How Much Can Solar Save in Johnsburg?
Real numbers based on current ComEd rates and Illinois incentives.
$185
Current Bill/mo
$164
Est. Lease + Battery
6.3 yrs
Payback Period
$58,578
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
$185
Annual Cost
$2,220
25-Year Cost (No Solar)
$121,799
Your Solar Investment
9.5 kW System
$27,550
$13,881
After All IL Incentives
DG Rebate ($300/kW)-$2,850
Illinois Shines RECs (lump sum, ~18 mo)-$10,819
With vs Without Solar in Johnsburg
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $185/mo | $167/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | $-7/mo |
| 5-Year Cost | $11,988 | $10,020 |
| 25-Year Cost | $121,799 | $63,221 |
| 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
$58,578
Without Solar
With Solar
Year 1
$2,220
$2,302
Year 2Payback Year
$4,573
-$6,188
Year 5
$12,514
$994
Year 10
$29,261
$13,772
Year 15
$51,673
$27,951
Year 20
$81,664
$44,145
Year 25
$121,799
$63,221
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1 | $2,220 | $2,302 | -$82 |
| Year 2Payback | $4,573 | -$6,188 | $10,761 |
| Year 3 | $7,068 | -$3,828 | $10,895 |
| Year 4 | $9,712 | -$1,435 | $11,146 |
| Year 5 | $12,514 | $994 | $11,520 |
| Year 6 | $15,485 | $3,461 | $12,025 |
| Year 7 | $18,634 | $5,968 | $12,666 |
| Year 8 | $21,972 | $8,521 | $13,452 |
| Year 9 | $25,511 | $11,121 | $14,390 |
| Year 10 | $29,261 | $13,772 | $15,489 |
| Year 11 | $33,237 | $16,479 | $16,758 |
| Year 12 | $37,451 | $19,246 | $18,205 |
| Year 13 | $41,918 | $22,077 | $19,841 |
| Year 14 | $46,653 | $24,977 | $21,676 |
| Year 15 | $51,673 | $27,951 | $23,721 |
| Year 16 | $56,993 | $31,005 | $25,988 |
| Year 17 | $62,633 | $34,145 | $28,487 |
| Year 18 | $68,611 | $37,377 | $31,233 |
| Year 19 | $74,947 | $40,708 | $34,239 |
| Year 20 | $81,664 | $44,145 | $37,519 |
| Year 21 | $88,784 | $47,697 | $41,087 |
| Year 22 | $96,331 | $51,371 | $44,960 |
| Year 23 | $104,331 | $55,176 | $49,154 |
| Year 24 | $112,811 | $59,123 | $53,688 |
| Year 25 | $121,799 | $63,221 | $58,578 |
Start Saving in Johnsburg
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