How Much Can Solar Save in Watson?
Real numbers based on current Ameren Illinois rates and Illinois incentives.
$118
Current Bill/mo
$133
Est. Lease + Battery
6.5 yrs
Payback Period
$35,864
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
$118
Annual Cost
$1,416
25-Year Cost (No Solar)
$77,688
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 Watson
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $118/mo | $97/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | +$0/mo |
| 5-Year Cost | $7,646 | $5,820 |
| 25-Year Cost | $77,688 | $41,824 |
| 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
$35,864
Without Solar
With Solar
Year 1Payback Year
$1,416
$1,410
Year 5
$7,982
$1,774
Year 10
$18,664
$9,772
Year 15
$32,959
$18,795
Year 20
$52,088
$29,277
Year 25
$77,688
$41,824
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1Payback | $1,416 | $1,410 | $6 |
| Year 2 | $2,917 | -$2,664 | $5,581 |
| Year 3 | $4,508 | -$1,210 | $5,718 |
| Year 4 | $6,194 | $269 | $5,925 |
| Year 5 | $7,982 | $1,774 | $6,208 |
| Year 6 | $9,877 | $3,308 | $6,569 |
| Year 7 | $11,886 | $4,872 | $7,014 |
| Year 8 | $14,015 | $6,469 | $7,546 |
| Year 9 | $16,272 | $8,101 | $8,170 |
| Year 10 | $18,664 | $9,772 | $8,892 |
| Year 11 | $21,200 | $11,482 | $9,718 |
| Year 12 | $23,888 | $13,237 | $10,651 |
| Year 13 | $26,737 | $15,038 | $11,699 |
| Year 14 | $29,757 | $16,890 | $12,868 |
| Year 15 | $32,959 | $18,795 | $14,164 |
| Year 16 | $36,352 | $20,758 | $15,594 |
| Year 17 | $39,949 | $22,783 | $17,166 |
| Year 18 | $43,762 | $24,875 | $18,887 |
| Year 19 | $47,804 | $27,038 | $20,766 |
| Year 20 | $52,088 | $29,277 | $22,811 |
| Year 21 | $56,630 | $31,598 | $25,031 |
| Year 22 | $61,443 | $34,007 | $27,436 |
| Year 23 | $66,546 | $36,510 | $30,036 |
| Year 24 | $71,955 | $39,113 | $32,842 |
| Year 25 | $77,688 | $41,824 | $35,864 |
Start Saving in Watson
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