How Much Can Solar Save in Carterville?
Real numbers based on current Ameren Illinois rates and Illinois incentives.
$143
Current Bill/mo
$149
Est. Lease + Battery
8.4 yrs
Payback Period
$34,075
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
$143
Annual Cost
$1,716
25-Year Cost (No Solar)
$94,148
Your Solar Investment
9.5 kW System
$27,550
$15,191
After All IL Incentives
DG Rebate ($300/kW)-$2,850
Illinois Shines RECs (lump sum, ~18 mo)-$9,509
With vs Without Solar in Carterville
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $143/mo | $167/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | $-45/mo |
| 5-Year Cost | $9,266 | $10,020 |
| 25-Year Cost | $94,148 | $60,073 |
| 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
$34,075
Without Solar
With Solar
Year 1
$1,716
$2,253
Year 2Payback Year
$3,535
-$4,980
Year 5
$9,673
$2,002
Year 10
$22,618
$14,293
Year 15
$39,942
$27,710
Year 20
$63,124
$42,741
Year 25
$94,148
$60,072
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1 | $1,716 | $2,253 | -$537 |
| Year 2Payback | $3,535 | -$4,980 | $8,515 |
| Year 3 | $5,463 | -$2,680 | $8,143 |
| Year 4 | $7,507 | -$353 | $7,860 |
| Year 5 | $9,673 | $2,002 | $7,671 |
| Year 6 | $11,970 | $4,389 | $7,581 |
| Year 7 | $14,404 | $6,808 | $7,595 |
| Year 8 | $16,984 | $9,264 | $7,720 |
| Year 9 | $19,719 | $11,758 | $7,961 |
| Year 10 | $22,618 | $14,293 | $8,325 |
| Year 11 | $25,691 | $16,873 | $8,818 |
| Year 12 | $28,949 | $19,501 | $9,448 |
| Year 13 | $32,402 | $22,181 | $10,221 |
| Year 14 | $36,062 | $24,915 | $11,146 |
| Year 15 | $39,942 | $27,710 | $12,232 |
| Year 16 | $44,054 | $30,568 | $13,486 |
| Year 17 | $48,413 | $33,495 | $14,918 |
| Year 18 | $53,034 | $36,496 | $16,538 |
| Year 19 | $57,932 | $39,576 | $18,356 |
| Year 20 | $63,124 | $42,741 | $20,383 |
| Year 21 | $68,628 | $45,997 | $22,631 |
| Year 22 | $74,461 | $49,351 | $25,111 |
| Year 23 | $80,645 | $52,809 | $27,836 |
| Year 24 | $87,200 | $56,380 | $30,819 |
| Year 25 | $94,148 | $60,072 | $34,075 |
Start Saving in Carterville
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