How Much Can Solar Save in Bunker Hill?
Real numbers based on current Ameren Illinois rates and Illinois incentives.
$129
Current Bill/mo
$140
Est. Lease + Battery
5.9 yrs
Payback Period
$42,733
25-Year Savings
What You're Paying Now
Without solar, here's what Ameren Illinois electricity will cost you over time at 6% annual rate increases.
Monthly Bill
$129
Annual Cost
$1,548
25-Year Cost (No Solar)
$84,930
Your Solar Investment
5.5 kW System
$15,950
$8,795
After All IL Incentives
DG Rebate ($300/kW)-$1,650
Illinois Shines RECs (lump sum, ~18 mo)-$5,505
With vs Without Solar in Bunker Hill
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $129/mo | $97/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | +$12/mo |
| 5-Year Cost | $8,359 | $5,820 |
| 25-Year Cost | $84,930 | $42,197 |
| 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
$42,733
Without Solar
With Solar
Year 1Payback Year
$1,548
$1,407
Year 5
$8,726
$1,766
Year 10
$20,404
$9,778
Year 15
$36,031
$18,853
Year 20
$56,944
$29,447
Year 25
$84,930
$42,198
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1Payback | $1,548 | $1,407 | $141 |
| Year 2 | $3,189 | -$2,669 | $5,858 |
| Year 3 | $4,928 | -$1,216 | $6,145 |
| Year 4 | $6,772 | $261 | $6,511 |
| Year 5 | $8,726 | $1,766 | $6,960 |
| Year 6 | $10,798 | $3,301 | $7,497 |
| Year 7 | $12,994 | $4,866 | $8,127 |
| Year 8 | $15,321 | $6,466 | $8,855 |
| Year 9 | $17,789 | $8,102 | $9,686 |
| Year 10 | $20,404 | $9,778 | $10,626 |
| Year 11 | $23,176 | $11,495 | $11,681 |
| Year 12 | $26,115 | $13,258 | $12,857 |
| Year 13 | $29,230 | $15,069 | $14,160 |
| Year 14 | $32,531 | $16,933 | $15,598 |
| Year 15 | $36,031 | $18,853 | $17,178 |
| Year 16 | $39,741 | $20,833 | $18,909 |
| Year 17 | $43,674 | $22,877 | $20,797 |
| Year 18 | $47,842 | $24,991 | $22,851 |
| Year 19 | $52,260 | $27,179 | $25,082 |
| Year 20 | $56,944 | $29,447 | $27,498 |
| Year 21 | $61,909 | $31,800 | $30,109 |
| Year 22 | $67,171 | $34,245 | $32,927 |
| Year 23 | $72,750 | $36,788 | $35,962 |
| Year 24 | $78,663 | $39,436 | $39,226 |
| Year 25 | $84,930 | $42,198 | $42,733 |
Start Saving in Bunker Hill
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