How Much Can Solar Save in Harristown?
Real numbers based on current Ameren Illinois rates and Illinois incentives.
$123
Current Bill/mo
$136
Est. Lease + Battery
8.1 yrs
Payback Period
$30,289
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
$123
Annual Cost
$1,476
25-Year Cost (No Solar)
$80,980
Your Solar Investment
7.5 kW System
$21,750
$11,993
After All IL Incentives
DG Rebate ($300/kW)-$2,250
Illinois Shines RECs (lump sum, ~18 mo)-$7,507
With vs Without Solar in Harristown
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $123/mo | $132/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | $-30/mo |
| 5-Year Cost | $7,970 | $7,920 |
| 25-Year Cost | $80,980 | $50,691 |
| 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
$30,289
Without Solar
With Solar
Year 1
$1,476
$1,833
Year 2Payback Year
$3,041
-$3,819
Year 5
$8,320
$1,894
Year 10
$19,455
$12,028
Year 15
$34,355
$23,212
Year 20
$54,296
$35,892
Year 25
$80,980
$50,691
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1 | $1,476 | $1,833 | -$357 |
| Year 2Payback | $3,041 | -$3,819 | $6,859 |
| Year 3 | $4,699 | -$1,940 | $6,639 |
| Year 4 | $6,457 | -$37 | $6,494 |
| Year 5 | $8,320 | $1,894 | $6,427 |
| Year 6 | $10,296 | $3,853 | $6,442 |
| Year 7 | $12,389 | $5,844 | $6,545 |
| Year 8 | $14,609 | $7,868 | $6,741 |
| Year 9 | $16,961 | $9,928 | $7,033 |
| Year 10 | $19,455 | $12,028 | $7,427 |
| Year 11 | $22,098 | $14,168 | $7,930 |
| Year 12 | $24,900 | $16,354 | $8,546 |
| Year 13 | $27,870 | $18,587 | $9,283 |
| Year 14 | $31,018 | $20,872 | $10,146 |
| Year 15 | $34,355 | $23,212 | $11,143 |
| Year 16 | $37,893 | $25,611 | $12,281 |
| Year 17 | $41,642 | $28,074 | $13,568 |
| Year 18 | $45,617 | $30,605 | $15,011 |
| Year 19 | $49,830 | $33,210 | $16,620 |
| Year 20 | $54,296 | $35,892 | $18,403 |
| Year 21 | $59,029 | $38,659 | $20,371 |
| Year 22 | $64,047 | $41,515 | $22,532 |
| Year 23 | $69,366 | $44,468 | $24,898 |
| Year 24 | $75,004 | $47,524 | $27,479 |
| Year 25 | $80,980 | $50,691 | $30,289 |
Start Saving in Harristown
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Ameren Illinois rates projected to rise again next year. Lock in savings now.