How Much Can Solar Save in Wilsonville?
Real numbers based on current Ameren Illinois rates and Illinois incentives.
$114
Current Bill/mo
$134
Est. Lease + Battery
6.3 yrs
Payback Period
$37,457
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
$114
Annual Cost
$1,368
25-Year Cost (No Solar)
$75,055
Your Solar Investment
5.5 kW System
$15,950
$8,795
After All IL Incentives
DG Rebate ($300/kW)-$1,650
Illinois Shines RECs (lump sum, ~18 mo)-$5,505
With vs Without Solar in Wilsonville
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $114/mo | $97/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | +$3/mo |
| 5-Year Cost | $7,387 | $5,820 |
| 25-Year Cost | $75,055 | $37,598 |
| 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
$37,457
Without Solar
With Solar
Year 1Payback Year
$1,368
$1,331
Year 5
$7,712
$1,329
Year 10
$18,031
$8,737
Year 15
$31,842
$16,978
Year 20
$50,323
$26,424
Year 25
$75,055
$37,597
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1Payback | $1,368 | $1,331 | $37 |
| Year 2 | $2,818 | -$2,827 | $5,645 |
| Year 3 | $4,355 | -$1,461 | $5,817 |
| Year 4 | $5,984 | -$77 | $6,061 |
| Year 5 | $7,712 | $1,329 | $6,382 |
| Year 6 | $9,542 | $2,758 | $6,784 |
| Year 7 | $11,483 | $4,211 | $7,272 |
| Year 8 | $13,540 | $5,690 | $7,849 |
| Year 9 | $15,720 | $7,198 | $8,522 |
| Year 10 | $18,031 | $8,737 | $9,295 |
| Year 11 | $20,481 | $10,308 | $10,173 |
| Year 12 | $23,078 | $11,915 | $11,163 |
| Year 13 | $25,831 | $13,561 | $12,270 |
| Year 14 | $28,749 | $15,247 | $13,501 |
| Year 15 | $31,842 | $16,978 | $14,863 |
| Year 16 | $35,120 | $18,757 | $16,363 |
| Year 17 | $38,595 | $20,587 | $18,008 |
| Year 18 | $42,279 | $22,472 | $19,807 |
| Year 19 | $46,184 | $24,416 | $21,767 |
| Year 20 | $50,323 | $26,424 | $23,898 |
| Year 21 | $54,710 | $28,501 | $26,209 |
| Year 22 | $59,361 | $30,651 | $28,710 |
| Year 23 | $64,290 | $32,879 | $31,411 |
| Year 24 | $69,516 | $35,193 | $34,323 |
| Year 25 | $75,055 | $37,597 | $37,457 |
Start Saving in Wilsonville
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