How Much Can Solar Save in Troy?
Real numbers based on current Ameren Illinois rates and Illinois incentives.
$159
Current Bill/mo
$156
Est. Lease + Battery
6.4 yrs
Payback Period
$49,951
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
$159
Annual Cost
$1,908
25-Year Cost (No Solar)
$104,681
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 Troy
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $159/mo | $132/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | +$2/mo |
| 5-Year Cost | $10,303 | $7,920 |
| 25-Year Cost | $104,681 | $54,730 |
| 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
$49,951
Without Solar
With Solar
Year 1Payback Year
$1,908
$1,879
Year 5
$10,756
$2,176
Year 10
$25,149
$12,759
Year 15
$44,411
$24,637
Year 20
$70,187
$38,368
Year 25
$104,681
$54,731
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1Payback | $1,908 | $1,879 | $29 |
| Year 2 | $3,930 | -$3,722 | $7,652 |
| Year 3 | $6,074 | -$1,787 | $7,862 |
| Year 4 | $8,347 | $178 | $8,169 |
| Year 5 | $10,756 | $2,176 | $8,580 |
| Year 6 | $13,309 | $4,210 | $9,099 |
| Year 7 | $16,015 | $6,282 | $9,734 |
| Year 8 | $18,884 | $8,395 | $10,489 |
| Year 9 | $21,925 | $10,553 | $11,372 |
| Year 10 | $25,149 | $12,759 | $12,390 |
| Year 11 | $28,566 | $15,016 | $13,550 |
| Year 12 | $32,188 | $17,328 | $14,860 |
| Year 13 | $36,027 | $19,699 | $16,328 |
| Year 14 | $40,097 | $22,134 | $17,963 |
| Year 15 | $44,411 | $24,637 | $19,773 |
| Year 16 | $48,983 | $27,214 | $21,769 |
| Year 17 | $53,830 | $29,869 | $23,961 |
| Year 18 | $58,968 | $32,609 | $26,359 |
| Year 19 | $64,414 | $35,440 | $28,974 |
| Year 20 | $70,187 | $38,368 | $31,819 |
| Year 21 | $76,306 | $41,400 | $34,906 |
| Year 22 | $82,792 | $44,544 | $38,249 |
| Year 23 | $89,668 | $47,808 | $41,860 |
| Year 24 | $96,956 | $51,200 | $45,756 |
| Year 25 | $104,681 | $54,731 | $49,951 |
Start Saving in Troy
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Ameren Illinois rates projected to rise again next year. Lock in savings now.