How Much Can Solar Save in Port Barrington?
Real numbers based on current ComEd rates and Illinois incentives.
$202
Current Bill/mo
$159
Est. Lease + Battery
9.9 yrs
Payback Period
$30,237
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
$202
Annual Cost
$2,424
25-Year Cost (No Solar)
$132,992
Your Solar Investment
15 kW System
$43,500
$23,208
After All IL Incentives
DG Rebate ($300/kW)-$4,500
Illinois Shines RECs (lump sum, ~18 mo)-$15,792
With vs Without Solar in Port Barrington
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $202/mo | $263/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | $-110/mo |
| 5-Year Cost | $13,090 | $15,780 |
| 25-Year Cost | $132,992 | $102,755 |
| 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
$30,237
Without Solar
With Solar
Year 1
$2,424
$3,750
Year 2Payback Year
$4,993
-$8,248
Year 5
$13,664
$3,440
Year 10
$31,950
$24,172
Year 15
$56,421
$47,015
Year 20
$89,168
$72,817
Year 25
$132,992
$102,755
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1 | $2,424 | $3,750 | -$1,326 |
| Year 2Payback | $4,993 | -$8,248 | $13,241 |
| Year 3 | $7,717 | -$4,405 | $12,122 |
| Year 4 | $10,604 | -$510 | $11,114 |
| Year 5 | $13,664 | $3,440 | $10,224 |
| Year 6 | $16,908 | $7,450 | $9,458 |
| Year 7 | $20,347 | $11,523 | $8,823 |
| Year 8 | $23,991 | $15,665 | $8,327 |
| Year 9 | $27,855 | $19,880 | $7,975 |
| Year 10 | $31,950 | $24,172 | $7,778 |
| Year 11 | $36,291 | $28,549 | $7,743 |
| Year 12 | $40,893 | $33,015 | $7,878 |
| Year 13 | $45,770 | $37,576 | $8,194 |
| Year 14 | $50,941 | $42,241 | $8,700 |
| Year 15 | $56,421 | $47,015 | $9,406 |
| Year 16 | $62,230 | $51,906 | $10,324 |
| Year 17 | $68,388 | $56,923 | $11,465 |
| Year 18 | $74,915 | $62,074 | $12,841 |
| Year 19 | $81,834 | $67,369 | $14,466 |
| Year 20 | $89,168 | $72,817 | $16,352 |
| Year 21 | $96,942 | $78,429 | $18,514 |
| Year 22 | $105,183 | $84,216 | $20,967 |
| Year 23 | $113,918 | $90,191 | $23,727 |
| Year 24 | $123,177 | $96,366 | $26,811 |
| Year 25 | $132,992 | $102,755 | $30,237 |
Start Saving in Port Barrington
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