How Much Can Solar Save in Wonder Lake?
Real numbers based on current ComEd rates and Illinois incentives.
$164
Current Bill/mo
$154
Est. Lease + Battery
5.6 yrs
Payback Period
$56,276
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
$164
Annual Cost
$1,968
25-Year Cost (No Solar)
$107,973
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 Wonder Lake
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $164/mo | $132/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | +$11/mo |
| 5-Year Cost | $10,627 | $7,920 |
| 25-Year Cost | $107,973 | $51,697 |
| 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
$56,276
Without Solar
With Solar
Year 1Payback Year
$1,968
$1,835
Year 5
$11,094
$901
Year 10
$25,940
$11,180
Year 15
$45,807
$22,677
Year 20
$72,394
$35,930
Year 25
$107,973
$51,697
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1Payback | $1,968 | $1,835 | $133 |
| Year 2 | $4,054 | -$4,846 | $8,900 |
| Year 3 | $6,265 | -$2,959 | $9,225 |
| Year 4 | $8,609 | -$1,045 | $9,654 |
| Year 5 | $11,094 | $901 | $10,193 |
| Year 6 | $13,727 | $2,879 | $10,848 |
| Year 7 | $16,519 | $4,894 | $11,625 |
| Year 8 | $19,478 | $6,947 | $12,532 |
| Year 9 | $22,615 | $9,041 | $13,574 |
| Year 10 | $25,940 | $11,180 | $14,760 |
| Year 11 | $29,464 | $13,368 | $16,097 |
| Year 12 | $33,200 | $15,607 | $17,593 |
| Year 13 | $37,160 | $17,902 | $19,258 |
| Year 14 | $41,358 | $20,257 | $21,100 |
| Year 15 | $45,807 | $22,677 | $23,130 |
| Year 16 | $50,524 | $25,167 | $25,357 |
| Year 17 | $55,523 | $27,731 | $27,792 |
| Year 18 | $60,822 | $30,376 | $30,447 |
| Year 19 | $66,440 | $33,107 | $33,333 |
| Year 20 | $72,394 | $35,930 | $36,464 |
| Year 21 | $78,706 | $38,854 | $39,852 |
| Year 22 | $85,396 | $41,884 | $43,512 |
| Year 23 | $92,488 | $45,029 | $47,459 |
| Year 24 | $100,005 | $48,297 | $51,708 |
| Year 25 | $107,973 | $51,697 | $56,276 |
Start Saving in Wonder Lake
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