How Much Can Solar Save in Dowell?
Real numbers based on current Ameren Illinois rates and Illinois incentives.
$105
Current Bill/mo
$125
Est. Lease + Battery
6.1 yrs
Payback Period
$33,101
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
$105
Annual Cost
$1,260
25-Year Cost (No Solar)
$69,129
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 Dowell
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $105/mo | $79/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | +$7/mo |
| 5-Year Cost | $6,804 | $4,740 |
| 25-Year Cost | $69,129 | $36,028 |
| 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
$33,101
Without Solar
With Solar
Year 1Payback Year
$1,260
$1,181
Year 5
$7,103
$1,612
Year 10
$16,608
$8,384
Year 15
$29,328
$16,090
Year 20
$46,350
$25,122
Year 25
$69,129
$36,028
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1Payback | $1,260 | $1,181 | $79 |
| Year 2 | $2,596 | -$2,122 | $4,717 |
| Year 3 | $4,011 | -$900 | $4,912 |
| Year 4 | $5,512 | $344 | $5,168 |
| Year 5 | $7,103 | $1,612 | $5,490 |
| Year 6 | $8,789 | $2,907 | $5,882 |
| Year 7 | $10,576 | $4,229 | $6,348 |
| Year 8 | $12,471 | $5,581 | $6,890 |
| Year 9 | $14,479 | $6,965 | $7,514 |
| Year 10 | $16,608 | $8,384 | $8,224 |
| Year 11 | $18,864 | $9,839 | $9,025 |
| Year 12 | $21,256 | $11,335 | $9,921 |
| Year 13 | $23,791 | $12,873 | $10,918 |
| Year 14 | $26,479 | $14,457 | $12,022 |
| Year 15 | $29,328 | $16,090 | $13,238 |
| Year 16 | $32,347 | $17,775 | $14,572 |
| Year 17 | $35,548 | $19,517 | $16,031 |
| Year 18 | $38,941 | $21,319 | $17,622 |
| Year 19 | $42,538 | $23,186 | $19,352 |
| Year 20 | $46,350 | $25,122 | $21,228 |
| Year 21 | $50,391 | $27,133 | $23,258 |
| Year 22 | $54,674 | $29,222 | $25,452 |
| Year 23 | $59,215 | $31,398 | $27,817 |
| Year 24 | $64,028 | $33,664 | $30,364 |
| Year 25 | $69,129 | $36,028 | $33,101 |
Start Saving in Dowell
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.