How Much Can Solar Save in La Grange?
Real numbers based on current ComEd rates and Illinois incentives.
$259
Current Bill/mo
$198
Est. Lease + Battery
6.8 yrs
Payback Period
$77,136
25-Year Savings
What You're Paying Now
Without solar, here's what ComEd electricity will cost you over time at 6% annual rate increases.
Monthly Bill
$259
Annual Cost
$3,108
25-Year Cost (No Solar)
$170,519
Your Solar Investment
13.5 kW System
$39,150
$20,887
After All IL Incentives
DG Rebate ($300/kW)-$4,050
Illinois Shines RECs (lump sum, ~18 mo)-$14,213
With vs Without Solar in La Grange
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $259/mo | $237/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | $-18/mo |
| 5-Year Cost | $16,783 | $14,220 |
| 25-Year Cost | $170,519 | $93,383 |
| 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
$77,136
Without Solar
With Solar
Year 1
$3,108
$3,321
Year 2Payback Year
$6,402
-$7,529
Year 5
$17,520
$2,852
Year 10
$40,966
$21,365
Year 15
$72,342
$41,964
Year 20
$114,330
$65,549
Year 25
$170,519
$93,383
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1 | $3,108 | $3,321 | -$213 |
| Year 2Payback | $6,402 | -$7,529 | $13,931 |
| Year 3 | $9,895 | -$4,119 | $14,014 |
| Year 4 | $13,596 | -$660 | $14,257 |
| Year 5 | $17,520 | $2,852 | $14,668 |
| Year 6 | $21,679 | $6,421 | $15,258 |
| Year 7 | $26,088 | $10,052 | $16,036 |
| Year 8 | $30,761 | $13,750 | $17,011 |
| Year 9 | $35,715 | $17,519 | $18,196 |
| Year 10 | $40,966 | $21,365 | $19,601 |
| Year 11 | $46,532 | $25,293 | $21,239 |
| Year 12 | $52,432 | $29,311 | $23,121 |
| Year 13 | $58,686 | $33,423 | $25,262 |
| Year 14 | $65,315 | $37,639 | $27,676 |
| Year 15 | $72,342 | $41,964 | $30,378 |
| Year 16 | $79,790 | $46,408 | $33,382 |
| Year 17 | $87,686 | $50,979 | $36,707 |
| Year 18 | $96,055 | $55,686 | $40,369 |
| Year 19 | $104,926 | $60,539 | $44,387 |
| Year 20 | $114,330 | $65,549 | $48,780 |
| Year 21 | $124,297 | $70,728 | $53,569 |
| Year 22 | $134,863 | $76,087 | $58,776 |
| Year 23 | $146,063 | $81,640 | $64,423 |
| Year 24 | $157,935 | $87,400 | $70,535 |
| Year 25 | $170,519 | $93,383 | $77,136 |
Start Saving in La Grange
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