How Much Can Solar Save in Stillman Valley?
Real numbers based on current ComEd rates and Illinois incentives.
$144
Current Bill/mo
$143
Est. Lease + Battery
6.4 yrs
Payback Period
$44,564
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
$144
Annual Cost
$1,728
25-Year Cost (No Solar)
$94,806
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 Stillman Valley
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $144/mo | $132/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | $-8/mo |
| 5-Year Cost | $9,331 | $7,920 |
| 25-Year Cost | $94,806 | $50,242 |
| 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
$44,564
Without Solar
With Solar
Year 1
$1,728
$1,825
Year 2Payback Year
$3,560
-$4,868
Year 5
$9,741
$830
Year 10
$22,776
$10,973
Year 15
$40,221
$22,232
Year 20
$63,566
$35,093
Year 25
$94,806
$50,242
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1 | $1,728 | $1,825 | -$97 |
| Year 2Payback | $3,560 | -$4,868 | $8,427 |
| Year 3 | $5,501 | -$2,995 | $8,497 |
| Year 4 | $7,559 | -$1,097 | $8,656 |
| Year 5 | $9,741 | $830 | $8,911 |
| Year 6 | $12,053 | $2,788 | $9,266 |
| Year 7 | $14,505 | $4,778 | $9,726 |
| Year 8 | $17,103 | $6,804 | $10,299 |
| Year 9 | $19,857 | $8,868 | $10,989 |
| Year 10 | $22,776 | $10,973 | $11,803 |
| Year 11 | $25,871 | $13,122 | $12,749 |
| Year 12 | $29,151 | $15,319 | $13,832 |
| Year 13 | $32,628 | $17,567 | $15,061 |
| Year 14 | $36,314 | $19,870 | $16,444 |
| Year 15 | $40,221 | $22,232 | $17,989 |
| Year 16 | $44,362 | $24,657 | $19,705 |
| Year 17 | $48,752 | $27,151 | $21,601 |
| Year 18 | $53,405 | $29,718 | $23,687 |
| Year 19 | $58,337 | $32,363 | $25,974 |
| Year 20 | $63,566 | $35,093 | $28,472 |
| Year 21 | $69,107 | $37,914 | $31,194 |
| Year 22 | $74,982 | $40,832 | $34,150 |
| Year 23 | $81,209 | $43,854 | $37,355 |
| Year 24 | $87,809 | $46,988 | $40,821 |
| Year 25 | $94,806 | $50,242 | $44,564 |
Start Saving in Stillman Valley
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