How Much Can Solar Save in Des Plaines?
Real numbers based on current ComEd rates and Illinois incentives.
$187
Current Bill/mo
$161
Est. Lease + Battery
5.5 yrs
Payback Period
$61,624
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
$187
Annual Cost
$2,244
25-Year Cost (No Solar)
$123,116
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 Des Plaines
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $187/mo | $140/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | +$14/mo |
| 5-Year Cost | $12,118 | $8,400 |
| 25-Year Cost | $123,116 | $61,492 |
| 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
$61,624
Without Solar
With Solar
Year 1Payback Year
$2,244
$2,071
Year 5
$12,650
$1,603
Year 10
$29,578
$13,431
Year 15
$52,231
$26,859
Year 20
$82,547
$42,563
Year 25
$123,116
$61,491
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1Payback | $2,244 | $2,071 | $173 |
| Year 2 | $4,623 | -$4,934 | $9,557 |
| Year 3 | $7,144 | -$2,795 | $9,939 |
| Year 4 | $9,817 | -$617 | $10,433 |
| Year 5 | $12,650 | $1,603 | $11,047 |
| Year 6 | $15,653 | $3,866 | $11,787 |
| Year 7 | $18,836 | $6,177 | $12,659 |
| Year 8 | $22,210 | $8,539 | $13,671 |
| Year 9 | $25,787 | $10,956 | $14,831 |
| Year 10 | $29,578 | $13,431 | $16,146 |
| Year 11 | $33,596 | $15,971 | $17,626 |
| Year 12 | $37,856 | $18,578 | $19,278 |
| Year 13 | $42,372 | $21,258 | $21,114 |
| Year 14 | $47,158 | $24,017 | $23,141 |
| Year 15 | $52,231 | $26,859 | $25,372 |
| Year 16 | $57,609 | $29,792 | $27,817 |
| Year 17 | $63,310 | $32,822 | $30,488 |
| Year 18 | $69,352 | $35,955 | $33,397 |
| Year 19 | $75,757 | $39,199 | $36,558 |
| Year 20 | $82,547 | $42,563 | $39,984 |
| Year 21 | $89,744 | $46,055 | $43,689 |
| Year 22 | $97,372 | $49,683 | $47,689 |
| Year 23 | $105,459 | $53,458 | $52,000 |
| Year 24 | $114,030 | $57,391 | $56,639 |
| Year 25 | $123,116 | $61,491 | $61,624 |
Start Saving in Des Plaines
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