How Much Can Solar Save in Cullom?
Real numbers based on current Ameren Illinois rates and Illinois incentives.
$118
Current Bill/mo
$136
Est. Lease + Battery
7.6 yrs
Payback Period
$32,644
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
$118
Annual Cost
$1,416
25-Year Cost (No Solar)
$77,688
Your Solar Investment
7 kW System
$20,300
$11,194
After All IL Incentives
DG Rebate ($300/kW)-$2,100
Illinois Shines RECs (lump sum, ~18 mo)-$7,006
With vs Without Solar in Cullom
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $118/mo | $123/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | $-21/mo |
| 5-Year Cost | $7,646 | $7,380 |
| 25-Year Cost | $77,688 | $45,044 |
| 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
$32,644
Without Solar
With Solar
Year 1
$1,416
$1,664
Year 2Payback Year
$2,917
-$3,661
Year 5
$7,982
$1,505
Year 10
$18,664
$10,628
Year 15
$32,959
$20,639
Year 20
$52,088
$31,927
Year 25
$77,688
$45,044
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1 | $1,416 | $1,664 | -$248 |
| Year 2Payback | $2,917 | -$3,661 | $6,578 |
| Year 3 | $4,508 | -$1,960 | $6,468 |
| Year 4 | $6,194 | -$239 | $6,433 |
| Year 5 | $7,982 | $1,505 | $6,477 |
| Year 6 | $9,877 | $3,273 | $6,604 |
| Year 7 | $11,886 | $5,068 | $6,818 |
| Year 8 | $14,015 | $6,890 | $7,125 |
| Year 9 | $16,272 | $8,743 | $7,529 |
| Year 10 | $18,664 | $10,628 | $8,036 |
| Year 11 | $21,200 | $12,549 | $8,651 |
| Year 12 | $23,888 | $14,507 | $9,381 |
| Year 13 | $26,737 | $16,506 | $10,231 |
| Year 14 | $29,757 | $18,549 | $11,209 |
| Year 15 | $32,959 | $20,639 | $12,320 |
| Year 16 | $36,352 | $22,779 | $13,573 |
| Year 17 | $39,949 | $24,974 | $14,976 |
| Year 18 | $43,762 | $27,227 | $16,535 |
| Year 19 | $47,804 | $29,543 | $18,261 |
| Year 20 | $52,088 | $31,927 | $20,161 |
| Year 21 | $56,630 | $34,383 | $22,247 |
| Year 22 | $61,443 | $36,917 | $24,527 |
| Year 23 | $66,546 | $39,534 | $27,012 |
| Year 24 | $71,955 | $42,241 | $29,714 |
| Year 25 | $77,688 | $45,044 | $32,644 |
Start Saving in Cullom
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