How Much Can Solar Save in Chatsworth?
Real numbers based on current Ameren Illinois rates and Illinois incentives.
$121
Current Bill/mo
$138
Est. Lease + Battery
6 yrs
Payback Period
$41,114
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
$121
Annual Cost
$1,452
25-Year Cost (No Solar)
$79,663
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 Chatsworth
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $121/mo | $97/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | +$9/mo |
| 5-Year Cost | $7,841 | $5,820 |
| 25-Year Cost | $79,663 | $38,549 |
| 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
$41,114
Without Solar
With Solar
Year 1Payback Year
$1,452
$1,343
Year 5
$8,185
$1,402
Year 10
$19,139
$8,921
Year 15
$33,797
$17,329
Year 20
$53,413
$27,019
Year 25
$79,663
$38,549
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1Payback | $1,452 | $1,343 | $109 |
| Year 2 | $2,991 | -$2,801 | $5,792 |
| Year 3 | $4,623 | -$1,421 | $6,044 |
| Year 4 | $6,352 | -$21 | $6,373 |
| Year 5 | $8,185 | $1,402 | $6,783 |
| Year 6 | $10,128 | $2,850 | $7,278 |
| Year 7 | $12,188 | $4,323 | $7,865 |
| Year 8 | $14,371 | $5,825 | $8,547 |
| Year 9 | $16,685 | $7,356 | $9,329 |
| Year 10 | $19,139 | $8,921 | $10,218 |
| Year 11 | $21,739 | $10,521 | $11,218 |
| Year 12 | $24,495 | $12,158 | $12,337 |
| Year 13 | $27,417 | $13,837 | $13,580 |
| Year 14 | $30,514 | $15,559 | $14,955 |
| Year 15 | $33,797 | $17,329 | $16,468 |
| Year 16 | $37,277 | $19,149 | $18,128 |
| Year 17 | $40,965 | $21,024 | $19,941 |
| Year 18 | $44,875 | $22,958 | $21,917 |
| Year 19 | $49,020 | $24,955 | $24,065 |
| Year 20 | $53,413 | $27,019 | $26,393 |
| Year 21 | $58,069 | $29,157 | $28,913 |
| Year 22 | $63,006 | $31,373 | $31,633 |
| Year 23 | $68,238 | $33,672 | $34,566 |
| Year 24 | $73,784 | $36,062 | $37,722 |
| Year 25 | $79,663 | $38,549 | $41,114 |
Start Saving in Chatsworth
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