Xcel Energy 2011 Annual Report Download - page 42

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32
Natural Gas Operating Statistics
Year Ended Dec. 31
2011 2010 2009
Natural gas deliveries (Thousands of MMBtu)
Residential ................................................................
139,200 137,809 141,719
Commercial and industrial .................................................
86,788 87,599 88,943
Total retail .............................................................
225,988 225,408 230,662
Transportation and other ...................................................
117,654 121,261 126,993
Total deliveries .........................................................
343,642 346,669 357,655
Number of customers at end of period
Residential ................................................................
1,747,153 1,735,032 1,723,419
Commercial and industrial .................................................
153,911 152,937 152,312
Total retail .............................................................
1,901,064 1,887,969 1,875,731
Transportation and other ...................................................
5,395 5,281 4,826
Total customers ........................................................
1,906,459 1,893,250 1,880,557
Natural gas revenues (Thousands of Dollars)
Residential ................................................................
$
1,133,888 $
1,115,253 $
1,159,079
Commercial and industrial .................................................
601,298 589,449 631,728
Total retail .............................................................
1,735,186 1,704,702 1,790,807
Transportation and other ...................................................
76,740 77,880 74,896
Total natural gas revenues ..............................................
$
1,811,926 $
1,782,582 $
1,865,703
MMBtu sales per retail customer............................................
118.87 119.39 122.97
Revenue per retail customer ................................................
$
913 $
903 $
955
Residential revenue per MMBtu ............................................
8.15 8.09 8.18
Commercial and industrial revenue per MMBtu ..............................
6.93 6.73 7.10
Transportation and other revenue per MMBtu ................................
0.65 0.64 0.59
ENVIRONMENTAL MATTERS
Xcel Energy’s facilities are regulated by federal and state environmental agencies. These agencies have jurisdiction over air
emissions, water quality, wastewater discharges, solid wastes and hazardous substances. Various company activities require
registrations, permits, licenses, inspections and approvals from these agencies. Xcel Energy has received all necessary
authorizations for the construction and continued operation of its generation, transmission and distribution systems. Xcel Energy’s
facilities have been designed and constructed to operate in compliance with applicable environmental standards. Xcel Energy
strives to comply with all environmental regulations applicable to its operations. However, it is not possible to determine when or
to what extent additional facilities or modifications of existing or planned facilities will be required as a result of changes to
environmental regulations, interpretations or enforcement policies or, what effect future laws or regulations may have upon Xcel
Energy’s operations. See Item 7 and Notes 12 and 13 to the consolidated financial statements for further discussion.
There are significant future environmental regulations under consideration to encourage the use of clean energy technologies and
regulate emissions of GHGs to address climate change. While environmental regulations related to climate change and clean
energy continue to evolve, Xcel Energy has undertaken a number of initiatives to meet current requirements and prepare for
potential future regulations, reduce GHG emissions and respond to state renewable and energy efficiency goals. Although the
impact of these policies on Xcel Energy will depend on the specifics of state and federal policies, legislation, and regulation, we
believe that, based on prior state commission practice, we would be granted the authority to recover the cost of these initiatives
through rates.
Xcel Energy is committed to addressing climate change and potential climate change regulation through efforts to reduce its GHG
emissions in a balanced, cost-effective manner. Xcel Energy adopted a methodology for calculating CO2 emissions based on the
reporting protocols of The Climate Registry, a nonprofit organization that provides and compiles GHG emissions data from
reporting entities. As third-party CO2 reporting protocols continue to evolve, Xcel Energy expects additional changes in reporting
methodology and reported CO2 emissions. Starting in 2011, Xcel Energy began reporting GHG emissions to the EPA. Certain
REC transactions include a transfer of environmental attributes. It is not clear whether future GHG reporting regulations could
require reporting of CO2 emissions for such REC transfers; current EPA reporting rules do not address REC transactions.