How Much Can Solar Save in St. Joseph?
Real numbers based on current Ameren Illinois rates and Illinois incentives.
$158
Current Bill/mo
$159
Est. Lease + Battery
6.3 yrs
Payback Period
$52,019
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
$158
Annual Cost
$1,896
25-Year Cost (No Solar)
$104,023
Your Solar Investment
7.5 kW System
$21,750
$11,993
After All IL Incentives
DG Rebate ($300/kW)-$2,250
Illinois Shines RECs (lump sum, ~18 mo)-$7,507
With vs Without Solar in St. Joseph
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $158/mo | $132/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | +$6/mo |
| 5-Year Cost | $10,238 | $7,920 |
| 25-Year Cost | $104,023 | $52,004 |
| 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
$52,019
Without Solar
With Solar
Year 1Payback Year
$1,896
$1,827
Year 5
$10,688
$1,882
Year 10
$24,991
$12,079
Year 15
$44,131
$23,450
Year 20
$69,745
$36,515
Year 25
$104,023
$52,004
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1Payback | $1,896 | $1,827 | $69 |
| Year 2 | $3,906 | -$3,830 | $7,736 |
| Year 3 | $6,036 | -$1,954 | $7,990 |
| Year 4 | $8,294 | -$51 | $8,345 |
| Year 5 | $10,688 | $1,882 | $8,806 |
| Year 6 | $13,225 | $3,847 | $9,379 |
| Year 7 | $15,915 | $5,846 | $10,069 |
| Year 8 | $18,766 | $7,882 | $10,883 |
| Year 9 | $21,788 | $9,959 | $11,829 |
| Year 10 | $24,991 | $12,079 | $12,912 |
| Year 11 | $28,386 | $14,245 | $14,141 |
| Year 12 | $31,985 | $16,461 | $15,524 |
| Year 13 | $35,801 | $18,732 | $17,069 |
| Year 14 | $39,845 | $21,060 | $18,785 |
| Year 15 | $44,131 | $23,450 | $20,681 |
| Year 16 | $48,675 | $25,908 | $22,767 |
| Year 17 | $53,492 | $28,438 | $25,054 |
| Year 18 | $58,597 | $31,045 | $27,552 |
| Year 19 | $64,009 | $33,735 | $30,274 |
| Year 20 | $69,745 | $36,515 | $33,230 |
| Year 21 | $75,826 | $39,391 | $36,435 |
| Year 22 | $82,272 | $42,370 | $39,902 |
| Year 23 | $89,104 | $45,460 | $43,644 |
| Year 24 | $96,346 | $48,668 | $47,678 |
| Year 25 | $104,023 | $52,004 | $52,019 |
Start Saving in St. Joseph
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