Exhibit 12 KANSAS CITY POWER & LIGHT COMPANY COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES Twelve months ended September 30 2001 2000 1999 1998 1997 1996 (Thousands) Net income $108,490 $128,631 $81,915 $120,722 $76,560 $108,171 Add: Taxes on income 45,621 53,166 3,180 32,800 8,079 31,753 Kansas City earnings tax 468 421 602 864 392 558 Total taxes on income 46,089 53,587 3,782 33,664 8,471 32,311 Interest on value of leased property 10,570 11,806 8,577 8,482 8,309 8,301 Interest on long-term debt 81,245 60,956 51,327 57,012 60,298 53,939 Interest on short-term debt 10,908 11,537 4,362 295 1,382 1,251 Mandatorily redeemable Preferred Securities 12,450 12,450 12,450 12,450 8,853 Other interest expense and amortization 4,695 2,927 3,573 4,457 3,990 4,840 Total fixed charges 119,868 99,676 80,289 82,696 82,832 68,331 Earnings before taxes on income and fixed charges $274,447 $281,894 $165,986 $237,082 $167,863 $208,813 Ratio of earnings to fixed charges 2.29 2.83 2.07 2.87 2.03 3.06 </Table>