How Much Can Solar Save in Congerville?
Real numbers based on current Ameren Illinois rates and Illinois incentives.
$146
Current Bill/mo
$152
Est. Lease + Battery
7.4 yrs
Payback Period
$41,836
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
$146
Annual Cost
$1,752
25-Year Cost (No Solar)
$96,123
Your Solar Investment
8.5 kW System
$24,650
$13,592
After All IL Incentives
DG Rebate ($300/kW)-$2,550
Illinois Shines RECs (lump sum, ~18 mo)-$8,508
With vs Without Solar in Congerville
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $146/mo | $149/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | $-21/mo |
| 5-Year Cost | $9,461 | $8,940 |
| 25-Year Cost | $96,123 | $54,287 |
| 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
$41,836
Without Solar
With Solar
Year 1
$1,752
$2,010
Year 2Payback Year
$3,609
-$4,468
Year 5
$9,876
$1,770
Year 10
$23,093
$12,780
Year 15
$40,779
$24,855
Year 20
$64,448
$38,468
Year 25
$96,123
$54,287
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1 | $1,752 | $2,010 | -$258 |
| Year 2Payback | $3,609 | -$4,468 | $8,077 |
| Year 3 | $5,578 | -$2,414 | $7,991 |
| Year 4 | $7,664 | -$335 | $7,999 |
| Year 5 | $9,876 | $1,770 | $8,106 |
| Year 6 | $12,221 | $3,905 | $8,316 |
| Year 7 | $14,706 | $6,070 | $8,636 |
| Year 8 | $17,340 | $8,270 | $9,071 |
| Year 9 | $20,133 | $10,505 | $9,628 |
| Year 10 | $23,093 | $12,780 | $10,313 |
| Year 11 | $26,230 | $15,097 | $11,133 |
| Year 12 | $29,556 | $17,459 | $12,097 |
| Year 13 | $33,082 | $19,871 | $13,211 |
| Year 14 | $36,818 | $22,334 | $14,484 |
| Year 15 | $40,779 | $24,855 | $15,925 |
| Year 16 | $44,978 | $27,436 | $17,542 |
| Year 17 | $49,429 | $30,083 | $19,346 |
| Year 18 | $54,147 | $32,801 | $21,346 |
| Year 19 | $59,148 | $35,594 | $23,554 |
| Year 20 | $64,448 | $38,468 | $25,980 |
| Year 21 | $70,067 | $41,430 | $28,637 |
| Year 22 | $76,023 | $44,486 | $31,538 |
| Year 23 | $82,337 | $47,642 | $34,695 |
| Year 24 | $89,029 | $50,906 | $38,122 |
| Year 25 | $96,123 | $54,287 | $41,836 |
Start Saving in Congerville
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Ameren Illinois rates projected to rise again next year. Lock in savings now.