How Much Can Solar Save in Mason?
Real numbers based on current Ameren Illinois rates and Illinois incentives.
$113
Current Bill/mo
$135
Est. Lease + Battery
6.3 yrs
Payback Period
$37,904
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
$113
Annual Cost
$1,356
25-Year Cost (No Solar)
$74,396
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
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $113/mo | $97/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | +$4/mo |
| 5-Year Cost | $7,322 | $5,820 |
| 25-Year Cost | $74,396 | $36,492 |
| 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
$37,904
Without Solar
With Solar
Year 1Payback Year
$1,356
$1,310
Year 5
$7,644
$1,213
Year 10
$17,873
$8,466
Year 15
$31,562
$16,503
Year 20
$49,881
$25,678
Year 25
$74,396
$36,492
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1Payback | $1,356 | $1,310 | $46 |
| Year 2 | $2,793 | -$2,870 | $5,663 |
| Year 3 | $4,317 | -$1,527 | $5,844 |
| Year 4 | $5,932 | -$167 | $6,099 |
| Year 5 | $7,644 | $1,213 | $6,431 |
| Year 6 | $9,459 | $2,614 | $6,845 |
| Year 7 | $11,382 | $4,038 | $7,344 |
| Year 8 | $13,421 | $5,486 | $7,935 |
| Year 9 | $15,582 | $6,962 | $8,621 |
| Year 10 | $17,873 | $8,466 | $9,407 |
| Year 11 | $20,302 | $10,001 | $10,301 |
| Year 12 | $22,876 | $11,569 | $11,306 |
| Year 13 | $25,604 | $13,174 | $12,430 |
| Year 14 | $28,496 | $14,817 | $13,679 |
| Year 15 | $31,562 | $16,503 | $15,059 |
| Year 16 | $34,812 | $18,233 | $16,579 |
| Year 17 | $38,257 | $20,012 | $18,245 |
| Year 18 | $41,908 | $21,843 | $20,065 |
| Year 19 | $45,779 | $23,730 | $22,048 |
| Year 20 | $49,881 | $25,678 | $24,203 |
| Year 21 | $54,230 | $27,690 | $26,540 |
| Year 22 | $58,840 | $29,773 | $29,067 |
| Year 23 | $63,726 | $31,930 | $31,796 |
| Year 24 | $68,906 | $34,168 | $34,738 |
| Year 25 | $74,396 | $36,492 | $37,904 |
Start Saving in Mason
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