How Much Can Solar Save in Farmington?
Real numbers based on current Ameren Illinois rates and Illinois incentives.
$119
Current Bill/mo
$132
Est. Lease + Battery
6 yrs
Payback Period
$37,634
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 kW System
$14,500
$7,995
After All IL Incentives
DG Rebate ($300/kW)-$1,500
Illinois Shines RECs (lump sum, ~18 mo)-$5,005
With vs Without Solar in Farmington
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $119/mo | $88/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | +$9/mo |
| 5-Year Cost | $7,711 | $5,280 |
| 25-Year Cost | $78,347 | $40,713 |
| 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
$37,634
Without Solar
With Solar
Year 1Payback Year
$1,428
$1,324
Year 5
$8,050
$1,855
Year 10
$18,822
$9,468
Year 15
$33,238
$18,154
Year 20
$52,530
$28,360
Year 25
$78,347
$40,712
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1Payback | $1,428 | $1,324 | $104 |
| Year 2 | $2,942 | -$2,335 | $5,277 |
| Year 3 | $4,546 | -$965 | $5,511 |
| Year 4 | $6,247 | $431 | $5,816 |
| Year 5 | $8,050 | $1,855 | $6,195 |
| Year 6 | $9,961 | $3,309 | $6,652 |
| Year 7 | $11,986 | $4,794 | $7,192 |
| Year 8 | $14,134 | $6,315 | $7,819 |
| Year 9 | $16,410 | $7,871 | $8,538 |
| Year 10 | $18,822 | $9,468 | $9,354 |
| Year 11 | $21,380 | $11,107 | $10,272 |
| Year 12 | $24,090 | $12,792 | $11,298 |
| Year 13 | $26,964 | $14,525 | $12,438 |
| Year 14 | $30,010 | $16,311 | $13,698 |
| Year 15 | $33,238 | $18,154 | $15,084 |
| Year 16 | $36,660 | $20,056 | $16,604 |
| Year 17 | $40,288 | $22,023 | $18,265 |
| Year 18 | $44,133 | $24,060 | $20,074 |
| Year 19 | $48,209 | $26,170 | $22,039 |
| Year 20 | $52,530 | $28,360 | $24,170 |
| Year 21 | $57,110 | $30,635 | $26,475 |
| Year 22 | $61,964 | $33,001 | $28,963 |
| Year 23 | $67,110 | $35,465 | $31,646 |
| Year 24 | $72,565 | $38,033 | $34,532 |
| Year 25 | $78,347 | $40,712 | $37,634 |
Start Saving in Farmington
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