How Much Can Solar Save in Grand Tower?
Real numbers based on current Ameren Illinois rates and Illinois incentives.
$101
Current Bill/mo
$124
Est. Lease + Battery
6.2 yrs
Payback Period
$31,781
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
$101
Annual Cost
$1,212
25-Year Cost (No Solar)
$66,496
Your Solar Investment
4.5 kW System
$13,050
$7,196
After All IL Incentives
DG Rebate ($300/kW)-$1,350
Illinois Shines RECs (lump sum, ~18 mo)-$4,504
With vs Without Solar in Grand Tower
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $101/mo | $79/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | +$4/mo |
| 5-Year Cost | $6,545 | $4,740 |
| 25-Year Cost | $66,496 | $34,715 |
| 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
$31,781
Without Solar
With Solar
Year 1Payback Year
$1,212
$1,159
Year 5
$6,832
$1,486
Year 10
$15,975
$8,084
Year 15
$28,210
$15,552
Year 20
$44,584
$24,257
Year 25
$66,496
$34,715
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1Payback | $1,212 | $1,159 | $53 |
| Year 2 | $2,497 | -$2,168 | $4,664 |
| Year 3 | $3,859 | -$971 | $4,829 |
| Year 4 | $5,302 | $246 | $5,056 |
| Year 5 | $6,832 | $1,486 | $5,346 |
| Year 6 | $8,454 | $2,750 | $5,704 |
| Year 7 | $10,173 | $4,040 | $6,134 |
| Year 8 | $11,996 | $5,357 | $6,638 |
| Year 9 | $13,927 | $6,705 | $7,223 |
| Year 10 | $15,975 | $8,084 | $7,891 |
| Year 11 | $18,146 | $9,498 | $8,647 |
| Year 12 | $20,446 | $10,949 | $9,497 |
| Year 13 | $22,885 | $12,440 | $10,445 |
| Year 14 | $25,470 | $13,973 | $11,497 |
| Year 15 | $28,210 | $15,552 | $12,659 |
| Year 16 | $31,115 | $17,180 | $13,935 |
| Year 17 | $34,194 | $18,861 | $15,333 |
| Year 18 | $37,458 | $20,598 | $16,860 |
| Year 19 | $40,917 | $22,395 | $18,522 |
| Year 20 | $44,584 | $24,257 | $20,327 |
| Year 21 | $48,471 | $26,189 | $22,282 |
| Year 22 | $52,591 | $28,195 | $24,396 |
| Year 23 | $56,959 | $30,281 | $26,678 |
| Year 24 | $61,588 | $32,452 | $29,136 |
| Year 25 | $66,496 | $34,715 | $31,781 |
Start Saving in Grand Tower
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Ameren Illinois rates projected to rise again next year. Lock in savings now.