How Much Can Solar Save in West City?
Real numbers based on current Ameren Illinois rates and Illinois incentives.
$113
Current Bill/mo
$129
Est. Lease + Battery
5.7 yrs
Payback Period
$36,819
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
$113
Annual Cost
$1,356
25-Year Cost (No Solar)
$74,396
Your Solar Investment
4.5 kW System
$13,050
$7,196
After All IL Incentives
DG Rebate ($300/kW)-$1,350
Illinois Shines RECs (lump sum, ~18 mo)-$4,504
With vs Without Solar in West City
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $113/mo | $79/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | +$13/mo |
| 5-Year Cost | $7,322 | $4,740 |
| 25-Year Cost | $74,396 | $37,577 |
| 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
$36,819
Without Solar
With Solar
Year 1Payback Year
$1,356
$1,204
Year 5
$7,644
$1,746
Year 10
$17,873
$8,711
Year 15
$31,562
$16,692
Year 20
$49,881
$26,117
Year 25
$74,396
$37,577
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1Payback | $1,356 | $1,204 | $152 |
| Year 2 | $2,793 | -$2,074 | $4,867 |
| Year 3 | $4,317 | -$826 | $5,143 |
| Year 4 | $5,932 | $447 | $5,485 |
| Year 5 | $7,644 | $1,746 | $5,898 |
| Year 6 | $9,459 | $3,074 | $6,385 |
| Year 7 | $11,382 | $4,432 | $6,950 |
| Year 8 | $13,421 | $5,822 | $7,599 |
| Year 9 | $15,582 | $7,248 | $8,335 |
| Year 10 | $17,873 | $8,711 | $9,163 |
| Year 11 | $20,302 | $10,214 | $10,088 |
| Year 12 | $22,876 | $11,761 | $11,115 |
| Year 13 | $25,604 | $13,354 | $12,251 |
| Year 14 | $28,496 | $14,996 | $13,500 |
| Year 15 | $31,562 | $16,692 | $14,870 |
| Year 16 | $34,812 | $18,446 | $16,366 |
| Year 17 | $38,257 | $20,260 | $17,997 |
| Year 18 | $41,908 | $22,140 | $19,768 |
| Year 19 | $45,779 | $24,091 | $21,688 |
| Year 20 | $49,881 | $26,117 | $23,765 |
| Year 21 | $54,230 | $28,223 | $26,007 |
| Year 22 | $58,840 | $30,416 | $28,424 |
| Year 23 | $63,726 | $32,702 | $31,025 |
| Year 24 | $68,906 | $35,086 | $33,820 |
| Year 25 | $74,396 | $37,577 | $36,819 |
Start Saving in West City
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Ameren Illinois rates projected to rise again next year. Lock in savings now.