How Much Can Solar Save in Granville?
Real numbers based on current ComEd rates and Illinois incentives.
$135
Current Bill/mo
$140
Est. Lease + Battery
5.4 yrs
Payback Period
$48,273
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
$135
Annual Cost
$1,620
25-Year Cost (No Solar)
$88,881
Your Solar Investment
6 kW System
$17,400
$8,767
After All IL Incentives
DG Rebate ($300/kW)-$1,800
Illinois Shines RECs (lump sum, ~18 mo)-$6,833
With vs Without Solar in Granville
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $135/mo | $105/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | +$14/mo |
| 5-Year Cost | $8,748 | $6,300 |
| 25-Year Cost | $88,881 | $40,608 |
| 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
$48,273
Without Solar
With Solar
Year 1Payback Year
$1,620
$1,450
Year 5
$9,132
$621
Year 10
$21,353
$8,724
Year 15
$37,707
$17,776
Year 20
$59,593
$28,203
Year 25
$88,881
$40,607
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1Payback | $1,620 | $1,450 | $170 |
| Year 2 | $3,337 | -$3,914 | $7,251 |
| Year 3 | $5,157 | -$2,425 | $7,582 |
| Year 4 | $7,087 | -$914 | $8,000 |
| Year 5 | $9,132 | $621 | $8,511 |
| Year 6 | $11,300 | $2,182 | $9,118 |
| Year 7 | $13,598 | $3,770 | $9,828 |
| Year 8 | $16,034 | $5,388 | $10,646 |
| Year 9 | $18,616 | $7,039 | $11,577 |
| Year 10 | $21,353 | $8,724 | $12,629 |
| Year 11 | $24,254 | $10,447 | $13,807 |
| Year 12 | $27,329 | $12,210 | $15,119 |
| Year 13 | $30,589 | $14,017 | $16,572 |
| Year 14 | $34,044 | $15,871 | $18,173 |
| Year 15 | $37,707 | $17,776 | $19,931 |
| Year 16 | $41,589 | $19,735 | $21,855 |
| Year 17 | $45,705 | $21,752 | $23,953 |
| Year 18 | $50,067 | $23,833 | $26,234 |
| Year 19 | $54,691 | $25,981 | $28,710 |
| Year 20 | $59,593 | $28,203 | $31,390 |
| Year 21 | $64,788 | $30,502 | $34,286 |
| Year 22 | $70,296 | $32,886 | $37,410 |
| Year 23 | $76,133 | $35,360 | $40,773 |
| Year 24 | $82,321 | $37,932 | $44,390 |
| Year 25 | $88,881 | $40,607 | $48,273 |
Start Saving in Granville
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