How Much Can Solar Save in Walnut?
Real numbers based on current ComEd rates and Illinois incentives.
$127
Current Bill/mo
$131
Est. Lease + Battery
5.2 yrs
Payback Period
$42,883
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
$127
Annual Cost
$1,524
25-Year Cost (No Solar)
$83,614
Your Solar Investment
5 kW System
$14,500
$7,306
After All IL Incentives
DG Rebate ($300/kW)-$1,500
Illinois Shines RECs (lump sum, ~18 mo)-$5,694
With vs Without Solar in Walnut
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $127/mo | $88/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | +$16/mo |
| 5-Year Cost | $8,230 | $5,280 |
| 25-Year Cost | $83,614 | $40,731 |
| 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
$42,883
Without Solar
With Solar
Year 1Payback Year
$1,524
$1,330
Year 5
$8,591
$1,208
Year 10
$20,088
$8,894
Year 15
$35,473
$17,698
Year 20
$56,061
$28,091
Year 25
$83,614
$40,731
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1Payback | $1,524 | $1,330 | $194 |
| Year 2 | $3,139 | -$3,010 | $6,150 |
| Year 3 | $4,852 | -$1,632 | $6,483 |
| Year 4 | $6,667 | -$226 | $6,893 |
| Year 5 | $8,591 | $1,208 | $7,383 |
| Year 6 | $10,630 | $2,673 | $7,957 |
| Year 7 | $12,792 | $4,172 | $8,620 |
| Year 8 | $15,084 | $5,706 | $9,377 |
| Year 9 | $17,513 | $7,279 | $10,233 |
| Year 10 | $20,088 | $8,894 | $11,194 |
| Year 11 | $22,817 | $10,552 | $12,265 |
| Year 12 | $25,710 | $12,258 | $13,452 |
| Year 13 | $28,776 | $14,015 | $14,761 |
| Year 14 | $32,027 | $15,827 | $16,200 |
| Year 15 | $35,473 | $17,698 | $17,775 |
| Year 16 | $39,125 | $19,631 | $19,494 |
| Year 17 | $42,996 | $21,633 | $21,364 |
| Year 18 | $47,100 | $23,706 | $23,394 |
| Year 19 | $51,450 | $25,857 | $25,593 |
| Year 20 | $56,061 | $28,091 | $27,970 |
| Year 21 | $60,949 | $30,414 | $30,535 |
| Year 22 | $66,130 | $32,833 | $33,297 |
| Year 23 | $71,622 | $35,353 | $36,268 |
| Year 24 | $77,443 | $37,983 | $39,460 |
| Year 25 | $83,614 | $40,731 | $42,883 |
Start Saving in Walnut
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