How Much Can Solar Save in Nashville?
Real numbers based on current Ameren Illinois rates and Illinois incentives.
$133
Current Bill/mo
$141
Est. Lease + Battery
6.7 yrs
Payback Period
$39,813
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
6.5 kW System
$18,850
$10,394
After All IL Incentives
DG Rebate ($300/kW)-$1,950
Illinois Shines RECs (lump sum, ~18 mo)-$6,506
With vs Without Solar in Nashville
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $133/mo | $114/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | $-4/mo |
| 5-Year Cost | $8,618 | $6,840 |
| 25-Year Cost | $87,564 | $47,751 |
| 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
$39,813
Without Solar
With Solar
Year 1
$1,596
$1,639
Year 2Payback Year
$3,288
-$3,204
Year 5
$8,997
$1,942
Year 10
$21,037
$11,176
Year 15
$37,148
$21,538
Year 20
$58,710
$33,506
Year 25
$87,564
$47,750
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1 | $1,596 | $1,639 | -$43 |
| Year 2Payback | $3,288 | -$3,204 | $6,492 |
| Year 3 | $5,081 | -$1,516 | $6,597 |
| Year 4 | $6,982 | $198 | $6,784 |
| Year 5 | $8,997 | $1,942 | $7,055 |
| Year 6 | $11,133 | $3,717 | $7,416 |
| Year 7 | $13,397 | $5,525 | $7,872 |
| Year 8 | $15,796 | $7,369 | $8,427 |
| Year 9 | $18,340 | $9,252 | $9,088 |
| Year 10 | $21,037 | $11,176 | $9,860 |
| Year 11 | $23,895 | $13,145 | $10,749 |
| Year 12 | $26,924 | $15,162 | $11,762 |
| Year 13 | $30,136 | $17,231 | $12,905 |
| Year 14 | $33,540 | $19,355 | $14,185 |
| Year 15 | $37,148 | $21,538 | $15,610 |
| Year 16 | $40,973 | $23,785 | $17,189 |
| Year 17 | $45,028 | $26,100 | $18,928 |
| Year 18 | $49,325 | $28,488 | $20,837 |
| Year 19 | $53,881 | $30,955 | $22,926 |
| Year 20 | $58,710 | $33,506 | $25,204 |
| Year 21 | $63,828 | $36,147 | $27,681 |
| Year 22 | $69,254 | $38,885 | $30,369 |
| Year 23 | $75,005 | $41,726 | $33,279 |
| Year 24 | $81,102 | $44,679 | $36,423 |
| Year 25 | $87,564 | $47,750 | $39,813 |
Start Saving in Nashville
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Ameren Illinois rates projected to rise again next year. Lock in savings now.