How Much Can Solar Save in Harwood Heights?
Real numbers based on current ComEd rates and Illinois incentives.
$188
Current Bill/mo
$165
Est. Lease + Battery
5.6 yrs
Payback Period
$64,239
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
$188
Annual Cost
$2,256
25-Year Cost (No Solar)
$123,774
Your Solar Investment
8.5 kW System
$24,650
$12,420
After All IL Incentives
DG Rebate ($300/kW)-$2,550
Illinois Shines RECs (lump sum, ~18 mo)-$9,680
With vs Without Solar in Harwood Heights
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $188/mo | $149/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | +$13/mo |
| 5-Year Cost | $12,182 | $8,940 |
| 25-Year Cost | $123,774 | $59,535 |
| 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
$64,239
Without Solar
With Solar
Year 1Payback Year
$2,256
$2,097
Year 5
$12,717
$1,115
Year 10
$29,736
$12,892
Year 15
$52,511
$26,095
Year 20
$82,988
$41,349
Year 25
$123,774
$59,535
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1Payback | $2,256 | $2,097 | $159 |
| Year 2 | $4,647 | -$5,458 | $10,105 |
| Year 3 | $7,182 | -$3,301 | $10,484 |
| Year 4 | $9,869 | -$1,111 | $10,981 |
| Year 5 | $12,717 | $1,115 | $11,603 |
| Year 6 | $15,736 | $3,379 | $12,357 |
| Year 7 | $18,936 | $5,686 | $13,250 |
| Year 8 | $22,329 | $8,038 | $14,290 |
| Year 9 | $25,924 | $10,439 | $15,485 |
| Year 10 | $29,736 | $12,892 | $16,844 |
| Year 11 | $33,776 | $15,402 | $18,374 |
| Year 12 | $38,059 | $17,972 | $20,086 |
| Year 13 | $42,598 | $20,608 | $21,990 |
| Year 14 | $47,410 | $23,314 | $24,096 |
| Year 15 | $52,511 | $26,095 | $26,415 |
| Year 16 | $57,917 | $28,958 | $28,959 |
| Year 17 | $63,648 | $31,908 | $31,740 |
| Year 18 | $69,723 | $34,952 | $34,771 |
| Year 19 | $76,163 | $38,097 | $38,066 |
| Year 20 | $82,988 | $41,349 | $41,639 |
| Year 21 | $90,224 | $44,718 | $45,505 |
| Year 22 | $97,893 | $48,212 | $49,681 |
| Year 23 | $106,023 | $51,839 | $54,183 |
| Year 24 | $114,640 | $55,610 | $59,030 |
| Year 25 | $123,774 | $59,535 | $64,239 |
Start Saving in Harwood Heights
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