| Year |
Kansas |
Missouri |
| 1987 |
2.0% Rate Decrease |
No Change |
| 1988 |
4.85% Rate Decrease |
2.21% Rate Increase |
| 1989 |
ECA Eliminated
(Energy Cost Adjustment) |
No Change |
| 1990 |
No Change |
No Change |
| 1991 |
No Change |
No Change |
| 1992 |
No Change |
No Change |
| 1993 |
No Change |
No Change |
| 1994 |
No Change |
2.67% Rate Decrease |
| 1995 |
No Change |
No Change |
| 1996 |
No Change |
2.0% Revenue Decrease
(1996 Rates Redesigned) |
| 1997 |
No Change |
2.5% Rate Decrease |
| 1998 |
4.2% Refund
(Rates Redesigned) |
No Change |
| 1999 |
4.8% Rate Decrease
(Rates Redesigned) |
3.2% Rate Decrease |
| 2000 |
No Change |
No Change |
| 2001 |
No Change |
No Change |
| 2002 |
No Change |
No Change |
| 2003 |
3.237% Rate Decrease |
No Change |
| 2004 |
No Change
(Frozen) |
No Change |
| 2005 |
No Change
(Frozen) |
No Change |
| 2006 |
No Change |
No Change |
| 2007 |
7.4% Rate Increase |
10% Rate Increase |
| 2008 |
10.8% requested |
8.3% requested |
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Interesting Fact: In 1987 the average residential customer used 8,917 kWh per year, compared to 12,250 kWh per year in 2005 - approx. $230 difference in electricity usage from '87 to '05.
View Energy Prices vs. CPI chart
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