How Much Can Solar Save in Coal City?
Real numbers based on current ComEd rates and Illinois incentives.
$161
Current Bill/mo
$147
Est. Lease + Battery
5.3 yrs
Payback Period
$54,122
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
$161
Annual Cost
$1,932
25-Year Cost (No Solar)
$105,998
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 Coal City
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $161/mo | $114/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | +$18/mo |
| 5-Year Cost | $10,433 | $6,840 |
| 25-Year Cost | $105,998 | $51,876 |
| 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
$54,122
Without Solar
With Solar
Year 1Payback Year
$1,932
$1,712
Year 5
$10,891
$1,471
Year 10
$25,465
$11,324
Year 15
$44,969
$22,576
Year 20
$71,070
$35,818
Year 25
$105,998
$51,876
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1Payback | $1,932 | $1,712 | $220 |
| Year 2 | $3,980 | -$3,949 | $7,929 |
| Year 3 | $6,151 | -$2,177 | $8,327 |
| Year 4 | $8,452 | -$371 | $8,822 |
| Year 5 | $10,891 | $1,471 | $9,420 |
| Year 6 | $13,476 | $3,352 | $10,124 |
| Year 7 | $16,217 | $5,274 | $10,943 |
| Year 8 | $19,122 | $7,241 | $11,880 |
| Year 9 | $22,201 | $9,257 | $12,945 |
| Year 10 | $25,465 | $11,324 | $14,142 |
| Year 11 | $28,925 | $13,446 | $15,479 |
| Year 12 | $32,593 | $15,628 | $16,965 |
| Year 13 | $36,480 | $17,874 | $18,607 |
| Year 14 | $40,601 | $20,188 | $20,413 |
| Year 15 | $44,969 | $22,576 | $22,394 |
| Year 16 | $49,599 | $25,042 | $24,557 |
| Year 17 | $54,507 | $27,594 | $26,914 |
| Year 18 | $59,710 | $30,236 | $29,474 |
| Year 19 | $65,224 | $32,975 | $32,250 |
| Year 20 | $71,070 | $35,818 | $35,252 |
| Year 21 | $77,266 | $38,773 | $38,493 |
| Year 22 | $83,834 | $41,847 | $41,987 |
| Year 23 | $90,796 | $45,050 | $45,746 |
| Year 24 | $98,176 | $48,389 | $49,786 |
| Year 25 | $105,998 | $51,876 | $54,122 |
Start Saving in Coal City
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