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Black Hills Corporation
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| Years Ended December 31, | 2006 |
2005 |
2004 |
|
|---|---|---|---|---|
| WHOLESALE ENERGY | ||||
Coal production (thousands of tons) |
||||
Tons of coal sold |
4,717 |
4,702 |
4,780 |
|
Coal reserves |
285,000 |
290,000 |
294,000 |
|
Exploration and production reserves (in thousands) |
||||
Bbls of oil |
5,723 |
6,835 |
5,239 |
|
MMcf of natural gas |
164,754 |
128,573 |
141,983 |
|
Total in MMcf equivalents |
199,092 |
169,583 |
173,417 |
|
Production |
||||
Barrels of oil sold |
401,440 |
395,550 |
432,400 |
|
Mcf of natural gas sold |
12,005,600 |
11,372,000 |
10,000,100 |
|
Mcf equivalent sales |
14,414,240 |
13,745,300 |
12,594,600 |
|
Energy marketing segment |
||||
Natural gas physical sales - MMBtu |
1,598,200 |
1,427,400 |
1,226,600 |
|
Crude oil physical sales - Bbls |
8,800 |
- |
- |
|
Power generation |
||||
Independent Power Capacity: |
||||
MW of independent power capacity in service |
989 |
1,000 |
964 |
|
Contracted fleet plant availability: |
||||
Gas-fired plants |
92.7% |
98.0% |
98.8% |
|
Coal-fired plants |
95.4% |
95.3% |
98.2% |
|
Total |
93.4% |
96.8% |
98.6% |
|
| ELECTRIC UTILITY | ||||
Resources |
||||
MW-hours generated: |
||||
Coal |
1,729,636 |
1,728,823 |
1,753,693 |
|
Gas |
54,299 |
37,239 |
27,825 |
|
1,783,935 |
1,766,062 |
1,781,518 |
||
MW-hours purchased |
1,553,024 |
1,399,212 |
1,361,409 |
|
Total resources |
3,336,959 |
3,165,274 |
3,142,927 |
|
Megawatt-hours sold |
||||
Commercial |
667,220 |
655,076 |
627,326 |
|
Residential |
499,152 |
480,053 |
447,166 |
|
Industrial |
433,019 |
417,628 |
406,209 |
|
Municipal sales |
32,961 |
30,084 |
28,934 |
|
Contract wholesale |
647,444 |
619,369 |
614,700 |
|
Wholesale off-system |
942,045 |
869,161 |
926,461 |
|
Total firm electricity sales |
3,221,841 |
3,071,371 |
3,050,796 |
|
Electric utility revenue (in thousands) |
||||
Commercial |
49,756 |
49,185 |
46,791 |
|
Residential |
40,491 |
$39,348 |
$ 36,536 |
|
Industrial |
20,694 |
19,982 |
19,796 |
|
Municipal sales |
2,401 |
2,268 |
2,200 |
|
Contract wholesale |
24,705 |
23,384 |
22,720 |
|
Wholesale off-system |
42,489 |
47,647 |
38,228 |
|
Total firm electricity revenue |
180,536 |
181,814 |
166,271 |
|
Other revenue |
12,630 |
7,191 |
7,474 |
|
$193,166 |
$189,005 |
$173,745 |
||
Heating and cooling degree days |
||||
Actual |
||||
Heating degree days |
6,472 |
6,488 |
6,553 |
|
Cooling degree days |
931 |
830 |
522 | |
| ELECTRIC AND GAS UTILITY | ||||
Electric Margins (in thousands) |
2006 |
January 21, 2005 to December 31, 2005 |
||
Customer Base |
||||
Residential |
8,599 |
6,915 |
||
Commercial |
7,100 |
5,773 |
||
Industrial |
347 |
437 |
||
Municipal sales |
562 |
416 |
||
Total electric sales |
16,608 |
13,541 |
||
Other revenue |
590 |
553 |
||
Total revenue |
17,198 |
14,094 |
||
Gas Margins (in thousands) |
2006 |
January 21, 2005 to |
||
Customer Base |
||||
Commercial |
2,258 |
1,430 |
||
Residential |
6,389 |
4,288 |
||
Industrial |
495 |
394 |
||
Total gas |
9,142 |
6,112 |
||
Other |
927 |
1,027 |
||
Total margins |
10,069 |
7,139 |
||
Electric sales - MWh |
919,938 |
877,798 |
||
Gas sales - Dth |
4,387,767 |
4,062,590 |
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