How Much Can Solar Save in Dunfermline?
Real numbers based on current Ameren Illinois rates and Illinois incentives.
$123
Current Bill/mo
$138
Est. Lease + Battery
7.9 yrs
Payback Period
$32,022
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
$123
Annual Cost
$1,476
25-Year Cost (No Solar)
$80,980
Your Solar Investment
7.5 kW System
$21,750
$11,993
After All IL Incentives
DG Rebate ($300/kW)-$2,250
Illinois Shines RECs (lump sum, ~18 mo)-$7,507
With vs Without Solar in Dunfermline
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $123/mo | $132/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | $-27/mo |
| 5-Year Cost | $7,970 | $7,920 |
| 25-Year Cost | $80,980 | $48,958 |
| 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
$32,022
Without Solar
With Solar
Year 1
$1,476
$1,799
Year 2Payback Year
$3,041
-$3,889
Year 5
$8,320
$1,704
Year 10
$19,455
$11,590
Year 15
$34,355
$22,451
Year 20
$54,296
$34,709
Year 25
$80,980
$48,958
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1 | $1,476 | $1,799 | -$323 |
| Year 2Payback | $3,041 | -$3,889 | $6,929 |
| Year 3 | $4,699 | -$2,048 | $6,747 |
| Year 4 | $6,457 | -$185 | $6,642 |
| Year 5 | $8,320 | $1,704 | $6,617 |
| Year 6 | $10,296 | $3,619 | $6,677 |
| Year 7 | $12,389 | $5,563 | $6,827 |
| Year 8 | $14,609 | $7,538 | $7,071 |
| Year 9 | $16,961 | $9,546 | $7,415 |
| Year 10 | $19,455 | $11,590 | $7,865 |
| Year 11 | $22,098 | $13,673 | $8,425 |
| Year 12 | $24,900 | $15,797 | $9,103 |
| Year 13 | $27,870 | $17,966 | $9,904 |
| Year 14 | $31,018 | $20,183 | $10,835 |
| Year 15 | $34,355 | $22,451 | $11,904 |
| Year 16 | $37,893 | $24,775 | $13,118 |
| Year 17 | $41,642 | $27,158 | $14,484 |
| Year 18 | $45,617 | $29,605 | $16,012 |
| Year 19 | $49,830 | $32,121 | $17,709 |
| Year 20 | $54,296 | $34,709 | $19,586 |
| Year 21 | $59,029 | $37,377 | $21,652 |
| Year 22 | $64,047 | $40,130 | $23,917 |
| Year 23 | $69,366 | $42,973 | $26,393 |
| Year 24 | $75,004 | $45,913 | $29,091 |
| Year 25 | $80,980 | $48,958 | $32,022 |
Start Saving in Dunfermline
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