How Much Can Solar Save in Lisbon?
Real numbers based on current ComEd rates and Illinois incentives.
$152
Current Bill/mo
$147
Est. Lease + Battery
6.4 yrs
Payback Period
$46,676
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
$152
Annual Cost
$1,824
25-Year Cost (No Solar)
$100,073
Your Solar Investment
8 kW System
$23,200
$11,690
After All IL Incentives
DG Rebate ($300/kW)-$2,400
Illinois Shines RECs (lump sum, ~18 mo)-$9,110
With vs Without Solar in Lisbon
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $152/mo | $140/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | $-10/mo |
| 5-Year Cost | $9,850 | $8,400 |
| 25-Year Cost | $100,073 | $53,397 |
| 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
$46,676
Without Solar
With Solar
Year 1
$1,824
$1,945
Year 2Payback Year
$3,757
-$5,197
Year 5
$10,282
$872
Year 10
$24,042
$11,668
Year 15
$42,455
$23,644
Year 20
$67,097
$37,313
Year 25
$100,073
$53,397
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1 | $1,824 | $1,945 | -$121 |
| Year 2Payback | $3,757 | -$5,197 | $8,954 |
| Year 3 | $5,807 | -$3,202 | $9,009 |
| Year 4 | $7,979 | -$1,180 | $9,160 |
| Year 5 | $10,282 | $872 | $9,410 |
| Year 6 | $12,723 | $2,956 | $9,767 |
| Year 7 | $15,310 | $5,075 | $10,235 |
| Year 8 | $18,053 | $7,232 | $10,821 |
| Year 9 | $20,960 | $9,428 | $11,532 |
| Year 10 | $24,042 | $11,668 | $12,373 |
| Year 11 | $27,308 | $13,955 | $13,353 |
| Year 12 | $30,771 | $16,292 | $14,478 |
| Year 13 | $34,441 | $18,683 | $15,758 |
| Year 14 | $38,331 | $21,133 | $17,199 |
| Year 15 | $42,455 | $23,644 | $18,811 |
| Year 16 | $46,827 | $26,223 | $20,604 |
| Year 17 | $51,460 | $28,873 | $22,587 |
| Year 18 | $56,372 | $31,601 | $24,771 |
| Year 19 | $61,578 | $34,412 | $27,166 |
| Year 20 | $67,097 | $37,313 | $29,784 |
| Year 21 | $72,947 | $40,309 | $32,638 |
| Year 22 | $79,148 | $43,407 | $35,740 |
| Year 23 | $85,720 | $46,616 | $39,104 |
| Year 24 | $92,688 | $49,943 | $42,745 |
| Year 25 | $100,073 | $53,397 | $46,676 |
Start Saving in Lisbon
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