How Much Can Solar Save in Oak Lawn?
Real numbers based on current ComEd rates and Illinois incentives.
$171
Current Bill/mo
$153
Est. Lease + Battery
5.7 yrs
Payback Period
$55,344
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
$171
Annual Cost
$2,052
25-Year Cost (No Solar)
$112,582
Your Solar Investment
7.5 kW System
$21,750
$10,959
After All IL Incentives
DG Rebate ($300/kW)-$2,250
Illinois Shines RECs (lump sum, ~18 mo)-$8,541
With vs Without Solar in Oak Lawn
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $171/mo | $132/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | +$10/mo |
| 5-Year Cost | $11,081 | $7,920 |
| 25-Year Cost | $112,582 | $57,238 |
| 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
$55,344
Without Solar
With Solar
Year 1Payback Year
$2,052
$1,938
Year 5
$11,567
$1,476
Year 10
$27,047
$12,523
Year 15
$47,762
$25,042
Year 20
$75,484
$39,656
Year 25
$112,582
$57,238
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1Payback | $2,052 | $1,938 | $114 |
| Year 2 | $4,227 | -$4,635 | $8,862 |
| Year 3 | $6,533 | -$2,634 | $9,167 |
| Year 4 | $8,977 | -$598 | $9,575 |
| Year 5 | $11,567 | $1,476 | $10,091 |
| Year 6 | $14,313 | $3,591 | $10,722 |
| Year 7 | $17,224 | $5,750 | $11,474 |
| Year 8 | $20,310 | $7,956 | $12,354 |
| Year 9 | $23,580 | $10,212 | $13,368 |
| Year 10 | $27,047 | $12,523 | $14,524 |
| Year 11 | $30,722 | $14,892 | $15,830 |
| Year 12 | $34,617 | $17,323 | $17,294 |
| Year 13 | $38,746 | $19,822 | $18,924 |
| Year 14 | $43,123 | $22,393 | $20,730 |
| Year 15 | $47,762 | $25,042 | $22,721 |
| Year 16 | $52,680 | $27,773 | $24,907 |
| Year 17 | $57,893 | $30,594 | $27,299 |
| Year 18 | $63,418 | $33,510 | $29,909 |
| Year 19 | $69,276 | $36,528 | $32,747 |
| Year 20 | $75,484 | $39,656 | $35,828 |
| Year 21 | $82,065 | $42,902 | $39,163 |
| Year 22 | $89,041 | $46,274 | $42,767 |
| Year 23 | $96,435 | $49,780 | $46,655 |
| Year 24 | $104,274 | $53,432 | $50,842 |
| Year 25 | $112,582 | $57,238 | $55,344 |
Start Saving in Oak Lawn
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