How Much Can Solar Save in La Harpe?
Real numbers based on current Ameren Illinois rates and Illinois incentives.
$117
Current Bill/mo
$136
Est. Lease + Battery
8.1 yrs
Payback Period
$30,254
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
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 La Harpe
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $117/mo | $132/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | $-30/mo |
| 5-Year Cost | $7,582 | $7,920 |
| 25-Year Cost | $77,030 | $46,776 |
| 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
$30,254
Without Solar
With Solar
Year 1
$1,404
$1,762
Year 2Payback Year
$2,892
-$3,966
Year 5
$7,914
$1,491
Year 10
$18,506
$11,087
Year 15
$32,679
$21,551
Year 20
$51,647
$33,267
Year 25
$77,030
$46,776
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1 | $1,404 | $1,762 | -$358 |
| Year 2Payback | $2,892 | -$3,966 | $6,858 |
| Year 3 | $4,470 | -$2,167 | $6,637 |
| Year 4 | $6,142 | -$349 | $6,491 |
| Year 5 | $7,914 | $1,491 | $6,423 |
| Year 6 | $9,793 | $3,356 | $6,438 |
| Year 7 | $11,785 | $5,245 | $6,540 |
| Year 8 | $13,896 | $7,162 | $6,734 |
| Year 9 | $16,134 | $9,109 | $7,025 |
| Year 10 | $18,506 | $11,087 | $7,419 |
| Year 11 | $21,020 | $13,100 | $7,920 |
| Year 12 | $23,685 | $15,150 | $8,535 |
| Year 13 | $26,511 | $17,240 | $9,271 |
| Year 14 | $29,505 | $19,373 | $10,133 |
| Year 15 | $32,679 | $21,551 | $11,128 |
| Year 16 | $36,044 | $23,780 | $12,265 |
| Year 17 | $39,611 | $26,061 | $13,550 |
| Year 18 | $43,392 | $28,400 | $14,991 |
| Year 19 | $47,399 | $30,801 | $16,598 |
| Year 20 | $51,647 | $33,267 | $18,380 |
| Year 21 | $56,150 | $35,805 | $20,345 |
| Year 22 | $60,923 | $38,419 | $22,504 |
| Year 23 | $65,982 | $41,114 | $24,868 |
| Year 24 | $71,345 | $43,898 | $27,447 |
| Year 25 | $77,030 | $46,776 | $30,254 |
Start Saving in La Harpe
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