How Much Can Solar Save in Grant Park?
Real numbers based on current ComEd rates and Illinois incentives.
$151
Current Bill/mo
$145
Est. Lease + Battery
5.8 yrs
Payback Period
$49,672
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
$151
Annual Cost
$1,812
25-Year Cost (No Solar)
$99,414
Your Solar Investment
7 kW System
$20,300
$10,228
After All IL Incentives
DG Rebate ($300/kW)-$2,100
Illinois Shines RECs (lump sum, ~18 mo)-$7,972
With vs Without Solar in Grant Park
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $151/mo | $123/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | +$6/mo |
| 5-Year Cost | $9,785 | $7,380 |
| 25-Year Cost | $99,414 | $49,742 |
| 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
$49,672
Without Solar
With Solar
Year 1Payback Year
$1,812
$1,744
Year 5
$10,214
$1,013
Year 10
$23,884
$10,828
Year 15
$42,176
$21,840
Year 20
$66,655
$34,569
Year 25
$99,414
$49,742
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1Payback | $1,812 | $1,744 | $68 |
| Year 2 | $3,733 | -$4,459 | $8,192 |
| Year 3 | $5,769 | -$2,664 | $8,433 |
| Year 4 | $7,927 | -$841 | $8,768 |
| Year 5 | $10,214 | $1,013 | $9,202 |
| Year 6 | $12,639 | $2,899 | $9,740 |
| Year 7 | $15,210 | $4,821 | $10,388 |
| Year 8 | $17,934 | $6,781 | $11,153 |
| Year 9 | $20,822 | $8,782 | $12,040 |
| Year 10 | $23,884 | $10,828 | $13,056 |
| Year 11 | $27,129 | $12,920 | $14,208 |
| Year 12 | $30,568 | $15,064 | $15,505 |
| Year 13 | $34,214 | $17,262 | $16,952 |
| Year 14 | $38,079 | $19,519 | $18,560 |
| Year 15 | $42,176 | $21,840 | $20,336 |
| Year 16 | $46,519 | $24,229 | $22,290 |
| Year 17 | $51,122 | $26,690 | $24,431 |
| Year 18 | $56,001 | $29,230 | $26,771 |
| Year 19 | $61,173 | $31,854 | $29,319 |
| Year 20 | $66,655 | $34,569 | $32,087 |
| Year 21 | $72,467 | $37,380 | $35,087 |
| Year 22 | $78,627 | $40,295 | $38,332 |
| Year 23 | $85,156 | $43,322 | $41,834 |
| Year 24 | $92,078 | $46,468 | $45,610 |
| Year 25 | $99,414 | $49,742 | $49,672 |
Start Saving in Grant Park
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