How Much Can Solar Save in Ottawa?
Real numbers based on current ComEd rates and Illinois incentives.
$139
Current Bill/mo
$137
Est. Lease + Battery
5.2 yrs
Payback Period
$47,509
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
$139
Annual Cost
$1,668
25-Year Cost (No Solar)
$91,514
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 Ottawa
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $139/mo | $97/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | +$18/mo |
| 5-Year Cost | $9,007 | $5,820 |
| 25-Year Cost | $91,514 | $44,005 |
| 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
$47,509
Without Solar
With Solar
Year 1Payback Year
$1,668
$1,448
Year 5
$9,403
$1,245
Year 10
$21,986
$9,587
Year 15
$38,824
$19,124
Year 20
$61,358
$30,361
Year 25
$91,514
$44,005
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1Payback | $1,668 | $1,448 | $220 |
| Year 2 | $3,436 | -$3,342 | $6,778 |
| Year 3 | $5,310 | -$1,842 | $7,152 |
| Year 4 | $7,297 | -$314 | $7,611 |
| Year 5 | $9,403 | $1,245 | $8,158 |
| Year 6 | $11,635 | $2,837 | $8,798 |
| Year 7 | $14,001 | $4,464 | $9,537 |
| Year 8 | $16,509 | $6,130 | $10,379 |
| Year 9 | $19,168 | $7,836 | $11,331 |
| Year 10 | $21,986 | $9,587 | $12,398 |
| Year 11 | $24,973 | $11,385 | $13,588 |
| Year 12 | $28,139 | $13,234 | $14,905 |
| Year 13 | $31,495 | $15,137 | $16,358 |
| Year 14 | $35,053 | $17,099 | $17,954 |
| Year 15 | $38,824 | $19,124 | $19,700 |
| Year 16 | $42,822 | $21,216 | $21,606 |
| Year 17 | $47,059 | $23,380 | $23,679 |
| Year 18 | $51,551 | $25,622 | $25,928 |
| Year 19 | $56,312 | $27,947 | $28,365 |
| Year 20 | $61,358 | $30,361 | $30,998 |
| Year 21 | $66,708 | $32,870 | $33,838 |
| Year 22 | $72,378 | $35,482 | $36,897 |
| Year 23 | $78,389 | $38,203 | $40,186 |
| Year 24 | $84,760 | $41,041 | $43,720 |
| Year 25 | $91,514 | $44,005 | $47,509 |
Start Saving in Ottawa
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