How Much Can Solar Save in Westville?
Real numbers based on current Ameren Illinois rates and Illinois incentives.
$119
Current Bill/mo
$137
Est. Lease + Battery
6.1 yrs
Payback Period
$40,014
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
$119
Annual Cost
$1,428
25-Year Cost (No Solar)
$78,347
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 Westville
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $119/mo | $97/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | +$7/mo |
| 5-Year Cost | $7,711 | $5,820 |
| 25-Year Cost | $78,347 | $38,333 |
| 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
$40,014
Without Solar
With Solar
Year 1Payback Year
$1,428
$1,341
Year 5
$8,050
$1,388
Year 10
$18,822
$8,882
Year 15
$33,238
$17,253
Year 20
$52,530
$26,887
Year 25
$78,347
$38,333
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1Payback | $1,428 | $1,341 | $87 |
| Year 2 | $2,942 | -$2,806 | $5,748 |
| Year 3 | $4,546 | -$1,429 | $5,976 |
| Year 4 | $6,247 | -$32 | $6,279 |
| Year 5 | $8,050 | $1,388 | $6,662 |
| Year 6 | $9,961 | $2,831 | $7,130 |
| Year 7 | $11,986 | $4,300 | $7,686 |
| Year 8 | $14,134 | $5,797 | $8,337 |
| Year 9 | $16,410 | $7,323 | $9,086 |
| Year 10 | $18,822 | $8,882 | $9,940 |
| Year 11 | $21,380 | $10,476 | $10,904 |
| Year 12 | $24,090 | $12,107 | $11,984 |
| Year 13 | $26,964 | $13,778 | $13,186 |
| Year 14 | $30,010 | $15,492 | $14,518 |
| Year 15 | $33,238 | $17,253 | $15,985 |
| Year 16 | $36,660 | $19,064 | $17,597 |
| Year 17 | $40,288 | $20,928 | $19,360 |
| Year 18 | $44,133 | $22,851 | $21,282 |
| Year 19 | $48,209 | $24,836 | $23,374 |
| Year 20 | $52,530 | $26,887 | $25,643 |
| Year 21 | $57,110 | $29,010 | $28,099 |
| Year 22 | $61,964 | $31,211 | $30,753 |
| Year 23 | $67,110 | $33,494 | $33,616 |
| Year 24 | $72,565 | $35,866 | $36,699 |
| Year 25 | $78,347 | $38,333 | $40,014 |
Start Saving in Westville
Get a free, personalized solar analysis based on your actual Ameren Illinois bill and roof. Lease or own — we'll find the best option.
✓ $0 down lease available — save from day 1 with no upfront cost
Ameren Illinois rates projected to rise again next year. Lock in savings now.