How Much Can Solar Save in Tower Lakes?
Real numbers based on current ComEd rates and Illinois incentives.
$240
Current Bill/mo
$189
Est. Lease + Battery
7 yrs
Payback Period
$69,448
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
$240
Annual Cost
$2,880
25-Year Cost (No Solar)
$158,010
Your Solar Investment
13 kW System
$37,700
$20,114
After All IL Incentives
DG Rebate ($300/kW)-$3,900
Illinois Shines RECs (lump sum, ~18 mo)-$13,686
With vs Without Solar in Tower Lakes
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $240/mo | $228/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | $-25/mo |
| 5-Year Cost | $15,552 | $13,680 |
| 25-Year Cost | $158,010 | $88,562 |
| 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
$69,448
Without Solar
With Solar
Year 1
$2,880
$3,180
Year 2Payback Year
$5,933
-$7,287
Year 5
$16,235
$2,639
Year 10
$37,961
$20,305
Year 15
$67,035
$39,903
Year 20
$105,943
$62,266
Year 25
$158,010
$88,562
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1 | $2,880 | $3,180 | -$300 |
| Year 2Payback | $5,933 | -$7,287 | $13,220 |
| Year 3 | $9,169 | -$4,025 | $13,194 |
| Year 4 | $12,599 | -$718 | $13,316 |
| Year 5 | $16,235 | $2,639 | $13,596 |
| Year 6 | $20,089 | $6,049 | $14,040 |
| Year 7 | $24,174 | $9,516 | $14,658 |
| Year 8 | $28,505 | $13,045 | $15,460 |
| Year 9 | $33,095 | $16,640 | $16,455 |
| Year 10 | $37,961 | $20,305 | $17,655 |
| Year 11 | $43,118 | $24,048 | $19,071 |
| Year 12 | $48,585 | $27,872 | $20,713 |
| Year 13 | $54,381 | $31,785 | $22,595 |
| Year 14 | $60,523 | $35,793 | $24,730 |
| Year 15 | $67,035 | $39,903 | $27,132 |
| Year 16 | $73,937 | $44,123 | $29,814 |
| Year 17 | $81,253 | $48,460 | $32,793 |
| Year 18 | $89,008 | $52,923 | $36,085 |
| Year 19 | $97,229 | $57,522 | $39,707 |
| Year 20 | $105,943 | $62,266 | $43,677 |
| Year 21 | $115,179 | $67,166 | $48,013 |
| Year 22 | $124,970 | $72,233 | $52,737 |
| Year 23 | $135,348 | $77,479 | $57,869 |
| Year 24 | $146,349 | $82,917 | $63,431 |
| Year 25 | $158,010 | $88,562 | $69,448 |
Start Saving in Tower Lakes
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