How Much Can Solar Save in Swansea?
Real numbers based on current Ameren Illinois rates and Illinois incentives.
$151
Current Bill/mo
$154
Est. Lease + Battery
7 yrs
Payback Period
$45,098
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
$151
Annual Cost
$1,812
25-Year Cost (No Solar)
$99,414
Your Solar Investment
8 kW System
$23,200
$12,793
After All IL Incentives
DG Rebate ($300/kW)-$2,400
Illinois Shines RECs (lump sum, ~18 mo)-$8,007
With vs Without Solar in Swansea
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $151/mo | $140/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | $-11/mo |
| 5-Year Cost | $9,785 | $8,400 |
| 25-Year Cost | $99,414 | $54,316 |
| 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
$45,098
Without Solar
With Solar
Year 1
$1,812
$1,942
Year 2Payback Year
$3,733
-$4,099
Year 5
$10,214
$1,959
Year 10
$23,884
$12,733
Year 15
$42,176
$24,676
Year 20
$66,655
$38,298
Year 25
$99,414
$54,316
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1 | $1,812 | $1,942 | -$130 |
| Year 2Payback | $3,733 | -$4,099 | $7,832 |
| Year 3 | $5,769 | -$2,108 | $7,877 |
| Year 4 | $7,927 | -$89 | $8,016 |
| Year 5 | $10,214 | $1,959 | $8,255 |
| Year 6 | $12,639 | $4,039 | $8,600 |
| Year 7 | $15,210 | $6,154 | $9,055 |
| Year 8 | $17,934 | $8,306 | $9,628 |
| Year 9 | $20,822 | $10,498 | $10,324 |
| Year 10 | $23,884 | $12,733 | $11,150 |
| Year 11 | $27,129 | $15,014 | $12,114 |
| Year 12 | $30,568 | $17,346 | $13,223 |
| Year 13 | $34,214 | $19,730 | $14,484 |
| Year 14 | $38,079 | $22,172 | $15,907 |
| Year 15 | $42,176 | $24,676 | $17,500 |
| Year 16 | $46,519 | $27,247 | $19,272 |
| Year 17 | $51,122 | $29,889 | $21,233 |
| Year 18 | $56,001 | $32,608 | $23,393 |
| Year 19 | $61,173 | $35,409 | $25,764 |
| Year 20 | $66,655 | $38,298 | $28,357 |
| Year 21 | $72,467 | $41,283 | $31,184 |
| Year 22 | $78,627 | $44,369 | $34,258 |
| Year 23 | $85,156 | $47,565 | $37,592 |
| Year 24 | $92,078 | $50,878 | $41,200 |
| Year 25 | $99,414 | $54,316 | $45,098 |
Start Saving in Swansea
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