How Much Can Solar Save in South Barrington?
Real numbers based on current ComEd rates and Illinois incentives.
$259
Current Bill/mo
$198
Est. Lease + Battery
7.2 yrs
Payback Period
$72,308
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
$259
Annual Cost
$3,108
25-Year Cost (No Solar)
$170,519
Your Solar Investment
14.5 kW System
$42,050
$22,434
After All IL Incentives
DG Rebate ($300/kW)-$4,350
Illinois Shines RECs (lump sum, ~18 mo)-$15,266
With vs Without Solar in South Barrington
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $259/mo | $255/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | $-36/mo |
| 5-Year Cost | $16,783 | $15,300 |
| 25-Year Cost | $170,519 | $98,211 |
| 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
$72,308
Without Solar
With Solar
Year 1
$3,108
$3,544
Year 2Payback Year
$6,402
-$8,135
Year 5
$17,520
$2,919
Year 10
$40,966
$22,573
Year 15
$72,342
$44,341
Year 20
$114,330
$69,129
Year 25
$170,519
$98,211
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1 | $3,108 | $3,544 | -$436 |
| Year 2Payback | $6,402 | -$8,135 | $14,538 |
| Year 3 | $9,895 | -$4,502 | $14,397 |
| Year 4 | $13,596 | -$818 | $14,415 |
| Year 5 | $17,520 | $2,919 | $14,601 |
| Year 6 | $21,679 | $6,715 | $14,964 |
| Year 7 | $26,088 | $10,574 | $15,514 |
| Year 8 | $30,761 | $14,499 | $16,262 |
| Year 9 | $35,715 | $18,497 | $17,218 |
| Year 10 | $40,966 | $22,573 | $18,392 |
| Year 11 | $46,532 | $26,733 | $19,799 |
| Year 12 | $52,432 | $30,983 | $21,449 |
| Year 13 | $58,686 | $35,329 | $23,357 |
| Year 14 | $65,315 | $39,779 | $25,536 |
| Year 15 | $72,342 | $44,341 | $28,001 |
| Year 16 | $79,790 | $49,022 | $30,768 |
| Year 17 | $87,686 | $53,832 | $33,854 |
| Year 18 | $96,055 | $58,779 | $37,275 |
| Year 19 | $104,926 | $63,875 | $41,051 |
| Year 20 | $114,330 | $69,129 | $45,201 |
| Year 21 | $124,297 | $74,553 | $49,744 |
| Year 22 | $134,863 | $80,160 | $54,703 |
| Year 23 | $146,063 | $85,962 | $60,101 |
| Year 24 | $157,935 | $91,974 | $65,961 |
| Year 25 | $170,519 | $98,211 | $72,308 |
Start Saving in South Barrington
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