How Much Can Solar Save in Warrenville?
Real numbers based on current ComEd rates and Illinois incentives.
$172
Current Bill/mo
$157
Est. Lease + Battery
6 yrs
Payback Period
$56,101
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
$172
Annual Cost
$2,064
25-Year Cost (No Solar)
$113,240
Your Solar Investment
8.5 kW System
$24,650
$12,420
After All IL Incentives
DG Rebate ($300/kW)-$2,550
Illinois Shines RECs (lump sum, ~18 mo)-$9,680
With vs Without Solar in Warrenville
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $172/mo | $149/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | +$0/mo |
| 5-Year Cost | $11,146 | $8,940 |
| 25-Year Cost | $113,240 | $57,139 |
| 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
$56,101
Without Solar
With Solar
Year 1
$2,064
$2,065
Year 2Payback Year
$4,252
-$5,525
Year 5
$11,635
$923
Year 10
$27,205
$12,416
Year 15
$48,042
$25,198
Year 20
$75,925
$39,839
Year 25
$113,240
$57,140
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1 | $2,064 | $2,065 | -$1 |
| Year 2Payback | $4,252 | -$5,525 | $9,777 |
| Year 3 | $6,571 | -$3,407 | $9,978 |
| Year 4 | $9,029 | -$1,258 | $10,287 |
| Year 5 | $11,635 | $923 | $10,712 |
| Year 6 | $14,397 | $3,140 | $11,257 |
| Year 7 | $17,325 | $5,394 | $11,931 |
| Year 8 | $20,428 | $7,690 | $12,739 |
| Year 9 | $23,718 | $10,029 | $13,689 |
| Year 10 | $27,205 | $12,416 | $14,790 |
| Year 11 | $30,901 | $14,854 | $16,048 |
| Year 12 | $34,820 | $17,346 | $17,473 |
| Year 13 | $38,973 | $19,898 | $19,074 |
| Year 14 | $43,375 | $22,514 | $20,861 |
| Year 15 | $48,042 | $25,198 | $22,843 |
| Year 16 | $52,988 | $27,956 | $25,032 |
| Year 17 | $58,231 | $30,793 | $27,438 |
| Year 18 | $63,789 | $33,715 | $30,074 |
| Year 19 | $69,681 | $36,728 | $32,953 |
| Year 20 | $75,925 | $39,839 | $36,086 |
| Year 21 | $82,545 | $43,056 | $39,489 |
| Year 22 | $89,562 | $46,386 | $43,176 |
| Year 23 | $96,999 | $49,837 | $47,162 |
| Year 24 | $104,883 | $53,418 | $51,465 |
| Year 25 | $113,240 | $57,140 | $56,101 |
Start Saving in Warrenville
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