How Much Can Solar Save in Lake Forest?
Real numbers based on current ComEd rates and Illinois incentives.
$259
Current Bill/mo
$198
Est. Lease + Battery
6.8 yrs
Payback Period
$76,930
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 Lake Forest
| 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 | $93,589 |
| 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
$76,930
Without Solar
With Solar
Year 1
$3,108
$3,325
Year 2Payback Year
$6,402
-$7,520
Year 5
$17,520
$2,874
Year 10
$40,966
$21,417
Year 15
$72,342
$42,055
Year 20
$114,330
$65,690
Year 25
$170,519
$93,589
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1 | $3,108 | $3,325 | -$217 |
| Year 2Payback | $6,402 | -$7,520 | $13,923 |
| Year 3 | $9,895 | -$4,106 | $14,001 |
| Year 4 | $13,596 | -$643 | $14,239 |
| Year 5 | $17,520 | $2,874 | $14,646 |
| Year 6 | $21,679 | $6,449 | $15,230 |
| Year 7 | $26,088 | $10,086 | $16,002 |
| Year 8 | $30,761 | $13,789 | $16,972 |
| Year 9 | $35,715 | $17,564 | $18,151 |
| Year 10 | $40,966 | $21,417 | $19,549 |
| Year 11 | $46,532 | $25,352 | $21,180 |
| Year 12 | $52,432 | $29,377 | $23,055 |
| Year 13 | $58,686 | $33,497 | $25,188 |
| Year 14 | $65,315 | $37,721 | $27,594 |
| Year 15 | $72,342 | $42,055 | $30,287 |
| Year 16 | $79,790 | $46,508 | $33,283 |
| Year 17 | $87,686 | $51,088 | $36,598 |
| Year 18 | $96,055 | $55,805 | $40,250 |
| Year 19 | $104,926 | $60,669 | $44,257 |
| Year 20 | $114,330 | $65,690 | $48,639 |
| Year 21 | $124,297 | $70,881 | $53,417 |
| Year 22 | $134,863 | $76,252 | $58,611 |
| Year 23 | $146,063 | $81,818 | $64,245 |
| Year 24 | $157,935 | $87,592 | $70,343 |
| Year 25 | $170,519 | $93,589 | $76,930 |
Start Saving in Lake Forest
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