How Much Can Solar Save in Oak Forest?
Real numbers based on current ComEd rates and Illinois incentives.
$166
Current Bill/mo
$152
Est. Lease + Battery
5.7 yrs
Payback Period
$55,190
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
$166
Annual Cost
$1,992
25-Year Cost (No Solar)
$109,290
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 Forest
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $166/mo | $132/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | +$9/mo |
| 5-Year Cost | $10,757 | $7,920 |
| 25-Year Cost | $109,290 | $54,100 |
| 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
$55,190
Without Solar
With Solar
Year 1Payback Year
$1,992
$1,881
Year 5
$11,229
$1,155
Year 10
$26,256
$11,771
Year 15
$46,366
$23,713
Year 20
$73,277
$37,555
Year 25
$109,290
$54,100
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1Payback | $1,992 | $1,881 | $111 |
| Year 2 | $4,104 | -$4,752 | $8,856 |
| Year 3 | $6,342 | -$2,816 | $9,157 |
| Year 4 | $8,714 | -$847 | $9,561 |
| Year 5 | $11,229 | $1,155 | $10,074 |
| Year 6 | $13,895 | $3,193 | $10,701 |
| Year 7 | $16,721 | $5,271 | $11,449 |
| Year 8 | $19,716 | $7,391 | $12,325 |
| Year 9 | $22,891 | $9,557 | $13,334 |
| Year 10 | $26,256 | $11,771 | $14,485 |
| Year 11 | $29,824 | $14,038 | $15,786 |
| Year 12 | $33,605 | $16,361 | $17,244 |
| Year 13 | $37,613 | $18,745 | $18,869 |
| Year 14 | $41,862 | $21,194 | $20,668 |
| Year 15 | $46,366 | $23,713 | $22,653 |
| Year 16 | $51,140 | $26,307 | $24,832 |
| Year 17 | $56,200 | $28,983 | $27,217 |
| Year 18 | $61,564 | $31,745 | $29,819 |
| Year 19 | $67,250 | $34,600 | $32,650 |
| Year 20 | $73,277 | $37,555 | $35,722 |
| Year 21 | $79,666 | $40,617 | $39,049 |
| Year 22 | $86,437 | $43,794 | $42,644 |
| Year 23 | $93,616 | $47,094 | $46,522 |
| Year 24 | $101,225 | $50,526 | $50,698 |
| Year 25 | $109,290 | $54,100 | $55,190 |
Start Saving in Oak Forest
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