How Much Can Solar Save in Rockton?
Real numbers based on current ComEd rates and Illinois incentives.
$161
Current Bill/mo
$148
Est. Lease + Battery
5.6 yrs
Payback Period
$52,364
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
7 kW System
$20,300
$10,228
After All IL Incentives
DG Rebate ($300/kW)-$2,100
Illinois Shines RECs (lump sum, ~18 mo)-$7,972
With vs Without Solar in Rockton
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $161/mo | $123/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | +$10/mo |
| 5-Year Cost | $10,433 | $7,380 |
| 25-Year Cost | $105,998 | $53,634 |
| 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
$52,364
Without Solar
With Solar
Year 1Payback Year
$1,932
$1,811
Year 5
$10,891
$1,395
Year 10
$25,465
$11,730
Year 15
$44,969
$23,452
Year 20
$71,070
$37,147
Year 25
$105,998
$53,635
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1Payback | $1,932 | $1,811 | $121 |
| Year 2 | $3,980 | -$4,320 | $8,300 |
| Year 3 | $6,151 | -$2,449 | $8,600 |
| Year 4 | $8,452 | -$545 | $8,997 |
| Year 5 | $10,891 | $1,395 | $9,496 |
| Year 6 | $13,476 | $3,373 | $10,104 |
| Year 7 | $16,217 | $5,392 | $10,825 |
| Year 8 | $19,122 | $7,456 | $11,666 |
| Year 9 | $22,201 | $9,567 | $12,634 |
| Year 10 | $25,465 | $11,730 | $13,735 |
| Year 11 | $28,925 | $13,947 | $14,978 |
| Year 12 | $32,593 | $16,224 | $16,369 |
| Year 13 | $36,480 | $18,564 | $17,917 |
| Year 14 | $40,601 | $20,971 | $19,630 |
| Year 15 | $44,969 | $23,452 | $21,517 |
| Year 16 | $49,599 | $26,011 | $23,589 |
| Year 17 | $54,507 | $28,653 | $25,854 |
| Year 18 | $59,710 | $31,386 | $28,324 |
| Year 19 | $65,224 | $34,215 | $31,010 |
| Year 20 | $71,070 | $37,147 | $33,923 |
| Year 21 | $77,266 | $40,190 | $37,076 |
| Year 22 | $83,834 | $43,351 | $40,483 |
| Year 23 | $90,796 | $46,640 | $44,156 |
| Year 24 | $98,176 | $50,064 | $48,112 |
| Year 25 | $105,998 | $53,635 | $52,364 |
Start Saving in Rockton
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