Exhibit 12
NSP-MINNESOTA AND SUBSIDIARIES
STATEMENT OF COMPUTATION OF
RATIO OF EARNINGS TO FIXED CHARGES
(amounts in thousands, except ratio)
| | | Nine Months Ended | | | | | | | | | | | | | | | | |
| | | Sept. 30, | | | Year Ended Dec. 31 | |
| | | 2013 | | | 2012 | | | 2011 | | | 2010 | | | 2009 | | | 2008 | |
| Earnings, as defined: | | | | | | | | | | | | | | | | | | |
| Pretax income from operations | | $ | 486,180 | | | $ | 515,665 | | | $ | 544,630 | | | $ | 455,416 | | | $ | 468,891 | | | $ | 463,377 | |
| Add: Fixed charges | | | 172,495 | | | | 243,317 | | | | 249,587 | | | | 243,620 | | | | 239,022 | | | | 240,539 | |
| Total earnings, as defined | | $ | 658,675 | | | $ | 758,982 | | | $ | 794,217 | | | $ | 699,036 | | | $ | 707,913 | | | $ | 703,916 | |
| | | | | | | | | | | | | | | | | | | | | | | | |
| Fixed charges, as defined: | | | | | | | | | | | | | | | | | | | | | | | | |
| Interest charges | | $ | 141,898 | | | $ | 201,158 | | | $ | 208,003 | | | $ | 201,431 | | | $ | 194,808 | | | $ | 198,369 | |
| Interest component of leases | | | 30,597 | | | | 42,159 | | | | 41,584 | | | | 42,189 | | | | 44,214 | | | | 42,170 | |
| Total fixed charges, as defined | | $ | 172,495 | | | $ | 243,317 | | | $ | 249,587 | | | $ | 243,620 | | | $ | 239,022 | | | $ | 240,539 | |
| Ratio of earnings to fixed charges | | | 3.8 | | | | 3.1 | | | | 3.2 | | | | 2.9 | | | | 3.0 | | | | 2.9 | |
