How Much Can Solar Save in Illiopolis?
Real numbers based on current Ameren Illinois rates and Illinois incentives.
$119
Current Bill/mo
$138
Est. Lease + Battery
6.1 yrs
Payback Period
$40,955
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
$119
Annual Cost
$1,428
25-Year Cost (No Solar)
$78,347
Your Solar Investment
5.5 kW System
$15,950
$8,795
After All IL Incentives
DG Rebate ($300/kW)-$1,650
Illinois Shines RECs (lump sum, ~18 mo)-$5,505
With vs Without Solar in Illiopolis
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $119/mo | $97/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | +$9/mo |
| 5-Year Cost | $7,711 | $5,820 |
| 25-Year Cost | $78,347 | $37,392 |
| 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
$40,955
Without Solar
With Solar
Year 1Payback Year
$1,428
$1,322
Year 5
$8,050
$1,285
Year 10
$18,822
$8,645
Year 15
$33,238
$16,840
Year 20
$52,530
$26,245
Year 25
$78,347
$37,392
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1Payback | $1,428 | $1,322 | $106 |
| Year 2 | $2,942 | -$2,844 | $5,786 |
| Year 3 | $4,546 | -$1,488 | $6,034 |
| Year 4 | $6,247 | -$112 | $6,359 |
| Year 5 | $8,050 | $1,285 | $6,765 |
| Year 6 | $9,961 | $2,704 | $7,257 |
| Year 7 | $11,986 | $4,147 | $7,839 |
| Year 8 | $14,134 | $5,617 | $8,516 |
| Year 9 | $16,410 | $7,116 | $9,294 |
| Year 10 | $18,822 | $8,645 | $10,177 |
| Year 11 | $21,380 | $10,207 | $11,173 |
| Year 12 | $24,090 | $11,805 | $12,286 |
| Year 13 | $26,964 | $13,441 | $13,523 |
| Year 14 | $30,010 | $15,118 | $14,892 |
| Year 15 | $33,238 | $16,840 | $16,398 |
| Year 16 | $36,660 | $18,610 | $18,051 |
| Year 17 | $40,288 | $20,431 | $19,857 |
| Year 18 | $44,133 | $22,308 | $21,825 |
| Year 19 | $48,209 | $24,245 | $23,965 |
| Year 20 | $52,530 | $26,245 | $26,285 |
| Year 21 | $57,110 | $28,315 | $28,795 |
| Year 22 | $61,964 | $30,459 | $31,505 |
| Year 23 | $67,110 | $32,682 | $34,428 |
| Year 24 | $72,565 | $34,991 | $37,574 |
| Year 25 | $78,347 | $37,392 | $40,955 |
Start Saving in Illiopolis
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Ameren Illinois rates projected to rise again next year. Lock in savings now.