How Much Can Solar Save in Island Lake?
Real numbers based on current ComEd rates and Illinois incentives.
$163
Current Bill/mo
$153
Est. Lease + Battery
7.9 yrs
Payback Period
$41,842
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
$163
Annual Cost
$1,956
25-Year Cost (No Solar)
$107,315
Your Solar Investment
10.5 kW System
$30,450
$16,246
After All IL Incentives
DG Rebate ($300/kW)-$3,150
Illinois Shines RECs (lump sum, ~18 mo)-$11,054
With vs Without Solar in Island Lake
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $163/mo | $184/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | $-43/mo |
| 5-Year Cost | $10,562 | $11,040 |
| 25-Year Cost | $107,315 | $65,473 |
| 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
$41,842
Without Solar
With Solar
Year 1
$1,956
$2,478
Year 2Payback Year
$4,029
-$6,073
Year 5
$11,026
$1,606
Year 10
$25,782
$15,119
Year 15
$45,528
$29,869
Year 20
$71,953
$46,399
Year 25
$107,315
$65,473
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1 | $1,956 | $2,478 | -$522 |
| Year 2Payback | $4,029 | -$6,073 | $10,102 |
| Year 3 | $6,227 | -$3,543 | $9,770 |
| Year 4 | $8,557 | -$984 | $9,541 |
| Year 5 | $11,026 | $1,606 | $9,420 |
| Year 6 | $13,644 | $4,230 | $9,414 |
| Year 7 | $16,418 | $6,890 | $9,528 |
| Year 8 | $19,359 | $9,590 | $9,770 |
| Year 9 | $22,477 | $12,331 | $10,146 |
| Year 10 | $25,782 | $15,119 | $10,663 |
| Year 11 | $29,285 | $17,955 | $11,330 |
| Year 12 | $32,998 | $20,844 | $12,154 |
| Year 13 | $36,933 | $23,790 | $13,144 |
| Year 14 | $41,105 | $26,797 | $14,309 |
| Year 15 | $45,528 | $29,869 | $15,659 |
| Year 16 | $50,215 | $33,012 | $17,204 |
| Year 17 | $55,184 | $36,230 | $18,954 |
| Year 18 | $60,451 | $39,530 | $20,921 |
| Year 19 | $66,035 | $42,918 | $23,117 |
| Year 20 | $71,953 | $46,399 | $25,554 |
| Year 21 | $78,226 | $49,981 | $28,245 |
| Year 22 | $84,875 | $53,671 | $31,204 |
| Year 23 | $91,924 | $57,478 | $34,446 |
| Year 24 | $99,395 | $61,409 | $37,986 |
| Year 25 | $107,315 | $65,473 | $41,842 |
Start Saving in Island Lake
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