How Much Can Solar Save in Roanoke?
Real numbers based on current Ameren Illinois rates and Illinois incentives.
$133
Current Bill/mo
$140
Est. Lease + Battery
6.3 yrs
Payback Period
$41,078
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
$133
Annual Cost
$1,596
25-Year Cost (No Solar)
$87,564
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 Roanoke
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $133/mo | $105/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | +$4/mo |
| 5-Year Cost | $8,618 | $6,300 |
| 25-Year Cost | $87,564 | $46,486 |
| 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
$41,078
Without Solar
With Solar
Year 1Payback Year
$1,596
$1,551
Year 5
$8,997
$2,011
Year 10
$21,037
$10,843
Year 15
$37,148
$20,840
Year 20
$58,710
$32,492
Year 25
$87,564
$46,486
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1Payback | $1,596 | $1,551 | $45 |
| Year 2 | $3,288 | -$2,879 | $6,166 |
| Year 3 | $5,081 | -$1,277 | $6,358 |
| Year 4 | $6,982 | $352 | $6,630 |
| Year 5 | $8,997 | $2,011 | $6,986 |
| Year 6 | $11,133 | $3,703 | $7,430 |
| Year 7 | $13,397 | $5,429 | $7,967 |
| Year 8 | $15,796 | $7,193 | $8,604 |
| Year 9 | $18,340 | $8,996 | $9,344 |
| Year 10 | $21,037 | $10,843 | $10,194 |
| Year 11 | $23,895 | $12,736 | $11,159 |
| Year 12 | $26,924 | $14,678 | $12,246 |
| Year 13 | $30,136 | $16,674 | $13,462 |
| Year 14 | $33,540 | $18,726 | $14,814 |
| Year 15 | $37,148 | $20,840 | $16,309 |
| Year 16 | $40,973 | $23,019 | $17,954 |
| Year 17 | $45,028 | $25,269 | $19,759 |
| Year 18 | $49,325 | $27,594 | $21,732 |
| Year 19 | $53,881 | $30,000 | $23,881 |
| Year 20 | $58,710 | $32,492 | $26,218 |
| Year 21 | $63,828 | $35,077 | $28,751 |
| Year 22 | $69,254 | $37,762 | $31,492 |
| Year 23 | $75,005 | $40,553 | $34,452 |
| Year 24 | $81,102 | $43,458 | $37,643 |
| Year 25 | $87,564 | $46,486 | $41,078 |
Start Saving in Roanoke
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Ameren Illinois rates projected to rise again next year. Lock in savings now.