How Much Can Solar Save in Coffeen?
Real numbers based on current Ameren Illinois rates and Illinois incentives.
$109
Current Bill/mo
$131
Est. Lease + Battery
6.1 yrs
Payback Period
$36,968
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
$109
Annual Cost
$1,308
25-Year Cost (No Solar)
$71,763
Your Solar Investment
5 kW System
$14,500
$7,995
After All IL Incentives
DG Rebate ($300/kW)-$1,500
Illinois Shines RECs (lump sum, ~18 mo)-$5,005
With vs Without Solar in Coffeen
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $109/mo | $88/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | +$8/mo |
| 5-Year Cost | $7,063 | $5,280 |
| 25-Year Cost | $71,763 | $34,795 |
| 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
$36,968
Without Solar
With Solar
Year 1Payback Year
$1,308
$1,217
Year 5
$7,373
$1,252
Year 10
$17,240
$8,055
Year 15
$30,445
$15,653
Year 20
$48,116
$24,400
Year 25
$71,763
$34,795
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1Payback | $1,308 | $1,217 | $91 |
| Year 2 | $2,694 | -$2,555 | $5,250 |
| Year 3 | $4,164 | -$1,305 | $5,470 |
| Year 4 | $5,722 | -$37 | $5,759 |
| Year 5 | $7,373 | $1,252 | $6,122 |
| Year 6 | $9,124 | $2,562 | $6,562 |
| Year 7 | $10,979 | $3,895 | $7,084 |
| Year 8 | $12,946 | $5,254 | $7,692 |
| Year 9 | $15,031 | $6,640 | $8,391 |
| Year 10 | $17,240 | $8,055 | $9,186 |
| Year 11 | $19,583 | $9,501 | $10,082 |
| Year 12 | $22,066 | $10,981 | $11,084 |
| Year 13 | $24,698 | $12,498 | $12,200 |
| Year 14 | $27,488 | $14,055 | $13,433 |
| Year 15 | $30,445 | $15,653 | $14,792 |
| Year 16 | $33,580 | $17,297 | $16,283 |
| Year 17 | $36,902 | $18,990 | $17,912 |
| Year 18 | $40,425 | $20,735 | $19,689 |
| Year 19 | $44,158 | $22,538 | $21,621 |
| Year 20 | $48,116 | $24,400 | $23,715 |
| Year 21 | $52,310 | $26,328 | $25,982 |
| Year 22 | $56,757 | $28,327 | $28,431 |
| Year 23 | $61,471 | $30,400 | $31,071 |
| Year 24 | $66,467 | $32,554 | $33,913 |
| Year 25 | $71,763 | $34,795 | $36,968 |
Start Saving in Coffeen
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