How Much Can Solar Save in Caledonia?
Real numbers based on current ComEd rates and Illinois incentives.
$142
Current Bill/mo
$139
Est. Lease + Battery
6.7 yrs
Payback Period
$40,678
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
$142
Annual Cost
$1,704
25-Year Cost (No Solar)
$93,489
Your Solar Investment
7.5 kW System
$21,750
$10,959
After All IL Incentives
DG Rebate ($300/kW)-$2,250
Illinois Shines RECs (lump sum, ~18 mo)-$8,541
With vs Without Solar in Caledonia
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $142/mo | $132/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | $-14/mo |
| 5-Year Cost | $9,202 | $7,920 |
| 25-Year Cost | $93,489 | $52,811 |
| 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
$40,678
Without Solar
With Solar
Year 1
$1,704
$1,878
Year 2Payback Year
$3,510
-$4,760
Year 5
$9,606
$1,120
Year 10
$22,460
$11,638
Year 15
$39,662
$23,379
Year 20
$62,683
$36,862
Year 25
$93,489
$52,811
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1 | $1,704 | $1,878 | -$174 |
| Year 2Payback | $3,510 | -$4,760 | $8,271 |
| Year 3 | $5,425 | -$2,830 | $8,255 |
| Year 4 | $7,454 | -$871 | $8,325 |
| Year 5 | $9,606 | $1,120 | $8,485 |
| Year 6 | $11,886 | $3,145 | $8,741 |
| Year 7 | $14,303 | $5,207 | $9,096 |
| Year 8 | $16,865 | $7,307 | $9,558 |
| Year 9 | $19,581 | $9,450 | $10,131 |
| Year 10 | $22,460 | $11,638 | $10,823 |
| Year 11 | $25,512 | $13,874 | $11,638 |
| Year 12 | $28,746 | $16,162 | $12,584 |
| Year 13 | $32,175 | $18,506 | $13,669 |
| Year 14 | $35,810 | $20,910 | $14,899 |
| Year 15 | $39,662 | $23,379 | $16,283 |
| Year 16 | $43,746 | $25,916 | $17,830 |
| Year 17 | $48,075 | $28,528 | $19,547 |
| Year 18 | $52,663 | $31,219 | $21,444 |
| Year 19 | $57,527 | $33,995 | $23,532 |
| Year 20 | $62,683 | $36,862 | $25,821 |
| Year 21 | $68,148 | $39,827 | $28,321 |
| Year 22 | $73,940 | $42,897 | $31,044 |
| Year 23 | $80,081 | $46,079 | $34,002 |
| Year 24 | $86,590 | $49,381 | $37,209 |
| Year 25 | $93,489 | $52,811 | $40,678 |
Start Saving in Caledonia
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