How Much Can Solar Save in Prairie du Rocher?
Real numbers based on current Ameren Illinois rates and Illinois incentives.
$118
Current Bill/mo
$137
Est. Lease + Battery
6.6 yrs
Payback Period
$37,696
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
$118
Annual Cost
$1,416
25-Year Cost (No Solar)
$77,688
Your Solar Investment
6 kW System
$17,400
$9,595
After All IL Incentives
DG Rebate ($300/kW)-$1,800
Illinois Shines RECs (lump sum, ~18 mo)-$6,005
With vs Without Solar in Prairie du Rocher
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $118/mo | $105/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | $-2/mo |
| 5-Year Cost | $7,646 | $6,300 |
| 25-Year Cost | $77,688 | $39,992 |
| 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
$37,696
Without Solar
With Solar
Year 1
$1,416
$1,438
Year 2Payback Year
$2,917
-$3,113
Year 5
$7,982
$1,367
Year 10
$18,664
$9,324
Year 15
$32,959
$18,134
Year 20
$52,088
$28,178
Year 25
$77,688
$39,992
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1 | $1,416 | $1,438 | -$22 |
| Year 2Payback | $2,917 | -$3,113 | $6,030 |
| Year 3 | $4,508 | -$1,640 | $6,148 |
| Year 4 | $6,194 | -$147 | $6,342 |
| Year 5 | $7,982 | $1,367 | $6,615 |
| Year 6 | $9,877 | $2,904 | $6,973 |
| Year 7 | $11,886 | $4,467 | $7,419 |
| Year 8 | $14,015 | $6,056 | $7,959 |
| Year 9 | $16,272 | $7,674 | $8,597 |
| Year 10 | $18,664 | $9,324 | $9,340 |
| Year 11 | $21,200 | $11,007 | $10,192 |
| Year 12 | $23,888 | $12,727 | $11,160 |
| Year 13 | $26,737 | $14,486 | $12,251 |
| Year 14 | $29,757 | $16,288 | $13,470 |
| Year 15 | $32,959 | $18,134 | $14,824 |
| Year 16 | $36,352 | $20,030 | $16,322 |
| Year 17 | $39,949 | $21,978 | $17,971 |
| Year 18 | $43,762 | $23,983 | $19,780 |
| Year 19 | $47,804 | $26,048 | $21,756 |
| Year 20 | $52,088 | $28,178 | $23,910 |
| Year 21 | $56,630 | $30,379 | $26,251 |
| Year 22 | $61,443 | $32,655 | $28,789 |
| Year 23 | $66,546 | $35,012 | $31,535 |
| Year 24 | $71,955 | $37,455 | $34,500 |
| Year 25 | $77,688 | $39,992 | $37,696 |
Start Saving in Prairie du Rocher
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