How Much Can Solar Save in Mascoutah?
Real numbers based on current Ameren Illinois rates and Illinois incentives.
$150
Current Bill/mo
$151
Est. Lease + Battery
7.5 yrs
Payback Period
$40,632
25-Year Savings
What You're Paying Now
Without solar, here's what Ameren Illinois electricity will cost you over time at 6% annual rate increases.
Monthly Bill
$150
Annual Cost
$1,800
25-Year Cost (No Solar)
$98,756
Your Solar Investment
8.5 kW System
$24,650
$13,592
After All IL Incentives
DG Rebate ($300/kW)-$2,550
Illinois Shines RECs (lump sum, ~18 mo)-$8,508
With vs Without Solar in Mascoutah
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $150/mo | $149/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | $-23/mo |
| 5-Year Cost | $9,720 | $8,940 |
| 25-Year Cost | $98,756 | $58,124 |
| Rate Control | None — utility sets rates | Fixed at $0.10/kWh (avg.) for 15 years |
| Home Value Impact | None | +$15,000–$25,000 (tax-exempt) |
Your Solar Savings Over Time
Estimated 25-Year Total Savings
$40,632
Without Solar
With Solar
Year 1
$1,800
$2,081
Year 2Payback Year
$3,708
-$4,320
Year 5
$10,147
$2,173
Year 10
$23,725
$13,716
Year 15
$41,897
$26,500
Year 20
$66,214
$41,055
Year 25
$98,756
$58,124
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1 | $1,800 | $2,081 | -$281 |
| Year 2Payback | $3,708 | -$4,320 | $8,028 |
| Year 3 | $5,730 | -$2,186 | $7,917 |
| Year 4 | $7,874 | -$23 | $7,897 |
| Year 5 | $10,147 | $2,173 | $7,974 |
| Year 6 | $12,556 | $4,402 | $8,153 |
| Year 7 | $15,109 | $6,668 | $8,441 |
| Year 8 | $17,815 | $8,974 | $8,841 |
| Year 9 | $20,684 | $11,322 | $9,362 |
| Year 10 | $23,725 | $13,716 | $10,009 |
| Year 11 | $26,949 | $16,160 | $10,789 |
| Year 12 | $30,366 | $18,656 | $11,710 |
| Year 13 | $33,988 | $21,208 | $12,780 |
| Year 14 | $37,827 | $23,822 | $14,006 |
| Year 15 | $41,897 | $26,500 | $15,396 |
| Year 16 | $46,211 | $29,249 | $16,961 |
| Year 17 | $50,783 | $32,074 | $18,710 |
| Year 18 | $55,630 | $34,979 | $20,651 |
| Year 19 | $60,768 | $37,970 | $22,798 |
| Year 20 | $66,214 | $41,055 | $25,159 |
| Year 21 | $71,987 | $44,239 | $27,748 |
| Year 22 | $78,106 | $47,530 | $30,576 |
| Year 23 | $84,592 | $50,936 | $33,657 |
| Year 24 | $91,468 | $54,464 | $37,004 |
| Year 25 | $98,756 | $58,124 | $40,632 |
Start Saving in Mascoutah
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