How Much Can Solar Save in Royalton?
Real numbers based on current Ameren Illinois rates and Illinois incentives.
$109
Current Bill/mo
$127
Est. Lease + Battery
5.9 yrs
Payback Period
$34,875
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
$109
Annual Cost
$1,308
25-Year Cost (No Solar)
$71,763
Your Solar Investment
4.5 kW System
$13,050
$7,196
After All IL Incentives
DG Rebate ($300/kW)-$1,350
Illinois Shines RECs (lump sum, ~18 mo)-$4,504
With vs Without Solar in Royalton
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $109/mo | $79/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | +$9/mo |
| 5-Year Cost | $7,063 | $4,740 |
| 25-Year Cost | $71,763 | $36,888 |
| 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
$34,875
Without Solar
With Solar
Year 1Payback Year
$1,308
$1,195
Year 5
$7,373
$1,689
Year 10
$17,240
$8,569
Year 15
$30,445
$16,429
Year 20
$48,116
$25,678
Year 25
$71,763
$36,888
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1Payback | $1,308 | $1,195 | $113 |
| Year 2 | $2,694 | -$2,095 | $4,789 |
| Year 3 | $4,164 | -$858 | $5,022 |
| Year 4 | $5,722 | $403 | $5,319 |
| Year 5 | $7,373 | $1,689 | $5,685 |
| Year 6 | $9,124 | $3,002 | $6,122 |
| Year 7 | $10,979 | $4,344 | $6,635 |
| Year 8 | $12,946 | $5,718 | $7,228 |
| Year 9 | $15,031 | $7,125 | $7,905 |
| Year 10 | $17,240 | $8,569 | $8,672 |
| Year 11 | $19,583 | $10,051 | $9,532 |
| Year 12 | $22,066 | $11,575 | $10,491 |
| Year 13 | $24,698 | $13,144 | $11,554 |
| Year 14 | $27,488 | $14,761 | $12,727 |
| Year 15 | $30,445 | $16,429 | $14,016 |
| Year 16 | $33,580 | $18,152 | $15,428 |
| Year 17 | $36,902 | $19,934 | $16,969 |
| Year 18 | $40,425 | $21,779 | $18,645 |
| Year 19 | $44,158 | $23,692 | $20,466 |
| Year 20 | $48,116 | $25,678 | $22,438 |
| Year 21 | $52,310 | $27,741 | $24,569 |
| Year 22 | $56,757 | $29,888 | $26,869 |
| Year 23 | $61,471 | $32,124 | $29,347 |
| Year 24 | $66,467 | $34,455 | $32,012 |
| Year 25 | $71,763 | $36,888 | $34,875 |
Start Saving in Royalton
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Ameren Illinois rates projected to rise again next year. Lock in savings now.