How Much Can Solar Save in Donovan?
Real numbers based on current ComEd rates and Illinois incentives.
$124
Current Bill/mo
$134
Est. Lease + Battery
5.4 yrs
Payback Period
$44,293
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
$124
Annual Cost
$1,488
25-Year Cost (No Solar)
$81,638
Your Solar Investment
5.5 kW System
$15,950
$8,037
After All IL Incentives
DG Rebate ($300/kW)-$1,650
Illinois Shines RECs (lump sum, ~18 mo)-$6,263
With vs Without Solar in Donovan
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $124/mo | $97/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | +$13/mo |
| 5-Year Cost | $8,035 | $5,820 |
| 25-Year Cost | $81,638 | $37,345 |
| 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
$44,293
Without Solar
With Solar
Year 1Payback Year
$1,488
$1,331
Year 5
$8,388
$582
Year 10
$19,613
$8,026
Year 15
$34,635
$16,346
Year 20
$54,737
$25,934
Year 25
$81,638
$37,346
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1Payback | $1,488 | $1,331 | $157 |
| Year 2 | $3,065 | -$3,583 | $6,648 |
| Year 3 | $4,737 | -$2,215 | $6,952 |
| Year 4 | $6,509 | -$827 | $7,337 |
| Year 5 | $8,388 | $582 | $7,806 |
| Year 6 | $10,379 | $2,016 | $8,364 |
| Year 7 | $12,490 | $3,475 | $9,015 |
| Year 8 | $14,727 | $4,961 | $9,766 |
| Year 9 | $17,099 | $6,478 | $10,621 |
| Year 10 | $19,613 | $8,026 | $11,587 |
| Year 11 | $22,278 | $9,610 | $12,668 |
| Year 12 | $25,102 | $11,230 | $13,872 |
| Year 13 | $28,097 | $12,891 | $15,206 |
| Year 14 | $31,270 | $14,595 | $16,675 |
| Year 15 | $34,635 | $16,346 | $18,289 |
| Year 16 | $38,201 | $18,147 | $20,054 |
| Year 17 | $41,981 | $20,002 | $21,979 |
| Year 18 | $45,988 | $21,915 | $24,072 |
| Year 19 | $50,235 | $23,891 | $26,344 |
| Year 20 | $54,737 | $25,934 | $28,803 |
| Year 21 | $59,509 | $28,049 | $31,460 |
| Year 22 | $64,568 | $30,242 | $34,326 |
| Year 23 | $69,930 | $32,518 | $37,412 |
| Year 24 | $75,614 | $34,884 | $40,730 |
| Year 25 | $81,638 | $37,346 | $44,293 |
Start Saving in Donovan
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