How Much Can Solar Save in Mokena?
Real numbers based on current ComEd rates and Illinois incentives.
$206
Current Bill/mo
$174
Est. Lease + Battery
5.7 yrs
Payback Period
$69,387
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
$206
Annual Cost
$2,472
25-Year Cost (No Solar)
$135,625
Your Solar Investment
9.5 kW System
$27,550
$13,881
After All IL Incentives
DG Rebate ($300/kW)-$2,850
Illinois Shines RECs (lump sum, ~18 mo)-$10,819
With vs Without Solar in Mokena
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $206/mo | $167/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | +$11/mo |
| 5-Year Cost | $13,349 | $10,020 |
| 25-Year Cost | $135,625 | $66,238 |
| 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
$69,387
Without Solar
With Solar
Year 1Payback Year
$2,472
$2,341
Year 5
$13,935
$1,231
Year 10
$32,583
$14,366
Year 15
$57,538
$29,073
Year 20
$90,934
$46,041
Year 25
$135,625
$66,238
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1Payback | $2,472 | $2,341 | $131 |
| Year 2 | $5,092 | -$6,105 | $11,197 |
| Year 3 | $7,870 | -$3,697 | $11,567 |
| Year 4 | $10,814 | -$1,253 | $12,067 |
| Year 5 | $13,935 | $1,231 | $12,704 |
| Year 6 | $17,243 | $3,758 | $13,485 |
| Year 7 | $20,750 | $6,331 | $14,418 |
| Year 8 | $24,467 | $8,954 | $15,512 |
| Year 9 | $28,407 | $11,631 | $16,775 |
| Year 10 | $32,583 | $14,366 | $18,217 |
| Year 11 | $37,010 | $17,163 | $19,847 |
| Year 12 | $41,702 | $20,027 | $21,676 |
| Year 13 | $46,677 | $22,963 | $23,714 |
| Year 14 | $51,949 | $25,976 | $25,973 |
| Year 15 | $57,538 | $29,073 | $28,465 |
| Year 16 | $63,462 | $32,259 | $31,203 |
| Year 17 | $69,742 | $35,542 | $34,201 |
| Year 18 | $76,399 | $38,928 | $37,471 |
| Year 19 | $83,455 | $42,424 | $41,030 |
| Year 20 | $90,934 | $46,041 | $44,893 |
| Year 21 | $98,862 | $49,785 | $49,077 |
| Year 22 | $107,266 | $53,666 | $53,600 |
| Year 23 | $116,174 | $57,695 | $58,479 |
| Year 24 | $125,616 | $61,882 | $63,734 |
| Year 25 | $135,625 | $66,238 | $69,387 |
Start Saving in Mokena
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