How Much Can Solar Save in Buffalo?
Real numbers based on current Ameren Illinois rates and Illinois incentives.
$125
Current Bill/mo
$138
Est. Lease + Battery
6.5 yrs
Payback Period
$38,760
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
6 kW System
$17,400
$9,595
After All IL Incentives
DG Rebate ($300/kW)-$1,800
Illinois Shines RECs (lump sum, ~18 mo)-$6,005
With vs Without Solar in Buffalo
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $125/mo | $105/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | +$0/mo |
| 5-Year Cost | $8,100 | $6,300 |
| 25-Year Cost | $82,297 | $43,537 |
| 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
$38,760
Without Solar
With Solar
Year 1
$1,500
$1,501
Year 2Payback Year
$3,090
-$2,983
Year 5
$8,456
$1,724
Year 10
$19,771
$10,163
Year 15
$34,914
$19,623
Year 20
$55,178
$30,543
Year 25
$82,297
$43,537
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1 | $1,500 | $1,501 | -$1 |
| Year 2Payback | $3,090 | -$2,983 | $6,073 |
| Year 3 | $4,775 | -$1,439 | $6,214 |
| Year 4 | $6,562 | $129 | $6,432 |
| Year 5 | $8,456 | $1,724 | $6,732 |
| Year 6 | $10,463 | $3,346 | $7,117 |
| Year 7 | $12,591 | $4,999 | $7,592 |
| Year 8 | $14,846 | $6,685 | $8,162 |
| Year 9 | $17,237 | $8,405 | $8,832 |
| Year 10 | $19,771 | $10,163 | $9,608 |
| Year 11 | $22,457 | $11,961 | $10,496 |
| Year 12 | $25,305 | $13,803 | $11,502 |
| Year 13 | $28,323 | $15,692 | $12,632 |
| Year 14 | $31,523 | $17,630 | $13,892 |
| Year 15 | $34,914 | $19,623 | $15,291 |
| Year 16 | $38,509 | $21,673 | $16,835 |
| Year 17 | $42,319 | $23,786 | $18,533 |
| Year 18 | $46,358 | $25,965 | $20,394 |
| Year 19 | $50,640 | $28,216 | $22,424 |
| Year 20 | $55,178 | $30,543 | $24,636 |
| Year 21 | $59,989 | $32,952 | $27,037 |
| Year 22 | $65,088 | $35,450 | $29,639 |
| Year 23 | $70,494 | $38,042 | $32,452 |
| Year 24 | $76,223 | $40,735 | $35,488 |
| Year 25 | $82,297 | $43,537 | $38,760 |
Start Saving in Buffalo
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Ameren Illinois rates projected to rise again next year. Lock in savings now.