How Much Can Solar Save in Centralia?
Real numbers based on current Ameren Illinois rates and Illinois incentives.
$117
Current Bill/mo
$132
Est. Lease + Battery
6.6 yrs
Payback Period
$34,924
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
$117
Annual Cost
$1,404
25-Year Cost (No Solar)
$77,030
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 Centralia
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $117/mo | $97/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | $-1/mo |
| 5-Year Cost | $7,582 | $5,820 |
| 25-Year Cost | $77,030 | $42,106 |
| 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
$34,924
Without Solar
With Solar
Year 1
$1,404
$1,416
Year 2Payback Year
$2,892
-$2,651
Year 5
$7,914
$1,810
Year 10
$18,506
$9,851
Year 15
$32,679
$18,928
Year 20
$51,647
$29,477
Year 25
$77,030
$42,106
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1 | $1,404 | $1,416 | -$12 |
| Year 2Payback | $2,892 | -$2,651 | $5,543 |
| Year 3 | $4,470 | -$1,189 | $5,659 |
| Year 4 | $6,142 | $297 | $5,845 |
| Year 5 | $7,914 | $1,810 | $6,105 |
| Year 6 | $9,793 | $3,351 | $6,442 |
| Year 7 | $11,785 | $4,924 | $6,861 |
| Year 8 | $13,896 | $6,530 | $7,366 |
| Year 9 | $16,134 | $8,171 | $7,963 |
| Year 10 | $18,506 | $9,851 | $8,655 |
| Year 11 | $21,020 | $11,571 | $9,449 |
| Year 12 | $23,685 | $13,336 | $10,349 |
| Year 13 | $26,511 | $15,148 | $11,362 |
| Year 14 | $29,505 | $17,011 | $12,494 |
| Year 15 | $32,679 | $18,928 | $13,751 |
| Year 16 | $36,044 | $20,904 | $15,141 |
| Year 17 | $39,611 | $22,942 | $16,669 |
| Year 18 | $43,392 | $25,047 | $18,345 |
| Year 19 | $47,399 | $27,224 | $20,176 |
| Year 20 | $51,647 | $29,477 | $22,170 |
| Year 21 | $56,150 | $31,813 | $24,336 |
| Year 22 | $60,923 | $34,238 | $26,685 |
| Year 23 | $65,982 | $36,757 | $29,225 |
| Year 24 | $71,345 | $39,377 | $31,968 |
| Year 25 | $77,030 | $42,106 | $34,924 |
Start Saving in Centralia
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Ameren Illinois rates projected to rise again next year. Lock in savings now.