How Much Can Solar Save in Tinley Park?
Real numbers based on current ComEd rates and Illinois incentives.
$179
Current Bill/mo
$157
Est. Lease + Battery
5.4 yrs
Payback Period
$59,810
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
$179
Annual Cost
$2,148
25-Year Cost (No Solar)
$117,849
Your Solar Investment
7.5 kW System
$21,750
$10,959
After All IL Incentives
DG Rebate ($300/kW)-$2,250
Illinois Shines RECs (lump sum, ~18 mo)-$8,541
With vs Without Solar in Tinley Park
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $179/mo | $132/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | +$17/mo |
| 5-Year Cost | $11,599 | $7,920 |
| 25-Year Cost | $117,849 | $58,039 |
| 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
$59,810
Without Solar
With Solar
Year 1Payback Year
$2,148
$1,946
Year 5
$12,108
$1,528
Year 10
$28,312
$12,661
Year 15
$49,997
$25,316
Year 20
$79,015
$40,140
Year 25
$117,849
$58,038
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1Payback | $2,148 | $1,946 | $202 |
| Year 2 | $4,425 | -$4,617 | $9,042 |
| Year 3 | $6,838 | -$2,606 | $9,445 |
| Year 4 | $9,397 | -$558 | $9,955 |
| Year 5 | $12,108 | $1,528 | $10,580 |
| Year 6 | $14,983 | $3,657 | $11,326 |
| Year 7 | $18,030 | $5,831 | $12,199 |
| Year 8 | $21,260 | $8,054 | $13,205 |
| Year 9 | $24,683 | $10,329 | $14,354 |
| Year 10 | $28,312 | $12,661 | $15,652 |
| Year 11 | $32,159 | $15,052 | $17,107 |
| Year 12 | $36,237 | $17,509 | $18,728 |
| Year 13 | $40,559 | $20,035 | $20,524 |
| Year 14 | $45,140 | $22,635 | $22,505 |
| Year 15 | $49,997 | $25,316 | $24,681 |
| Year 16 | $55,145 | $28,083 | $27,062 |
| Year 17 | $60,601 | $30,941 | $29,660 |
| Year 18 | $66,385 | $33,899 | $32,486 |
| Year 19 | $72,516 | $36,963 | $35,554 |
| Year 20 | $79,015 | $40,140 | $38,875 |
| Year 21 | $85,904 | $43,440 | $42,465 |
| Year 22 | $93,207 | $46,869 | $46,337 |
| Year 23 | $100,947 | $50,439 | $50,508 |
| Year 24 | $109,152 | $54,158 | $54,993 |
| Year 25 | $117,849 | $58,038 | $59,810 |
Start Saving in Tinley Park
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