How Much Can Solar Save in Vergennes?
Real numbers based on current Ameren Illinois rates and Illinois incentives.
$117
Current Bill/mo
$134
Est. Lease + Battery
6.9 yrs
Payback Period
$34,587
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
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 Vergennes
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $117/mo | $105/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | $-7/mo |
| 5-Year Cost | $7,582 | $6,300 |
| 25-Year Cost | $77,030 | $42,443 |
| 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
$34,587
Without Solar
With Solar
Year 1
$1,404
$1,487
Year 2Payback Year
$2,892
-$3,012
Year 5
$7,914
$1,640
Year 10
$18,506
$9,951
Year 15
$32,679
$19,220
Year 20
$51,647
$29,859
Year 25
$77,030
$42,443
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1 | $1,404 | $1,487 | -$83 |
| Year 2Payback | $2,892 | -$3,012 | $5,905 |
| Year 3 | $4,470 | -$1,485 | $5,955 |
| Year 4 | $6,142 | $65 | $6,077 |
| Year 5 | $7,914 | $1,640 | $6,275 |
| Year 6 | $9,793 | $3,241 | $6,553 |
| Year 7 | $11,785 | $4,870 | $6,915 |
| Year 8 | $13,896 | $6,530 | $7,366 |
| Year 9 | $16,134 | $8,223 | $7,911 |
| Year 10 | $18,506 | $9,951 | $8,555 |
| Year 11 | $21,020 | $11,717 | $9,304 |
| Year 12 | $23,685 | $13,523 | $10,162 |
| Year 13 | $26,511 | $15,374 | $11,136 |
| Year 14 | $29,505 | $17,272 | $12,233 |
| Year 15 | $32,679 | $19,220 | $13,460 |
| Year 16 | $36,044 | $21,222 | $14,822 |
| Year 17 | $39,611 | $23,283 | $16,328 |
| Year 18 | $43,392 | $25,406 | $17,985 |
| Year 19 | $47,399 | $27,596 | $19,803 |
| Year 20 | $51,647 | $29,859 | $21,788 |
| Year 21 | $56,150 | $32,198 | $23,952 |
| Year 22 | $60,923 | $34,620 | $26,303 |
| Year 23 | $65,982 | $37,130 | $28,852 |
| Year 24 | $71,345 | $39,736 | $31,609 |
| Year 25 | $77,030 | $42,443 | $34,587 |
Start Saving in Vergennes
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Ameren Illinois rates projected to rise again next year. Lock in savings now.