How Much Can Solar Save in Wheaton?
Real numbers based on current ComEd rates and Illinois incentives.
$224
Current Bill/mo
$180
Est. Lease + Battery
5.7 yrs
Payback Period
$73,520
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
$224
Annual Cost
$2,688
25-Year Cost (No Solar)
$147,476
Your Solar Investment
10 kW System
$29,000
$14,612
After All IL Incentives
DG Rebate ($300/kW)-$3,000
Illinois Shines RECs (lump sum, ~18 mo)-$11,388
With vs Without Solar in Wheaton
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $224/mo | $176/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | +$12/mo |
| 5-Year Cost | $14,515 | $10,560 |
| 25-Year Cost | $147,476 | $73,956 |
| 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
$73,520
Without Solar
With Solar
Year 1Payback Year
$2,688
$2,541
Year 5
$15,153
$1,728
Year 10
$35,430
$16,133
Year 15
$62,566
$32,391
Year 20
$98,880
$51,295
Year 25
$147,476
$73,955
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1Payback | $2,688 | $2,541 | $147 |
| Year 2 | $5,537 | -$6,268 | $11,805 |
| Year 3 | $8,558 | -$3,648 | $12,206 |
| Year 4 | $11,759 | -$984 | $12,743 |
| Year 5 | $15,153 | $1,728 | $13,425 |
| Year 6 | $18,750 | $4,490 | $14,260 |
| Year 7 | $22,563 | $7,308 | $15,255 |
| Year 8 | $26,604 | $10,184 | $16,420 |
| Year 9 | $30,889 | $13,124 | $17,764 |
| Year 10 | $35,430 | $16,133 | $19,297 |
| Year 11 | $40,244 | $19,215 | $21,029 |
| Year 12 | $45,346 | $22,375 | $22,971 |
| Year 13 | $50,755 | $25,621 | $25,134 |
| Year 14 | $56,488 | $28,957 | $27,531 |
| Year 15 | $62,566 | $32,391 | $30,175 |
| Year 16 | $69,008 | $35,930 | $33,078 |
| Year 17 | $75,836 | $39,581 | $36,255 |
| Year 18 | $83,074 | $43,353 | $39,721 |
| Year 19 | $90,747 | $47,255 | $43,492 |
| Year 20 | $98,880 | $51,295 | $47,585 |
| Year 21 | $107,500 | $55,484 | $52,016 |
| Year 22 | $116,638 | $59,833 | $56,806 |
| Year 23 | $126,325 | $64,353 | $61,972 |
| Year 24 | $136,592 | $69,056 | $67,536 |
| Year 25 | $147,476 | $73,955 | $73,520 |
Start Saving in Wheaton
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