How Much Can Solar Save in Mason City?
Real numbers based on current Ameren Illinois rates and Illinois incentives.
$119
Current Bill/mo
$135
Est. Lease + Battery
6.3 yrs
Payback Period
$37,741
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
5.5 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 Mason City
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $119/mo | $97/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | +$4/mo |
| 5-Year Cost | $7,711 | $5,820 |
| 25-Year Cost | $78,347 | $40,606 |
| 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
$37,741
Without Solar
With Solar
Year 1Payback Year
$1,428
$1,385
Year 5
$8,050
$1,636
Year 10
$18,822
$9,456
Year 15
$33,238
$18,250
Year 20
$52,530
$28,438
Year 25
$78,347
$40,605
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1Payback | $1,428 | $1,385 | $43 |
| Year 2 | $2,942 | -$2,715 | $5,656 |
| Year 3 | $4,546 | -$1,288 | $5,834 |
| Year 4 | $6,247 | $162 | $6,085 |
| Year 5 | $8,050 | $1,636 | $6,413 |
| Year 6 | $9,961 | $3,138 | $6,823 |
| Year 7 | $11,986 | $4,669 | $7,318 |
| Year 8 | $14,134 | $6,230 | $7,903 |
| Year 9 | $16,410 | $7,825 | $8,585 |
| Year 10 | $18,822 | $9,456 | $9,366 |
| Year 11 | $21,380 | $11,125 | $10,254 |
| Year 12 | $24,090 | $12,836 | $11,254 |
| Year 13 | $26,964 | $14,592 | $12,372 |
| Year 14 | $30,010 | $16,396 | $13,614 |
| Year 15 | $33,238 | $18,250 | $14,988 |
| Year 16 | $36,660 | $20,160 | $16,500 |
| Year 17 | $40,288 | $22,130 | $18,158 |
| Year 18 | $44,133 | $24,163 | $19,971 |
| Year 19 | $48,209 | $26,264 | $21,945 |
| Year 20 | $52,530 | $28,438 | $24,092 |
| Year 21 | $57,110 | $30,691 | $26,419 |
| Year 22 | $61,964 | $33,028 | $28,937 |
| Year 23 | $67,110 | $35,455 | $31,655 |
| Year 24 | $72,565 | $37,978 | $34,586 |
| Year 25 | $78,347 | $40,605 | $37,741 |
Start Saving in Mason City
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