes other than income taxes
    40,949       38,869       37,318       36,780       37,553       34,994       39,040       37,669       35,910       34,565  
Operating income
    215,177       211,464       195,103       193,641       202,721       190,955       135,668       157,302       128,287       138,593  
Other income (deductions)
    (5,404 )     4,016       6,590       (13,469 )     4,850       10,049       5,087       1,611       2,955       3,108  
Net interest deductions
    68,777       75,113       74,091       83,096       86,436       85,567       81,595       78,137       76,251       78,505  
Net interest deductions on subordinated debentures
    -       1,912       7,731       7,729       7,727       7,724       7,723       7,724       2,680       -  
Preferred securities distributions
    -       -       -       -       -       -       -       -       4,180       5,475  
Income before income taxes
    140,996       138,455       119,871       89,347       113,408       107,713       51,437       73,052       48,131       57,721  
Income tax expense
    49,576       47,073       40,451       35,600       40,914       36,240       17,767       24,698       13,920       18,493  
Contribution to consolidated net income
  $ 91,420     $ 91,382     $ 79,420     $ 53,747     $ 72,494     $ 71,473     $ 33,670     $ 48,354     $ 34,211     $ 39,228  
                                                                                 

 
 

 





SUMMARY CONSOLIDATED BALANCE SHEET
  AT DECEMBER 31,
(In thousands)
 
2011
   
2010
   
2009
   
2008
   
2007
   
2006
   
2005
   
2004
   
2003
   
2002
 
ASSETS
                                                           
Net utility plant
  $ 3,218,944     $ 3,072,436     $ 3,034,503     $ 2,983,307     $ 2,845,300     $ 2,668,104     $ 2,489,147     $ 2,335,992     $ 2,175,736     $ 2,034,459  
Other property and investments
    192,004       134,648       115,860       124,781       143,097       136,242       118,094       99,879       87,443       87,391  
Restricted cash
    12,785       37,781       49,769       -       -       -       -       -       -       -  
Current assets
    461,632       445,894       417,632       438,076       502,459       501,624       542,660       431,993       281,087       261,768  
Deferred charges and other assets
    390,642       293,434       288,528       274,220       179,332       178,995       78,525       70,252       63,840       49,310  
  Total assets
  $ 4,276,007     $ 3,984,193     $ 3,906,292     $ 3,820,384     $ 3,670,188     $ 3,484,965     $ 3,228,426     $ 2,938,116     $ 2,608,106     $ 2,432,928  
CAPITALIZATION
                                                                               
Common stock equity
  $ 869,226     $ 855,114     $ 839,061     $ 816,285     $ 776,755     $ 741,658     $ 669,206     $ 605,070     $ 546,383     $ 522,707  
Accumulated other comprehensive income (loss), net
    (49,331 )     (30,784 )     (22,250 )     (19,426 )     (12,850 )     (13,666 )     (41,645 )     (10,892 )     -       -  
Retained earnings
    406,125       343,131       285,316       240,982       219,768       173,433       123,574       111,498       84,084       73,460  
Noncontrolling interest
    (989 )     (465 )     (41 )     -       -       -       -       -       -       -  
Preferred securities
    -       -       -       -       -       -       -       -       -       60,000  
Subordinated debentures
    -       -       100,000       100,000       100,000       100,000       100,000       100,000       100,000       -  
Long-term debt, less current maturities
    930,858       1,124,681       1,169,357       1,185,474       1,266,067       1,286,354       1,224,898       1,162,936       1,121,164       1,092,148  
  Total capitalization
    2,155,889       2,291,677       2,371,443       2,323,315       2,349,740       2,287,779       2,076,033       1,968,612       1,851,631       1,748,315  
LIABILITIES
                                                                               
Current maturities of long-term debt
    322,618       75,080       1,327       7,833       38,079       27,545       83,215       29,821       6,435       8,705  
Current liabilities
    524,950       521,881       472,903       502,062       489,853       468,519       537,738       453,210       303,977       304,476  
Deferred income taxes and investment tax credits
    557,118       466,628       436,113       387,539       347,497       308,493       234,739       281,743       277,332       229,358  
Other deferred credits
    715,432       628,927       624,506       599,635       445,019       392,629       296,701       204,730       168,731       142,074  
  Total liabilities
    2,120,118       1,692,516       1,534,849       1,497,069       1,320,448       1,197,186       1,152,393       969,504       756,475       684,613  
  Total capitalization and liabilities
  $ 4,276,007     $ 3,984,193     $ 3,906,292     $ 3,820,384     $ 3,670,188     $ 3,484,965     $ 3,228,426     $ 2,938,116     $ 2,608,106     $ 2,432,928  
 
 
 
GAS SEGMENT CASH FLOWS
YEAR ENDED DECEMBER 31,
(In thousands)
   2011      2010      2009      2008      2007      2006      2005      2004      2003      2002  
From operating activities
  $ 216,745     $ 342,522     $ 371,416     $ 261,322     $ 320,594     $ 253,245     $ 214,036     $ 124,135     $ 187,122     $ 281,329  
From investing activities
    (289,234 )     (178,685 )     (265,850 )     (237,093 )     (306,396 )     (277,980 )     (254,120 )     (272,458 )     (249,300 )     (243,373 )
From financing activities
    (2,327 )     (107,779 )     (81,744 )     (34,704 )     (5,347 )     15,989       57,763       143,086       60,815       (49,187 )
  Net change in cash
  $ (74,816 )   $ 56,058     $ 23,822     $ (10,475 )   $ 8,851     $ (8,746 )   $ 17,679     $ (5,237 )   $ (1,363 )   $ (11,231 )
 

 

 
 

 

GAS OPERATIONS SEGMENT
UTILITY PLANT
AT DECEMBER 31,
(In thousands)
 
2011
   
2010
   
2009
   
2008
   
2007
   
2006
   
2005
   
2004
   
2003
   
2002
 
Distribution
  $ 4,048,078     $ 3,847,731     $ 3,716,881     $ 3,615,253     $ 3,419,799     $ 3,153,399     $ 2,917,959     $ 2,706,089     $ 2,496,708     $ 2,293,655  
General
    291,639       279,402       270,825       228,282       219,126       219,527       213,906       206,837       197,693       198,093  
Transmission
    295,103       274,646       271,467       262,271       256,696       243,989       239,872       233,841       215,907       196,997  
Intangible
    144,135       135,330       127,188       122,227       119,312       117,251       115,893       112,036       108,215       73,892  
Construction work in progress
    44,894       37,489       45,872       70,041       61,419       78,402       54,287       31,967       33,543       66,693  
Other
    33,186       33,267       33,376       32,326       30,815       31,136       31,130       31,141       19,979       20,037  
Accumulated depreciation & amortization
    (1,638,091 )     (1,535,429 )     (1,431,106 )     (1,347,093 )     (1,261,867 )     (1,175,600 )     (1,083,900 )     (985,919 )     (896,309 )     (814,908 )
  Net utility plant
  $ 3,218,944     $ 3,072,436     $ 3,034,503     $ 2,983,307     $ 2,845,300     $ 2,668,104     $ 2,489,147     $ 2,335,992     $ 2,175,736     $ 2,034,459  
 



OPERATIONS & MAINTENANCE EXPENSES
YEAR ENDED DECEMBER 31,
(In thousands)
 
2011
   
2010
   
2009
   
2008
   
2007
   
2006
   
2005
   
2004
   
2003
   
2002
 
Distribution
  $ 157,855     $ 157,220     $ 159,282     $ 151,586     $ 148,130     $ 142,194     $ 134,271     $ 126,396     $ 115,983     $ 111,091  
Administrative and general
    123,357       120,942       112,526       106,851       101,100       98,363       104,662       90,111       79,128       74,286  
Customer accounts
    57,414       60,187       60,896       63,788       67,453       67,472       63,715       60,180       58,458       60,160  
Transmission
    12,353       9,622       9,338       10,172       8,346       8,276       7,515       7,612       7,264       8,759  
Production and storage expenses
    4,492       4,215       3,985       3,398       3,071       2,927       3,074       5,114       4,657       7,221  
Customer service and informational
    2,962       2,646       2,484       2,523       2,842       1,285       1,064       1,047       782       1,539  
Sales
    65       111       431       342       266       286       136       340       590       1,132  
  Total operations and maintenance expenses
  $ 358,498     $ 354,943     $ 348,942     $ 338,660     $ 331,208     $ 320,803     $ 314,437     $ 290,800     $ 266,862     $ 264,188  
 

 
 

 




GAS OPERATIONS SEGMENT
  AT DECEMBER 31,
CUSTOMERS BY CLASS
 
2011
   
2010
   
2009
   
2008
   
2007
   
2006
     2005 *    2004      2003 **    2002  
Residential
    1,780,155       1,758,557       1,744,481       1,738,202       1,732,573       1,704,456       1,635,115       1,537,434       1,456,857       1,382,406  
Small commercial
    76,633       76,746       77,416       78,190       77,970       76,962       75,549       72,953       71,466       70,267  
Large commercial
    1,433       1,185       1,263       1,314       1,310       1,219       1,222       1,221       1,270       1,271  
Industrial / Other
    320       328       320       343       347       370       386       383       397       415  
Transportation
    715       643       646       550       594       630       590       665       596       625  
Total customers
    1,859,256       1,837,459       1,824,126       1,818,599       1,812,794       1,783,637       1,712,862       1,612,656       1,530,586       1,454,984  
ANNUAL CUSTOMER GROWTH RATE
    1.2%       0.7%       0.3%       0.3%       1.6%       4.1%       6.2%       5.4%       5.2%       4.1%  
 
SYSTEM THROUGHPUT BY CLASS
YEAR ENDED DECEMBER 31,
(In thousands of dekatherms)
   2011      2010      2009      2008      2007      2006      2005      2004      2003      2002  
Residential
    71,877       70,470       66,974       70,499       69,806       67,760       65,047       66,717       59,305       58,821  
Small commercial
    30,392       30,094       29,423       31,455       31,067       30,986       30,007       30,384       27,915       28,027  
Large commercial
    11,226       11,183       11,724       12,512       12,756       12,826       11,184       10,490       10,042       12,150  
Industrial / Other
    5,021       5,892       7,262       9,770       10,353       14,924       15,654       16,386       15,731       22,406  
Transportation
    94,154       99,860       104,389       116,419       112,842       117,524       127,396       125,827       133,690       132,515  
Total system throughput
    212,670       217,499       219,772       240,655       236,824       244,020       249,288       249,804       246,683       253,919  
 
 
OPERATING MARGIN BY CLASS***
YEAR ENDED DECEMBER 31,
(In thousands)
   2011      2010      2009      2008      2007      2006      2005      2004      2003      2002  
Residential
  $ 549,844     $ 537,980     $ 513,299     $ 503,397     $ 497,703     $ 466,990     $ 422,643     $ 413,977     $ 360,591     $ 352,883  
Small commercial
    129,946       127,802       129,103       128,827       129,080       126,020       114,252       114,834       104,353       105,268  
Large commercial
    20,248       20,936       21,879       22,536       22,483       21,257       17,111       17,399       16,907       17,973  
Industrial / Other
    8,772       9,515       10,302       12,586       13,852       17,075       15,489       15,043       15,977       22,652  
Transportation
    81,067       79,499       73,630       68,072       65,454       62,064       57,631       55,033       54,022       53,745  
Total operating margin
  $ 789,877     $ 775,732     $ 748,213     $ 735,418     $ 728,572     $ 693,406     $ 627,126     $ 616,286     $ 551,850     $ 552,521  
 
* Includes 19,000 customers associated with the acquisition of the South Lake Tahoe properties in April 2005.
** Includes 9,000 customers associated with the acquisition of Black Mountain Gas Company in October 2003.
*** Includes allocations of miscellaneous, unbilled, and other operating revenues.



 
 

 

SOUTHWEST GAS CORPORATION
   
   
MARKET PRICE PER SHARE
 
2011
   
2010
   
2009
   
2008
   
2007
   
2006
   
2005
   
2004
   
2003
   
2002
 
High
  $ 43.20     $ 37.25     $ 29.48     $ 33.29     $ 39.95     $ 39.37     $ 28.07     $ 26.15     $ 23.64     $ 25.35  
Low
    32.12       26.28       17.08       21.11       26.45       26.09       23.53       21.50       19.30       18.10  
Close  [1]
    42.49       36.67       28.53       25.22       29.77       38.37       26.40       25.40       22.45       23.45  
   
   
     2011      2010      2009      2008      2007      2006      2005      2004      2003      2002  
COMMON SHARES OUTSTANDING (in thousands)  [1]
    45,956       45,599       45,092       44,192       42,806       41,770       39,328       36,794       34,232       33,289  
DIVIDEND YIELD  [1]
    2.5%       2.7%       3.3%       3.6%       2.9%       2.1%       3.1%       3.2%       3.7%       3.5%  
DIVIDENDS DECLARED PER SHARE  [2]
  $ 1.06     $ 1.00     $ 0.95     $ 0.90     $ 0.86     $ 0.82     $ 0.82     $ 0.82     $ 0.82     $ 0.82  
PRICE / EARNINGS RATIO  [1]
    17.34       16.01       14.63       18.01       15.11       18.54       22.96       15.78       19.69       17.63  
RETURN ON EQUITY - TOTAL COMPANY  [2]
    9.3%       9.1%       8.1%       6.0%       8.8%       10.3%       5.9%       8.5%       6.3%       7.5%  
RETURN ON EQUITY - GAS SEGMENT ONLY  [2]
    8.0%       8.5%       7.8%       5.6%       8.1%       9.2%       4.8%       7.6%       5.9%       7.1%  
BOOK VALUE PER SHARE  [1]
  $ 26.68     $ 25.60     $ 24.44     $ 23.48     $ 22.98     $ 21.58     $ 19.10     $ 19.18     $ 18.42     $ 17.91  
 
 
 
GAS OPERATIONS SEGMENT
   
  YEAR ENDED DECEMBER 31,
HEATING DEGREE DAY COMPARISON
   2011      2010      2009      2008      2007      2006      2005      2004      2003      2002  
Actual
    2,002       1,998       1,824       1,902       1,850       1,826       1,735       1,953       1,772       1,912  
Ten-year average
    1,888       1,876       1,882       1,893       1,936       1,961       1,956       1,913       1,931       1,963  
 
   
     2011      2010      2009      2008      2007      2006      2005      2004      2003      2002  
NUMBER OF GAS SEGMENT EMPLOYEES  [1]
    2,298       2,349       2,423       2,447       2,538       2,525       2,590       2,548       2,550       2,546  
CUSTOMERS / EMPLOYEE  [1]
    809       782       753       743       714       706       661       633       600       571  
OPERATIONS & MAINTENANCE EXPENSE / CUSTOMER [2]
  $ 196     $ 196     $ 194     $ 188     $ 186     $ 185     $ 191     $ 187     $ 182     $ 188  
WEIGHTED AVERAGE COST OF GAS (per therm)  [2]
  $ 0.58     $ 0.62     $ 0.71     $ 0.84     $ 0.81     $ 0.79     $ 0.71     $ 0.57     $ 0.46     $ 0.38  
CONSTRUCTION EXPENDITURES (in thousands)  [2]
  $ 305,542     $ 188,379     $ 212,919     $ 279,254     $ 312,412     $ 305,914     $ 258,547     $ 274,748     $ 228,288     $ 263,576  
 
[1]   At December 31,
 
[2]   For the year ended December 31,




 
 

 

GAS OPERATIONS SEGMENT
 
Transportation Volumes and Operating Margin
 
                           
 
     
DEKATHERMS
 
OPERATING
 
DEKATHERMS
 
OPERATING
DIVISION/CUSTOMER TYPE
 
TRANSPORTED
 
MARGIN
 
TRANSPORTED
 
MARGIN
                           
     
Twelve Months Ended 12-31-11
 
Twelve Months Ended 12-31-10
Southern Nevada
                       
 
Commercial
    6,881,666     $ 7,303,359       6,394,779     $ 7,142,082  
 
Industrial
    3,057,635       2,268,912       2,851,951       2,380,290  
 
Power Generation
    46,393,997       12,309,467       51,995,313       12,883,468  
 
     Southern Nevada Totals
    56,333,298     $ 21,881,738       61,242,043     $ 22,405,840  
                                   
                                   
                                   
Northern Nevada     (1)
                               
 
Commercial
    2,109,933     $ 797,616       2,029,910     $ 785,051  
 
Industrial
    6,257,400       1,973,075       6,022,861       1,922,775  
 
Power Generation
    2,538,983       1,745,682       7,972,646       4,251,927  
 
Resale
    10,648,020       22,522,572       6,870,762       19,871,541  
 
     Northern Nevada Totals
    21,554,336     $ 27,038,945       22,896,179     $ 26,831,294  
                                   
                                   
                                   
                                   
                                   
     
(1)
Includes transportation customers of Paiute Pipeline Company, a wholly owned subsidiary of Southwest Gas Corporation.
 

 
 

 





GAS OPERATIONS SEGMENT
 
Transportation Volumes and Operating Margin
 
                           
 
     
DEKATHERMS
 
OPERATING
 
DEKATHERMS
 
OPERATING
DIVISION/CUSTOMER TYPE
 
TRANSPORTED
 
MARGIN
 
TRANSPORTED
 
MARGIN
                           
     
Twelve Months Ended 12-31-11
 
Twelve Months Ended 12-31-10
Southern Arizona
                               
 
Commercial
    669,936     $ 1,457,266       621,393     $ 1,314,947  
 
Industrial
    1,636,087       1,221,281       1,652,171       1,587,177  
 
Power Generation
    1,752,500       3,090,962       1,744,768       2,920,348  
 
Irrigation
    358,159       511,505       392,352       450,850  
 
     Southern Arizona Totals
    4,416,682     $ 6,281,014       4,410,684     $ 6,273,322  
                                   
                                   
                                   
Central Arizona
                               
 
Commercial
    3,073,606     $ 6,158,013       2,715,240     $ 5,576,953  
 
Industrial
    3,288,711       6,333,363       3,128,734       5,986,228  
 
Power Generation
    721,311       1,012,191       778,773       1,101,038  
 
Irrigation
    2,167,585       3,131,959       1,989,851       2,902,846  
 
     Central Arizona Totals
    9,251,213     $ 16,635,526       8,612,598     $ 15,567,065  




 
 

 
GAS OPERATIONS SEGMENT
 
Transportation Volumes and Operating Margin
 
                           
 
     
DEKATHERMS
 
OPERATING
 
DEKATHERMS
 
OPERATING
DIVISION/CUSTOMER TYPE
 
TRANSPORTED
 
MARGIN
 
TRANSPORTED
 
MARGIN
                           
     
Twelve Months Ended 12-31-11
 
Twelve Months Ended 12-31-10
Southern California
                       
 
Commercial
    532,208     $ 635,874       505,265     $ 563,323  
 
Industrial
    268,424       300,423       307,537       325,212  
 
Power Generation
    1,798,242       1,080,064       1,885,643       1,131,627  
 
     Southern California Totals
    2,598,874     $ 2,016,361       2,698,445     $ 2,020,162  
                                   
                                   
                                   
                                   
Total Company     (1)
                               
 
Commercial
    13,267,349     $ 16,352,128       12,266,587     $ 15,382,356  
 
Industrial
    14,508,257       12,097,054       13,963,254       12,201,682  
 
Power Generation
    53,205,033       19,238,366       64,377,143       22,288,408  
 
Resale
    10,648,020       22,522,572       6,870,762       19,871,541  
 
Irrigation
    2,525,744       3,643,464       2,382,203       3,353,696  
 
     TOTAL COMPANY
    94,154,403     $ 73,853,584       99,859,949     $ 73,097,683  
                                   
                                   
                                   
                                   
                                   
     
(1)
Includes transportation customers of Paiute Pipeline Company, a wholly owned subsidiary of Southwest Gas Corporation.