How Much Can Solar Save in Cary?
Real numbers based on current ComEd rates and Illinois incentives.
$180
Current Bill/mo
$160
Est. Lease + Battery
6.2 yrs
Payback Period
$56,880
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
$180
Annual Cost
$2,160
25-Year Cost (No Solar)
$118,507
Your Solar Investment
9 kW System
$26,100
$13,151
After All IL Incentives
DG Rebate ($300/kW)-$2,700
Illinois Shines RECs (lump sum, ~18 mo)-$10,249
With vs Without Solar in Cary
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $180/mo | $158/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | $-4/mo |
| 5-Year Cost | $11,664 | $9,480 |
| 25-Year Cost | $118,507 | $61,627 |
| 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
$56,880
Without Solar
With Solar
Year 1
$2,160
$2,210
Year 2Payback Year
$4,450
-$5,800
Year 5
$12,176
$1,111
Year 10
$28,471
$13,448
Year 15
$50,276
$27,196
Year 20
$79,457
$42,968
Year 25
$118,507
$61,627
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1 | $2,160 | $2,210 | -$50 |
| Year 2Payback | $4,450 | -$5,800 | $10,250 |
| Year 3 | $6,877 | -$3,531 | $10,407 |
| Year 4 | $9,449 | -$1,228 | $10,677 |
| Year 5 | $12,176 | $1,111 | $11,065 |
| Year 6 | $15,067 | $3,488 | $11,578 |
| Year 7 | $18,131 | $5,907 | $12,223 |
| Year 8 | $21,379 | $8,371 | $13,007 |
| Year 9 | $24,821 | $10,883 | $13,938 |
| Year 10 | $28,471 | $13,448 | $15,023 |
| Year 11 | $32,339 | $16,068 | $16,271 |
| Year 12 | $36,439 | $18,748 | $17,691 |
| Year 13 | $40,785 | $21,493 | $19,293 |
| Year 14 | $45,393 | $24,307 | $21,086 |
| Year 15 | $50,276 | $27,196 | $23,080 |
| Year 16 | $55,453 | $30,165 | $25,288 |
| Year 17 | $60,940 | $33,220 | $27,720 |
| Year 18 | $66,756 | $36,368 | $30,389 |
| Year 19 | $72,922 | $39,615 | $33,307 |
| Year 20 | $79,457 | $42,968 | $36,489 |
| Year 21 | $86,384 | $46,436 | $39,948 |
| Year 22 | $93,727 | $50,027 | $43,701 |
| Year 23 | $101,511 | $53,749 | $47,762 |
| Year 24 | $109,762 | $57,612 | $52,149 |
| Year 25 | $118,507 | $61,627 | $56,880 |
Start Saving in Cary
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