How Much Can Solar Save in Sparta?
Real numbers based on current Ameren Illinois rates and Illinois incentives.
$125
Current Bill/mo
$136
Est. Lease + Battery
6.2 yrs
Payback Period
$38,933
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
$125
Annual Cost
$1,500
25-Year Cost (No Solar)
$82,297
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 Sparta
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $125/mo | $97/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | +$6/mo |
| 5-Year Cost | $8,100 | $5,820 |
| 25-Year Cost | $82,297 | $43,364 |
| 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
$38,933
Without Solar
With Solar
Year 1Payback Year
$1,500
$1,434
Year 5
$8,456
$1,912
Year 10
$19,771
$10,104
Year 15
$34,914
$19,403
Year 20
$55,178
$30,273
Year 25
$82,297
$43,364
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1Payback | $1,500 | $1,434 | $66 |
| Year 2 | $3,090 | -$2,614 | $5,704 |
| Year 3 | $4,775 | -$1,133 | $5,908 |
| Year 4 | $6,562 | $375 | $6,187 |
| Year 5 | $8,456 | $1,912 | $6,544 |
| Year 6 | $10,463 | $3,479 | $6,984 |
| Year 7 | $12,591 | $5,080 | $7,511 |
| Year 8 | $14,846 | $6,716 | $8,131 |
| Year 9 | $17,237 | $8,389 | $8,848 |
| Year 10 | $19,771 | $10,104 | $9,667 |
| Year 11 | $22,457 | $11,863 | $10,595 |
| Year 12 | $25,305 | $13,668 | $11,636 |
| Year 13 | $28,323 | $15,525 | $12,799 |
| Year 14 | $31,523 | $17,435 | $14,088 |
| Year 15 | $34,914 | $19,403 | $15,511 |
| Year 16 | $38,509 | $21,434 | $17,075 |
| Year 17 | $42,319 | $23,531 | $18,788 |
| Year 18 | $46,358 | $25,700 | $20,658 |
| Year 19 | $50,640 | $27,946 | $22,694 |
| Year 20 | $55,178 | $30,273 | $24,905 |
| Year 21 | $59,989 | $32,689 | $27,300 |
| Year 22 | $65,088 | $35,199 | $29,889 |
| Year 23 | $70,494 | $37,810 | $32,684 |
| Year 24 | $76,223 | $40,529 | $35,694 |
| Year 25 | $82,297 | $43,364 | $38,933 |
Start Saving in Sparta
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