How Much Can Solar Save in Thornton?
Real numbers based on current ComEd rates and Illinois incentives.
$136
Current Bill/mo
$137
Est. Lease + Battery
6 yrs
Payback Period
$43,065
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
$136
Annual Cost
$1,632
25-Year Cost (No Solar)
$89,539
Your Solar Investment
6.5 kW System
$18,850
$9,498
After All IL Incentives
DG Rebate ($300/kW)-$1,950
Illinois Shines RECs (lump sum, ~18 mo)-$7,402
With vs Without Solar in Thornton
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $136/mo | $114/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | +$0/mo |
| 5-Year Cost | $8,813 | $6,840 |
| 25-Year Cost | $89,539 | $46,474 |
| 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
$43,065
Without Solar
With Solar
Year 1Payback Year
$1,632
$1,629
Year 5
$9,200
$991
Year 10
$21,511
$10,160
Year 15
$37,986
$20,446
Year 20
$60,034
$32,327
Year 25
$89,539
$46,474
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1Payback | $1,632 | $1,629 | $3 |
| Year 2 | $3,362 | -$4,121 | $7,483 |
| Year 3 | $5,196 | -$2,444 | $7,640 |
| Year 4 | $7,139 | -$741 | $7,880 |
| Year 5 | $9,200 | $991 | $8,209 |
| Year 6 | $11,384 | $2,753 | $8,630 |
| Year 7 | $13,699 | $4,549 | $9,150 |
| Year 8 | $16,153 | $6,380 | $9,773 |
| Year 9 | $18,754 | $8,250 | $10,504 |
| Year 10 | $21,511 | $10,160 | $11,351 |
| Year 11 | $24,434 | $12,115 | $12,319 |
| Year 12 | $27,532 | $14,117 | $13,414 |
| Year 13 | $30,816 | $16,171 | $14,645 |
| Year 14 | $34,297 | $18,279 | $16,018 |
| Year 15 | $37,986 | $20,446 | $17,540 |
| Year 16 | $41,898 | $22,676 | $19,221 |
| Year 17 | $46,043 | $24,974 | $21,069 |
| Year 18 | $50,438 | $27,345 | $23,093 |
| Year 19 | $55,096 | $29,794 | $25,302 |
| Year 20 | $60,034 | $32,327 | $27,707 |
| Year 21 | $65,268 | $34,949 | $30,319 |
| Year 22 | $70,816 | $37,668 | $33,148 |
| Year 23 | $76,697 | $40,490 | $36,207 |
| Year 24 | $82,931 | $43,423 | $39,508 |
| Year 25 | $89,539 | $46,474 | $43,065 |
Start Saving in Thornton
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