How Much Can Solar Save in Okawville?
Real numbers based on current Ameren Illinois rates and Illinois incentives.
$136
Current Bill/mo
$144
Est. Lease + Battery
6.9 yrs
Payback Period
$40,511
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
$136
Annual Cost
$1,632
25-Year Cost (No Solar)
$89,539
Your Solar Investment
7 kW System
$20,300
$11,194
After All IL Incentives
DG Rebate ($300/kW)-$2,100
Illinois Shines RECs (lump sum, ~18 mo)-$7,006
With vs Without Solar in Okawville
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $136/mo | $123/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | $-8/mo |
| 5-Year Cost | $8,813 | $7,380 |
| 25-Year Cost | $89,539 | $49,028 |
| 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
$40,511
Without Solar
With Solar
Year 1
$1,632
$1,725
Year 2Payback Year
$3,362
-$3,533
Year 5
$9,200
$1,861
Year 10
$21,511
$11,489
Year 15
$37,986
$22,213
Year 20
$60,034
$34,505
Year 25
$89,539
$49,028
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1 | $1,632 | $1,725 | -$93 |
| Year 2Payback | $3,362 | -$3,533 | $6,895 |
| Year 3 | $5,196 | -$1,762 | $6,957 |
| Year 4 | $7,139 | $36 | $7,103 |
| Year 5 | $9,200 | $1,861 | $7,338 |
| Year 6 | $11,384 | $3,717 | $7,667 |
| Year 7 | $13,699 | $5,605 | $8,094 |
| Year 8 | $16,153 | $7,528 | $8,625 |
| Year 9 | $18,754 | $9,489 | $9,265 |
| Year 10 | $21,511 | $11,489 | $10,022 |
| Year 11 | $24,434 | $13,534 | $10,900 |
| Year 12 | $27,532 | $15,625 | $11,907 |
| Year 13 | $30,816 | $17,766 | $13,050 |
| Year 14 | $34,297 | $19,961 | $14,336 |
| Year 15 | $37,986 | $22,213 | $15,773 |
| Year 16 | $41,898 | $24,528 | $17,369 |
| Year 17 | $46,043 | $26,910 | $19,134 |
| Year 18 | $50,438 | $29,363 | $21,075 |
| Year 19 | $55,096 | $31,893 | $23,204 |
| Year 20 | $60,034 | $34,505 | $25,529 |
| Year 21 | $65,268 | $37,206 | $28,062 |
| Year 22 | $70,816 | $40,001 | $30,815 |
| Year 23 | $76,697 | $42,898 | $33,799 |
| Year 24 | $82,931 | $45,905 | $37,026 |
| Year 25 | $89,539 | $49,028 | $40,511 |
Start Saving in Okawville
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.