How Much Can Solar Save in St. Rose?
Real numbers based on current Ameren Illinois rates and Illinois incentives.
$147
Current Bill/mo
$151
Est. Lease + Battery
6.4 yrs
Payback Period
$47,025
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
$147
Annual Cost
$1,764
25-Year Cost (No Solar)
$96,781
Your Solar Investment
7 kW System
$20,300
$11,194
After All IL Incentives
DG Rebate ($300/kW)-$2,100
Illinois Shines RECs (lump sum, ~18 mo)-$7,006
With vs Without Solar in St. Rose
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $147/mo | $123/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | +$3/mo |
| 5-Year Cost | $9,526 | $7,380 |
| 25-Year Cost | $96,781 | $49,756 |
| 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
$47,025
Without Solar
With Solar
Year 1Payback Year
$1,764
$1,729
Year 5
$9,944
$1,892
Year 10
$23,251
$11,585
Year 15
$41,059
$22,427
Year 20
$64,890
$34,917
Year 25
$96,781
$49,756
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1Payback | $1,764 | $1,729 | $35 |
| Year 2 | $3,634 | -$3,524 | $7,158 |
| Year 3 | $5,616 | -$1,746 | $7,362 |
| Year 4 | $7,717 | $58 | $7,658 |
| Year 5 | $9,944 | $1,892 | $8,051 |
| Year 6 | $12,304 | $3,758 | $8,547 |
| Year 7 | $14,807 | $5,657 | $9,150 |
| Year 8 | $17,459 | $7,593 | $9,866 |
| Year 9 | $20,271 | $9,568 | $10,703 |
| Year 10 | $23,251 | $11,585 | $11,666 |
| Year 11 | $26,410 | $13,648 | $12,762 |
| Year 12 | $29,759 | $15,760 | $13,999 |
| Year 13 | $33,308 | $17,924 | $15,384 |
| Year 14 | $37,071 | $20,145 | $16,925 |
| Year 15 | $41,059 | $22,427 | $18,632 |
| Year 16 | $45,286 | $24,774 | $20,512 |
| Year 17 | $49,768 | $27,191 | $22,577 |
| Year 18 | $54,518 | $29,683 | $24,834 |
| Year 19 | $59,553 | $32,257 | $27,296 |
| Year 20 | $64,890 | $34,917 | $29,973 |
| Year 21 | $70,547 | $37,670 | $32,878 |
| Year 22 | $76,544 | $40,523 | $36,021 |
| Year 23 | $82,901 | $43,483 | $39,418 |
| Year 24 | $89,639 | $46,558 | $43,081 |
| Year 25 | $96,781 | $49,756 | $47,025 |
Start Saving in St. Rose
Get a free, personalized solar analysis based on your actual Ameren Illinois bill and roof. Lease or own — we'll find the best option.
✓ $0 down lease available — save from day 1 with no upfront cost
Ameren Illinois rates projected to rise again next year. Lock in savings now.