How Much Can Solar Save in Oakbrook Terrace?
Real numbers based on current ComEd rates and Illinois incentives.
$202
Current Bill/mo
$169
Est. Lease + Battery
6 yrs
Payback Period
$63,570
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
$202
Annual Cost
$2,424
25-Year Cost (No Solar)
$132,992
Your Solar Investment
9.5 kW System
$27,550
$13,881
After All IL Incentives
DG Rebate ($300/kW)-$2,850
Illinois Shines RECs (lump sum, ~18 mo)-$10,819
With vs Without Solar in Oakbrook Terrace
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $202/mo | $167/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | +$1/mo |
| 5-Year Cost | $13,090 | $10,020 |
| 25-Year Cost | $132,992 | $69,422 |
| 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
$63,570
Without Solar
With Solar
Year 1Payback Year
$2,424
$2,408
Year 5
$13,664
$1,597
Year 10
$31,950
$15,201
Year 15
$56,421
$30,508
Year 20
$89,168
$48,243
Year 25
$132,992
$69,421
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1Payback | $2,424 | $2,408 | $16 |
| Year 2 | $4,993 | -$5,969 | $10,962 |
| Year 3 | $7,717 | -$3,489 | $11,206 |
| Year 4 | $10,604 | -$968 | $11,572 |
| Year 5 | $13,664 | $1,597 | $12,067 |
| Year 6 | $16,908 | $4,209 | $12,699 |
| Year 7 | $20,347 | $6,871 | $13,475 |
| Year 8 | $23,991 | $9,588 | $14,403 |
| Year 9 | $27,855 | $12,363 | $15,492 |
| Year 10 | $31,950 | $15,201 | $16,749 |
| Year 11 | $36,291 | $18,107 | $18,185 |
| Year 12 | $40,893 | $21,085 | $19,808 |
| Year 13 | $45,770 | $24,140 | $21,630 |
| Year 14 | $50,941 | $27,280 | $23,661 |
| Year 15 | $56,421 | $30,508 | $25,913 |
| Year 16 | $62,230 | $33,833 | $28,397 |
| Year 17 | $68,388 | $37,262 | $31,126 |
| Year 18 | $74,915 | $40,801 | $34,115 |
| Year 19 | $81,834 | $44,458 | $37,376 |
| Year 20 | $89,168 | $48,243 | $40,925 |
| Year 21 | $96,942 | $52,165 | $44,778 |
| Year 22 | $105,183 | $56,232 | $48,950 |
| Year 23 | $113,918 | $60,457 | $53,461 |
| Year 24 | $123,177 | $64,849 | $58,328 |
| Year 25 | $132,992 | $69,421 | $63,570 |
Start Saving in Oakbrook Terrace
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