Xcel Energy 2012 Annual Report Download - page 41

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31
The following table summarizes the average delivered cost per MMBtu of natural gas purchased for resale by PSCo’s regulated
retail natural gas distribution business:
2012.............................................................................
$
4.28
2011.............................................................................
4.99
2010.............................................................................
5.10
PSCo has natural gas supply, transportation and storage agreements that include obligations for the purchase and/or delivery of
specified volumes of natural gas or to make payments in lieu of delivery. At Dec. 31, 2012, PSCo was committed to
approximately $2.0 billion in such obligations under these contracts, which expire in various years from 2013 through 2029.
PSCo purchases natural gas by optimizing a balance of long-term and short-term natural gas purchases, firm transportation and
natural gas storage contracts. During 2012, PSCo purchased natural gas from approximately 41 suppliers.
See Items 1A and 7 for further discussion of natural gas supply and costs.
SPS
Natural Gas Facilities Used for Electric Generation
SPS does not provide retail natural gas service, but purchases and transports natural gas for certain of its generation facilities and
operates natural gas pipeline facilities connecting the generation facilities to interstate natural gas pipelines. SPS is subject to the
jurisdiction of the FERC with respect to certain natural gas transactions in interstate commerce; and to the jurisdiction of the DOT
and the PUCT for pipeline safety compliance.
See Items 1A and 7 for further discussion of natural gas costs.
Natural Gas Operating Statistics
Year Ended Dec. 31
2012
2011
2010
Natural gas deliveries (Thousands of MMBtu)
Residential ..................................................................
123,835
139,200
137,809
Commercial and industrial ...................................................
77,848
86,788
87,599
Total retail ...............................................................
201,683
225,988
225,408
Transportation and other .....................................................
116,611
117,654
121,261
Total deliveries ...........................................................
318,294
343,642
346,669
Number of customers at end of period
Residential ..................................................................
1,760,364
1,747,153
1,735,032
Commercial and industrial ...................................................
154,158
153,911
152,937
Total retail ...............................................................
1,914,522
1,901,064
1,887,969
Transportation and other .....................................................
5,789
5,395
5,281
Total customers ..........................................................
1,920,311
1,906,459
1,893,250
Natural gas revenues (Thousands of Dollars)
Residential .................................................................. $
964,642
$
1,133,888
$
1,115,253
Commercial and industrial ...................................................
488,644
601,298
589,449
Total retail ...............................................................
1,453,286
1,735,186
1,704,702
Transportation and other .....................................................
84,088
76,740
77,880
Total natural gas revenues ................................................ $
1,537,374
$
1,811,926
$
1,782,582
MMBtu sales per retail customer..............................................
105.34
118.87
119.39
Revenue per retail customer .................................................. $
759
$
913
$
903
Residential revenue per MMBtu ..............................................
7.79
8.15
8.09
Commercial and industrial revenue per MMBtu ................................
6.28
6.93
6.73
Transportation and other revenue per MMBtu ..................................
0.72
0.65
0.64