How Much Can Solar Save in Millbrook?
Real numbers based on current ComEd rates and Illinois incentives.
$188
Current Bill/mo
$164
Est. Lease + Battery
6.2 yrs
Payback Period
$58,705
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
9.5 kW System
$27,550
$13,881
After All IL Incentives
DG Rebate ($300/kW)-$2,850
Illinois Shines RECs (lump sum, ~18 mo)-$10,819
With vs Without Solar in Millbrook
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $188/mo | $167/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | $-7/mo |
| 5-Year Cost | $12,182 | $10,020 |
| 25-Year Cost | $123,774 | $65,069 |
| 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
$58,705
Without Solar
With Solar
Year 1
$2,256
$2,335
Year 2Payback Year
$4,647
-$6,119
Year 5
$12,717
$1,183
Year 10
$29,736
$14,215
Year 15
$52,511
$28,734
Year 20
$82,988
$45,384
Year 25
$123,774
$65,070
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1 | $2,256 | $2,335 | -$79 |
| Year 2Payback | $4,647 | -$6,119 | $10,766 |
| Year 3 | $7,182 | -$3,721 | $10,903 |
| Year 4 | $9,869 | -$1,288 | $11,157 |
| Year 5 | $12,717 | $1,183 | $11,534 |
| Year 6 | $15,736 | $3,695 | $12,042 |
| Year 7 | $18,936 | $6,250 | $12,686 |
| Year 8 | $22,329 | $8,853 | $13,476 |
| Year 9 | $25,924 | $11,507 | $14,418 |
| Year 10 | $29,736 | $14,215 | $15,521 |
| Year 11 | $33,776 | $16,982 | $16,794 |
| Year 12 | $38,059 | $19,813 | $18,246 |
| Year 13 | $42,598 | $22,712 | $19,887 |
| Year 14 | $47,410 | $25,683 | $21,727 |
| Year 15 | $52,511 | $28,734 | $23,777 |
| Year 16 | $57,917 | $31,869 | $26,049 |
| Year 17 | $63,648 | $35,094 | $28,554 |
| Year 18 | $69,723 | $38,417 | $31,306 |
| Year 19 | $76,163 | $41,844 | $34,318 |
| Year 20 | $82,988 | $45,384 | $37,605 |
| Year 21 | $90,224 | $49,043 | $41,180 |
| Year 22 | $97,893 | $52,832 | $45,061 |
| Year 23 | $106,023 | $56,759 | $49,263 |
| Year 24 | $114,640 | $60,835 | $53,805 |
| Year 25 | $123,774 | $65,070 | $58,705 |
Start Saving in Millbrook
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