OG&E 2009 Annual Report Download - page 41

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Year ended December 31 (Dollars in millions) 2009 2008 2007
Operating revenues $ 1,751.2 $ 1,959.5 $ 1,835.1
Cost of goods sold 796.3 1,114.9 1,025.1
Gross margin on revenues 954.9 844.6 810.0
Other operation and maintenance 348.0 351.6 320.7
Depreciation and amortization 187.4 155.0 141.3
Impairment of assets 0.3 --- ---
Taxes other than income 65.1 59.7 56.0
Operating income 354.1 278.3 292.0
Interest income 1.1 4.4 ---
Allowance for equity funds used during construction 15.1 --- ---
Other income 20.4 3.6 5.0
Other expense 6.7 11.8 7.2
Interest expense 93.6 79.1 54.9
Income tax expense 90.0 52.4 73.2
Net income $ 200.4 $ 143.0 $ 161.7
Operating revenues by classification
Residential $ 717.9 $ 751.2 $ 706.4
Commercial 439.8 479.0 450.1
Industrial 172.1 219.8 221.4
Oilfield 132.6 151.9 140.9
Public authorities and street light 167.7 190.3 181.4
Sales for resale 53.6 64.9 68.8
Provision for rate refund (0.6) (0.4) 0.1
System sales revenues 1,683.1 1,856.7 1,769.1
Off-system sales revenues (A) 31.8 68.9 35.1
Other 36.3 33.9 30.9
Total operating revenues $ 1,751.2 $ 1,959.5 $ 1,835.1
MWH (B) sales by classification (in millions)
Residential 8.7 9.0 8.7
Commercial 6.4 6.5 6.3
Industrial 3.6 4.0 4.2
Oilfield 2.9 2.9 2.8
Public authorities and street light 3.0 3.0 3.0
Sales for resale 1.3 1.4 1.4
System sales 25.9 26.8 26.4
Off-system sales 1.0 1.4 0.7
Total sales 26.9 28.2 27.1
Number of customers 776,550 770,088 762,234
Average cost of energy per KWH (C) - cents
Natural gas 3.696 8.455 6.872
Coal 1.747 1.153 1.143
Total fuel 2.474 3.337 3.173
Total fuel and purchased power 2.760 3.710 3.523
Degree days (D)
Heating - Actual 3,456 3,394 3,175
Heating - Normal 3,631 3,650 3,631
Cooling - Actual 1,860 2,081 2,221
Cooling - Normal 1,911 1,912 1,911
(A) Sales to other utilities and power marketers.
(B) Megawatt-hour.
(C) Kilowatt-hour.
(D) Degree days are calculated as follows: The high and low degrees of a particular day are added together and then averaged. If the
calculated average is above 65 degrees, then the difference between the calculated average and 65 is expressed as cooling degree days,
with each degree of difference equaling one cooling degree day. If the calculated average is below 65 degrees, then the difference between
the calculated average and 65 is expressed as heating degree days, with each degree of difference equaling one heating degree day. The
daily calculations are then totaled for the particular reporting period.
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