How Much Can Solar Save in Carol Stream?
Real numbers based on current ComEd rates and Illinois incentives.
$185
Current Bill/mo
$161
Est. Lease + Battery
5.6 yrs
Payback Period
$61,562
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
$185
Annual Cost
$2,220
25-Year Cost (No Solar)
$121,799
Your Solar Investment
8 kW System
$23,200
$11,690
After All IL Incentives
DG Rebate ($300/kW)-$2,400
Illinois Shines RECs (lump sum, ~18 mo)-$9,110
With vs Without Solar in Carol Stream
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $185/mo | $140/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | +$14/mo |
| 5-Year Cost | $11,988 | $8,400 |
| 25-Year Cost | $121,799 | $60,237 |
| 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
$61,562
Without Solar
With Solar
Year 1Payback Year
$2,220
$2,048
Year 5
$12,514
$1,474
Year 10
$29,261
$13,131
Year 15
$51,673
$26,328
Year 20
$81,664
$41,723
Year 25
$121,799
$60,237
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1Payback | $2,220 | $2,048 | $172 |
| Year 2 | $4,573 | -$4,981 | $9,555 |
| Year 3 | $7,068 | -$2,867 | $9,935 |
| Year 4 | $9,712 | -$716 | $10,428 |
| Year 5 | $12,514 | $1,474 | $11,040 |
| Year 6 | $15,485 | $3,707 | $11,778 |
| Year 7 | $18,634 | $5,985 | $12,649 |
| Year 8 | $21,972 | $8,313 | $13,659 |
| Year 9 | $25,511 | $10,694 | $14,817 |
| Year 10 | $29,261 | $13,131 | $16,131 |
| Year 11 | $33,237 | $15,629 | $17,608 |
| Year 12 | $37,451 | $18,193 | $19,258 |
| Year 13 | $41,918 | $20,827 | $21,091 |
| Year 14 | $46,653 | $23,537 | $23,117 |
| Year 15 | $51,673 | $26,328 | $25,345 |
| Year 16 | $56,993 | $29,206 | $27,787 |
| Year 17 | $62,633 | $32,177 | $30,455 |
| Year 18 | $68,611 | $35,249 | $33,362 |
| Year 19 | $74,947 | $38,428 | $36,519 |
| Year 20 | $81,664 | $41,723 | $39,941 |
| Year 21 | $88,784 | $45,141 | $43,643 |
| Year 22 | $96,331 | $48,691 | $47,640 |
| Year 23 | $104,331 | $52,384 | $51,947 |
| Year 24 | $112,811 | $56,229 | $56,582 |
| Year 25 | $121,799 | $60,237 | $61,562 |
Start Saving in Carol Stream
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