How Much Can Solar Save in Dwight?
Real numbers based on current Ameren Illinois rates and Illinois incentives.
$134
Current Bill/mo
$142
Est. Lease + Battery
6.2 yrs
Payback Period
$42,332
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
$134
Annual Cost
$1,608
25-Year Cost (No Solar)
$88,222
Your Solar Investment
6 kW System
$17,400
$9,595
After All IL Incentives
DG Rebate ($300/kW)-$1,800
Illinois Shines RECs (lump sum, ~18 mo)-$6,005
With vs Without Solar in Dwight
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $134/mo | $105/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | +$6/mo |
| 5-Year Cost | $8,683 | $6,300 |
| 25-Year Cost | $88,222 | $45,890 |
| 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
$42,332
Without Solar
With Solar
Year 1Payback Year
$1,608
$1,539
Year 5
$9,064
$1,942
Year 10
$21,195
$10,685
Year 15
$37,428
$20,569
Year 20
$59,151
$32,078
Year 25
$88,222
$45,890
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1Payback | $1,608 | $1,539 | $69 |
| Year 2 | $3,312 | -$2,904 | $6,217 |
| Year 3 | $5,119 | -$1,317 | $6,436 |
| Year 4 | $7,034 | $298 | $6,737 |
| Year 5 | $9,064 | $1,942 | $7,123 |
| Year 6 | $11,216 | $3,617 | $7,599 |
| Year 7 | $13,497 | $5,326 | $8,171 |
| Year 8 | $15,915 | $7,072 | $8,843 |
| Year 9 | $18,478 | $8,857 | $9,621 |
| Year 10 | $21,195 | $10,685 | $10,510 |
| Year 11 | $24,074 | $12,557 | $11,517 |
| Year 12 | $27,127 | $14,478 | $12,649 |
| Year 13 | $30,362 | $16,451 | $13,912 |
| Year 14 | $33,792 | $18,480 | $15,312 |
| Year 15 | $37,428 | $20,569 | $16,859 |
| Year 16 | $41,281 | $22,722 | $18,559 |
| Year 17 | $45,366 | $24,944 | $20,422 |
| Year 18 | $49,696 | $27,241 | $22,455 |
| Year 19 | $54,286 | $29,617 | $24,669 |
| Year 20 | $59,151 | $32,078 | $27,073 |
| Year 21 | $64,308 | $34,630 | $29,678 |
| Year 22 | $69,775 | $37,280 | $32,494 |
| Year 23 | $75,569 | $40,035 | $35,534 |
| Year 24 | $81,711 | $42,903 | $38,809 |
| Year 25 | $88,222 | $45,890 | $42,332 |
Start Saving in Dwight
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