How Much Can Solar Save in Lake Barrington?
Real numbers based on current ComEd rates and Illinois incentives.
$229
Current Bill/mo
$182
Est. Lease + Battery
6.4 yrs
Payback Period
$70,656
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
$229
Annual Cost
$2,748
25-Year Cost (No Solar)
$150,768
Your Solar Investment
11 kW System
$31,900
$17,019
After All IL Incentives
DG Rebate ($300/kW)-$3,300
Illinois Shines RECs (lump sum, ~18 mo)-$11,581
With vs Without Solar in Lake Barrington
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $229/mo | $193/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | $-2/mo |
| 5-Year Cost | $14,839 | $11,580 |
| 25-Year Cost | $150,768 | $80,112 |
| 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
$70,656
Without Solar
With Solar
Year 1
$2,748
$2,768
Year 2Payback Year
$5,661
-$6,005
Year 5
$15,491
$2,684
Year 10
$36,221
$18,280
Year 15
$63,962
$35,785
Year 20
$101,087
$56,015
Year 25
$150,768
$80,111
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1 | $2,748 | $2,768 | -$20 |
| Year 2Payback | $5,661 | -$6,005 | $11,666 |
| Year 3 | $8,749 | -$3,155 | $11,904 |
| Year 4 | $12,021 | -$260 | $12,282 |
| Year 5 | $15,491 | $2,684 | $12,807 |
| Year 6 | $19,168 | $5,681 | $13,487 |
| Year 7 | $23,066 | $8,735 | $14,332 |
| Year 8 | $27,198 | $11,849 | $15,349 |
| Year 9 | $31,578 | $15,029 | $16,549 |
| Year 10 | $36,221 | $18,280 | $17,941 |
| Year 11 | $41,142 | $21,606 | $19,536 |
| Year 12 | $46,359 | $25,013 | $21,346 |
| Year 13 | $51,888 | $28,508 | $23,380 |
| Year 14 | $57,749 | $32,096 | $25,653 |
| Year 15 | $63,962 | $35,785 | $28,178 |
| Year 16 | $70,548 | $39,582 | $30,966 |
| Year 17 | $77,529 | $43,494 | $34,035 |
| Year 18 | $84,929 | $47,531 | $37,397 |
| Year 19 | $92,772 | $51,702 | $41,071 |
| Year 20 | $101,087 | $56,015 | $45,072 |
| Year 21 | $109,900 | $60,481 | $49,419 |
| Year 22 | $119,242 | $65,112 | $54,130 |
| Year 23 | $129,145 | $69,919 | $59,226 |
| Year 24 | $139,641 | $74,914 | $64,727 |
| Year 25 | $150,768 | $80,111 | $70,656 |
Start Saving in Lake Barrington
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