How Much Can Solar Save in Rockdale?
Real numbers based on current ComEd rates and Illinois incentives.
$146
Current Bill/mo
$144
Est. Lease + Battery
5.2 yrs
Payback Period
$52,095
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
$146
Annual Cost
$1,752
25-Year Cost (No Solar)
$96,123
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 Rockdale
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $146/mo | $105/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | +$20/mo |
| 5-Year Cost | $9,461 | $6,300 |
| 25-Year Cost | $96,123 | $44,028 |
| 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
$52,095
Without Solar
With Solar
Year 1Payback Year
$1,752
$1,507
Year 5
$9,876
$947
Year 10
$23,093
$9,499
Year 15
$40,779
$19,171
Year 20
$64,448
$30,450
Year 25
$96,123
$44,027
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1Payback | $1,752 | $1,507 | $245 |
| Year 2 | $3,609 | -$3,796 | $7,405 |
| Year 3 | $5,578 | -$2,242 | $7,820 |
| Year 4 | $7,664 | -$662 | $8,326 |
| Year 5 | $9,876 | $947 | $8,929 |
| Year 6 | $12,221 | $2,586 | $9,635 |
| Year 7 | $14,706 | $4,258 | $10,448 |
| Year 8 | $17,340 | $5,966 | $11,374 |
| Year 9 | $20,133 | $7,712 | $12,421 |
| Year 10 | $23,093 | $9,499 | $13,593 |
| Year 11 | $26,230 | $11,331 | $14,900 |
| Year 12 | $29,556 | $13,210 | $16,346 |
| Year 13 | $33,082 | $15,140 | $17,941 |
| Year 14 | $36,818 | $17,126 | $19,693 |
| Year 15 | $40,779 | $19,171 | $21,609 |
| Year 16 | $44,978 | $21,279 | $23,699 |
| Year 17 | $49,429 | $23,456 | $25,973 |
| Year 18 | $54,147 | $25,707 | $28,440 |
| Year 19 | $59,148 | $28,036 | $31,111 |
| Year 20 | $64,448 | $30,450 | $33,998 |
| Year 21 | $70,067 | $32,956 | $37,112 |
| Year 22 | $76,023 | $35,559 | $40,465 |
| Year 23 | $82,337 | $38,266 | $44,070 |
| Year 24 | $89,029 | $41,087 | $47,942 |
| Year 25 | $96,123 | $44,027 | $52,095 |
Start Saving in Rockdale
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