How Much Can Solar Save in Royal?
Real numbers based on current Ameren Illinois rates and Illinois incentives.
$134
Current Bill/mo
$144
Est. Lease + Battery
6.5 yrs
Payback Period
$41,972
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
$134
Annual Cost
$1,608
25-Year Cost (No Solar)
$88,222
Your Solar Investment
6.5 kW System
$18,850
$10,394
After All IL Incentives
DG Rebate ($300/kW)-$1,950
Illinois Shines RECs (lump sum, ~18 mo)-$6,506
With vs Without Solar in Royal
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $134/mo | $114/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | +$0/mo |
| 5-Year Cost | $8,683 | $6,840 |
| 25-Year Cost | $88,222 | $46,250 |
| 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
$41,972
Without Solar
With Solar
Year 1
$1,608
$1,609
Year 2Payback Year
$3,312
-$3,266
Year 5
$9,064
$1,773
Year 10
$21,195
$10,790
Year 15
$37,428
$20,870
Year 20
$59,151
$32,474
Year 25
$88,222
$46,250
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1 | $1,608 | $1,609 | -$1 |
| Year 2Payback | $3,312 | -$3,266 | $6,579 |
| Year 3 | $5,119 | -$1,612 | $6,732 |
| Year 4 | $7,034 | $67 | $6,968 |
| Year 5 | $9,064 | $1,773 | $7,291 |
| Year 6 | $11,216 | $3,509 | $7,708 |
| Year 7 | $13,497 | $5,275 | $8,222 |
| Year 8 | $15,915 | $7,076 | $8,839 |
| Year 9 | $18,478 | $8,913 | $9,565 |
| Year 10 | $21,195 | $10,790 | $10,405 |
| Year 11 | $24,074 | $12,708 | $11,366 |
| Year 12 | $27,127 | $14,672 | $12,455 |
| Year 13 | $30,362 | $16,684 | $13,678 |
| Year 14 | $33,792 | $18,749 | $15,043 |
| Year 15 | $37,428 | $20,870 | $16,558 |
| Year 16 | $41,281 | $23,051 | $18,230 |
| Year 17 | $45,366 | $25,297 | $20,069 |
| Year 18 | $49,696 | $27,613 | $22,083 |
| Year 19 | $54,286 | $30,003 | $24,283 |
| Year 20 | $59,151 | $32,474 | $26,677 |
| Year 21 | $64,308 | $35,031 | $29,277 |
| Year 22 | $69,775 | $37,680 | $32,095 |
| Year 23 | $75,569 | $40,428 | $35,141 |
| Year 24 | $81,711 | $43,282 | $38,429 |
| Year 25 | $88,222 | $46,250 | $41,972 |
Start Saving in Royal
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Ameren Illinois rates projected to rise again next year. Lock in savings now.