How Much Can Solar Save in Vandalia?
Real numbers based on current Ameren Illinois rates and Illinois incentives.
$117
Current Bill/mo
$131
Est. Lease + Battery
6.1 yrs
Payback Period
$36,769
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 kW System
$14,500
$7,995
After All IL Incentives
DG Rebate ($300/kW)-$1,500
Illinois Shines RECs (lump sum, ~18 mo)-$5,005
With vs Without Solar in Vandalia
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $117/mo | $88/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | +$7/mo |
| 5-Year Cost | $7,582 | $5,280 |
| 25-Year Cost | $77,030 | $40,261 |
| 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
$36,769
Without Solar
With Solar
Year 1Payback Year
$1,404
$1,317
Year 5
$7,914
$1,815
Year 10
$18,506
$9,370
Year 15
$32,679
$17,975
Year 20
$51,647
$28,067
Year 25
$77,030
$40,261
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1Payback | $1,404 | $1,317 | $87 |
| Year 2 | $2,892 | -$2,350 | $5,242 |
| Year 3 | $4,470 | -$987 | $5,457 |
| Year 4 | $6,142 | $400 | $5,742 |
| Year 5 | $7,914 | $1,815 | $6,100 |
| Year 6 | $9,793 | $3,258 | $6,535 |
| Year 7 | $11,785 | $4,733 | $7,052 |
| Year 8 | $13,896 | $6,242 | $7,654 |
| Year 9 | $16,134 | $7,787 | $8,347 |
| Year 10 | $18,506 | $9,370 | $9,136 |
| Year 11 | $21,020 | $10,995 | $10,025 |
| Year 12 | $23,685 | $12,665 | $11,021 |
| Year 13 | $26,511 | $14,382 | $12,128 |
| Year 14 | $29,505 | $16,151 | $13,354 |
| Year 15 | $32,679 | $17,975 | $14,705 |
| Year 16 | $36,044 | $19,858 | $16,187 |
| Year 17 | $39,611 | $21,804 | $17,807 |
| Year 18 | $43,392 | $23,817 | $19,574 |
| Year 19 | $47,399 | $25,903 | $21,496 |
| Year 20 | $51,647 | $28,067 | $23,580 |
| Year 21 | $56,150 | $30,315 | $25,835 |
| Year 22 | $60,923 | $32,651 | $28,272 |
| Year 23 | $65,982 | $35,083 | $30,899 |
| Year 24 | $71,345 | $37,617 | $33,728 |
| Year 25 | $77,030 | $40,261 | $36,769 |
Start Saving in Vandalia
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Ameren Illinois rates projected to rise again next year. Lock in savings now.