How Much Can Solar Save in Rantoul?
Real numbers based on current Ameren Illinois rates and Illinois incentives.
$122
Current Bill/mo
$136
Est. Lease + Battery
6.2 yrs
Payback Period
$38,890
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
$122
Annual Cost
$1,464
25-Year Cost (No Solar)
$80,322
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 Rantoul
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $122/mo | $97/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | +$5/mo |
| 5-Year Cost | $7,906 | $5,820 |
| 25-Year Cost | $80,322 | $41,432 |
| 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
$38,890
Without Solar
With Solar
Year 1Payback Year
$1,464
$1,399
Year 5
$8,253
$1,714
Year 10
$19,297
$9,640
Year 15
$34,076
$18,584
Year 20
$53,854
$28,978
Year 25
$80,322
$41,431
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1Payback | $1,464 | $1,399 | $65 |
| Year 2 | $3,016 | -$2,687 | $5,703 |
| Year 3 | $4,661 | -$1,245 | $5,906 |
| Year 4 | $6,404 | $221 | $6,183 |
| Year 5 | $8,253 | $1,714 | $6,539 |
| Year 6 | $10,212 | $3,234 | $6,978 |
| Year 7 | $12,289 | $4,784 | $7,504 |
| Year 8 | $14,490 | $6,367 | $8,123 |
| Year 9 | $16,823 | $7,985 | $8,838 |
| Year 10 | $19,297 | $9,640 | $9,656 |
| Year 11 | $21,918 | $11,336 | $10,583 |
| Year 12 | $24,698 | $13,075 | $11,623 |
| Year 13 | $27,643 | $14,860 | $12,783 |
| Year 14 | $30,766 | $16,695 | $14,071 |
| Year 15 | $34,076 | $18,584 | $15,492 |
| Year 16 | $37,585 | $20,530 | $17,054 |
| Year 17 | $41,304 | $22,538 | $18,766 |
| Year 18 | $45,246 | $24,612 | $20,634 |
| Year 19 | $49,425 | $26,757 | $22,668 |
| Year 20 | $53,854 | $28,978 | $24,876 |
| Year 21 | $58,549 | $31,281 | $27,268 |
| Year 22 | $63,526 | $33,671 | $29,855 |
| Year 23 | $68,802 | $36,155 | $32,647 |
| Year 24 | $74,394 | $38,739 | $35,655 |
| Year 25 | $80,322 | $41,431 | $38,890 |
Start Saving in Rantoul
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Ameren Illinois rates projected to rise again next year. Lock in savings now.