How Much Can Solar Save in Mechanicsburg?
Real numbers based on current Ameren Illinois rates and Illinois incentives.
$151
Current Bill/mo
$154
Est. Lease + Battery
7 yrs
Payback Period
$45,198
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 Mechanicsburg
| 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 | $54,216 |
| 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
$45,198
Without Solar
With Solar
Year 1
$1,812
$1,940
Year 2Payback Year
$3,733
-$4,103
Year 5
$10,214
$1,948
Year 10
$23,884
$12,708
Year 15
$42,176
$24,633
Year 20
$66,655
$38,230
Year 25
$99,414
$54,217
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1 | $1,812 | $1,940 | -$128 |
| Year 2Payback | $3,733 | -$4,103 | $7,836 |
| Year 3 | $5,769 | -$2,114 | $7,883 |
| Year 4 | $7,927 | -$98 | $8,025 |
| Year 5 | $10,214 | $1,948 | $8,266 |
| Year 6 | $12,639 | $4,026 | $8,613 |
| Year 7 | $15,210 | $6,138 | $9,071 |
| Year 8 | $17,934 | $8,287 | $9,647 |
| Year 9 | $20,822 | $10,476 | $10,346 |
| Year 10 | $23,884 | $12,708 | $11,176 |
| Year 11 | $27,129 | $14,986 | $12,143 |
| Year 12 | $30,568 | $17,314 | $13,255 |
| Year 13 | $34,214 | $19,694 | $14,520 |
| Year 14 | $38,079 | $22,133 | $15,947 |
| Year 15 | $42,176 | $24,633 | $17,543 |
| Year 16 | $46,519 | $27,199 | $19,320 |
| Year 17 | $51,122 | $29,836 | $21,286 |
| Year 18 | $56,001 | $32,550 | $23,451 |
| Year 19 | $61,173 | $35,346 | $25,827 |
| Year 20 | $66,655 | $38,230 | $28,425 |
| Year 21 | $72,467 | $41,209 | $31,258 |
| Year 22 | $78,627 | $44,289 | $34,337 |
| Year 23 | $85,156 | $47,479 | $37,678 |
| Year 24 | $92,078 | $50,785 | $41,293 |
| Year 25 | $99,414 | $54,217 | $45,198 |
Start Saving in Mechanicsburg
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