How Much Can Solar Save in Thayer?
Real numbers based on current Ameren Illinois rates and Illinois incentives.
$118
Current Bill/mo
$137
Est. Lease + Battery
7.1 yrs
Payback Period
$35,288
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
$118
Annual Cost
$1,416
25-Year Cost (No Solar)
$77,688
Your Solar Investment
6.5 kW System
$18,850
$10,394
After All IL Incentives
DG Rebate ($300/kW)-$1,950
Illinois Shines RECs (lump sum, ~18 mo)-$6,506
With vs Without Solar in Thayer
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $118/mo | $114/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | $-11/mo |
| 5-Year Cost | $7,646 | $6,840 |
| 25-Year Cost | $77,688 | $42,400 |
| 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
$35,288
Without Solar
With Solar
Year 1
$1,416
$1,548
Year 2Payback Year
$2,917
-$3,392
Year 5
$7,982
$1,423
Year 10
$18,664
$9,946
Year 15
$32,959
$19,335
Year 20
$52,088
$29,972
Year 25
$77,688
$42,400
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1 | $1,416 | $1,548 | -$132 |
| Year 2Payback | $2,917 | -$3,392 | $6,309 |
| Year 3 | $4,508 | -$1,808 | $6,316 |
| Year 4 | $6,194 | -$204 | $6,398 |
| Year 5 | $7,982 | $1,423 | $6,559 |
| Year 6 | $9,877 | $3,072 | $6,805 |
| Year 7 | $11,886 | $4,748 | $7,138 |
| Year 8 | $14,015 | $6,450 | $7,565 |
| Year 9 | $16,272 | $8,182 | $8,090 |
| Year 10 | $18,664 | $9,946 | $8,718 |
| Year 11 | $21,200 | $11,744 | $9,456 |
| Year 12 | $23,888 | $13,579 | $10,309 |
| Year 13 | $26,737 | $15,454 | $11,283 |
| Year 14 | $29,757 | $17,371 | $12,386 |
| Year 15 | $32,959 | $19,335 | $13,624 |
| Year 16 | $36,352 | $21,347 | $15,005 |
| Year 17 | $39,949 | $23,413 | $16,536 |
| Year 18 | $43,762 | $25,537 | $18,226 |
| Year 19 | $47,804 | $27,721 | $20,083 |
| Year 20 | $52,088 | $29,972 | $22,116 |
| Year 21 | $56,630 | $32,294 | $24,336 |
| Year 22 | $61,443 | $34,692 | $26,752 |
| Year 23 | $66,546 | $37,171 | $29,375 |
| Year 24 | $71,955 | $39,739 | $32,216 |
| Year 25 | $77,688 | $42,400 | $35,288 |
Start Saving in Thayer
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