How Much Can Solar Save in Lake Zurich?
Real numbers based on current ComEd rates and Illinois incentives.
$214
Current Bill/mo
$179
Est. Lease + Battery
5.7 yrs
Payback Period
$72,687
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
$214
Annual Cost
$2,568
25-Year Cost (No Solar)
$140,892
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 Lake Zurich
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $214/mo | $176/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | +$11/mo |
| 5-Year Cost | $13,867 | $10,560 |
| 25-Year Cost | $140,892 | $68,205 |
| 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
$72,687
Without Solar
With Solar
Year 1Payback Year
$2,568
$2,437
Year 5
$14,476
$1,142
Year 10
$33,848
$14,761
Year 15
$59,773
$29,964
Year 20
$94,465
$47,449
Year 25
$140,892
$68,205
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1Payback | $2,568 | $2,437 | $131 |
| Year 2 | $5,290 | -$6,482 | $11,772 |
| Year 3 | $8,175 | -$3,978 | $12,154 |
| Year 4 | $11,234 | -$1,438 | $12,672 |
| Year 5 | $14,476 | $1,142 | $13,334 |
| Year 6 | $17,913 | $3,766 | $14,147 |
| Year 7 | $21,555 | $6,435 | $15,120 |
| Year 8 | $25,417 | $9,155 | $16,261 |
| Year 9 | $29,510 | $11,929 | $17,580 |
| Year 10 | $33,848 | $14,761 | $19,087 |
| Year 11 | $38,447 | $17,656 | $20,791 |
| Year 12 | $43,322 | $20,619 | $22,703 |
| Year 13 | $48,489 | $23,654 | $24,836 |
| Year 14 | $53,967 | $26,767 | $27,200 |
| Year 15 | $59,773 | $29,964 | $29,809 |
| Year 16 | $65,927 | $33,251 | $32,676 |
| Year 17 | $72,451 | $36,636 | $35,814 |
| Year 18 | $79,366 | $40,126 | $39,240 |
| Year 19 | $86,696 | $43,727 | $42,968 |
| Year 20 | $94,465 | $47,449 | $47,016 |
| Year 21 | $102,701 | $51,301 | $51,400 |
| Year 22 | $111,431 | $55,292 | $56,139 |
| Year 23 | $120,685 | $59,432 | $61,253 |
| Year 24 | $130,494 | $63,733 | $66,762 |
| Year 25 | $140,892 | $68,205 | $72,687 |
Start Saving in Lake Zurich
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