How Much Can Solar Save in Johnston City?
Real numbers based on current Ameren Illinois rates and Illinois incentives.
$114
Current Bill/mo
$133
Est. Lease + Battery
6.5 yrs
Payback Period
$35,786
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
$114
Annual Cost
$1,368
25-Year Cost (No Solar)
$75,055
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 Johnston City
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $114/mo | $97/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | +$0/mo |
| 5-Year Cost | $7,387 | $5,820 |
| 25-Year Cost | $75,055 | $39,269 |
| 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
$35,786
Without Solar
With Solar
Year 1Payback Year
$1,368
$1,364
Year 5
$7,712
$1,512
Year 10
$18,031
$9,159
Year 15
$31,842
$17,712
Year 20
$50,323
$27,565
Year 25
$75,055
$39,269
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1Payback | $1,368 | $1,364 | $4 |
| Year 2 | $2,818 | -$2,759 | $5,577 |
| Year 3 | $4,355 | -$1,357 | $5,713 |
| Year 4 | $5,984 | $66 | $5,919 |
| Year 5 | $7,712 | $1,512 | $6,199 |
| Year 6 | $9,542 | $2,984 | $6,558 |
| Year 7 | $11,483 | $4,482 | $7,001 |
| Year 8 | $13,540 | $6,009 | $7,531 |
| Year 9 | $15,720 | $7,567 | $8,153 |
| Year 10 | $18,031 | $9,159 | $8,873 |
| Year 11 | $20,481 | $10,786 | $9,695 |
| Year 12 | $23,078 | $12,452 | $10,626 |
| Year 13 | $25,831 | $14,160 | $11,671 |
| Year 14 | $28,749 | $15,912 | $12,837 |
| Year 15 | $31,842 | $17,712 | $14,129 |
| Year 16 | $35,120 | $19,564 | $15,556 |
| Year 17 | $38,595 | $21,471 | $17,125 |
| Year 18 | $42,279 | $23,437 | $18,842 |
| Year 19 | $46,184 | $25,467 | $20,717 |
| Year 20 | $50,323 | $27,565 | $22,758 |
| Year 21 | $54,710 | $29,737 | $24,973 |
| Year 22 | $59,361 | $31,987 | $27,374 |
| Year 23 | $64,290 | $34,322 | $29,969 |
| Year 24 | $69,516 | $36,747 | $32,769 |
| Year 25 | $75,055 | $39,269 | $35,786 |
Start Saving in Johnston City
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