How Much Can Solar Save in Auburn?
Real numbers based on current Ameren Illinois rates and Illinois incentives.
$133
Current Bill/mo
$142
Est. Lease + Battery
6.2 yrs
Payback Period
$43,200
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
$133
Annual Cost
$1,596
25-Year Cost (No Solar)
$87,564
Your Solar Investment
6 kW System
$17,400
$9,595
After All IL Incentives
DG Rebate ($300/kW)-$1,800
Illinois Shines RECs (lump sum, ~18 mo)-$6,005
With vs Without Solar in Auburn
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $133/mo | $105/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | +$7/mo |
| 5-Year Cost | $8,618 | $6,300 |
| 25-Year Cost | $87,564 | $44,364 |
| 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
$43,200
Without Solar
With Solar
Year 1Payback Year
$1,596
$1,509
Year 5
$8,997
$1,779
Year 10
$21,037
$10,307
Year 15
$37,148
$19,908
Year 20
$58,710
$31,044
Year 25
$87,564
$44,363
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1Payback | $1,596 | $1,509 | $87 |
| Year 2 | $3,288 | -$2,964 | $6,252 |
| Year 3 | $5,081 | -$1,409 | $6,490 |
| Year 4 | $6,982 | $171 | $6,811 |
| Year 5 | $8,997 | $1,779 | $7,218 |
| Year 6 | $11,133 | $3,416 | $7,717 |
| Year 7 | $13,397 | $5,085 | $8,312 |
| Year 8 | $15,796 | $6,788 | $9,008 |
| Year 9 | $18,340 | $8,528 | $9,812 |
| Year 10 | $21,037 | $10,307 | $10,729 |
| Year 11 | $23,895 | $12,129 | $11,766 |
| Year 12 | $26,924 | $13,997 | $12,928 |
| Year 13 | $30,136 | $15,913 | $14,223 |
| Year 14 | $33,540 | $17,882 | $15,658 |
| Year 15 | $37,148 | $19,908 | $17,240 |
| Year 16 | $40,973 | $21,995 | $18,978 |
| Year 17 | $45,028 | $24,147 | $20,881 |
| Year 18 | $49,325 | $26,369 | $22,956 |
| Year 19 | $53,881 | $28,666 | $25,215 |
| Year 20 | $58,710 | $31,044 | $27,666 |
| Year 21 | $63,828 | $33,508 | $30,320 |
| Year 22 | $69,254 | $36,066 | $33,188 |
| Year 23 | $75,005 | $38,722 | $36,283 |
| Year 24 | $81,102 | $41,486 | $39,616 |
| Year 25 | $87,564 | $44,363 | $43,200 |
Start Saving in Auburn
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Ameren Illinois rates projected to rise again next year. Lock in savings now.