How Much Can Solar Save in Harrisburg?
Real numbers based on current Ameren Illinois rates and Illinois incentives.
$116
Current Bill/mo
$132
Est. Lease + Battery
6 yrs
Payback Period
$37,486
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
$116
Annual Cost
$1,392
25-Year Cost (No Solar)
$76,371
Your Solar Investment
5 kW System
$14,500
$7,995
After All IL Incentives
DG Rebate ($300/kW)-$1,500
Illinois Shines RECs (lump sum, ~18 mo)-$5,005
With vs Without Solar in Harrisburg
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $116/mo | $88/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | +$8/mo |
| 5-Year Cost | $7,517 | $5,280 |
| 25-Year Cost | $76,371 | $38,885 |
| 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
$37,486
Without Solar
With Solar
Year 1Payback Year
$1,392
$1,291
Year 5
$7,847
$1,668
Year 10
$18,348
$9,031
Year 15
$32,400
$17,381
Year 20
$51,206
$27,137
Year 25
$76,371
$38,885
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1Payback | $1,392 | $1,291 | $101 |
| Year 2 | $2,868 | -$2,403 | $5,271 |
| Year 3 | $4,432 | -$1,070 | $5,502 |
| Year 4 | $6,089 | $286 | $5,803 |
| Year 5 | $7,847 | $1,668 | $6,178 |
| Year 6 | $9,710 | $3,078 | $6,632 |
| Year 7 | $11,684 | $4,516 | $7,168 |
| Year 8 | $13,777 | $5,986 | $7,791 |
| Year 9 | $15,996 | $7,490 | $8,505 |
| Year 10 | $18,348 | $9,031 | $9,317 |
| Year 11 | $20,841 | $10,611 | $10,230 |
| Year 12 | $23,483 | $12,232 | $11,251 |
| Year 13 | $26,284 | $13,899 | $12,385 |
| Year 14 | $29,253 | $15,614 | $13,639 |
| Year 15 | $32,400 | $17,381 | $15,019 |
| Year 16 | $35,736 | $19,203 | $16,533 |
| Year 17 | $39,272 | $21,086 | $18,186 |
| Year 18 | $43,021 | $23,033 | $19,988 |
| Year 19 | $46,994 | $25,048 | $21,946 |
| Year 20 | $51,206 | $27,137 | $24,069 |
| Year 21 | $55,670 | $29,305 | $26,365 |
| Year 22 | $60,402 | $31,557 | $28,845 |
| Year 23 | $65,418 | $33,901 | $31,518 |
| Year 24 | $70,735 | $36,341 | $34,394 |
| Year 25 | $76,371 | $38,885 | $37,486 |
Start Saving in Harrisburg
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Ameren Illinois rates projected to rise again next year. Lock in savings now.