How Much Can Solar Save in Greenville?
Real numbers based on current Ameren Illinois rates and Illinois incentives.
$126
Current Bill/mo
$141
Est. Lease + Battery
6.8 yrs
Payback Period
$39,095
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
$126
Annual Cost
$1,512
25-Year Cost (No Solar)
$82,955
Your Solar Investment
6.5 kW System
$18,850
$10,394
After All IL Incentives
DG Rebate ($300/kW)-$1,950
Illinois Shines RECs (lump sum, ~18 mo)-$6,506
With vs Without Solar in Greenville
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $126/mo | $114/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | $-5/mo |
| 5-Year Cost | $8,165 | $6,840 |
| 25-Year Cost | $82,955 | $43,860 |
| 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
$39,095
Without Solar
With Solar
Year 1
$1,512
$1,570
Year 2Payback Year
$3,115
-$3,348
Year 5
$8,523
$1,547
Year 10
$19,929
$10,250
Year 15
$35,193
$19,898
Year 20
$55,620
$30,906
Year 25
$82,955
$43,860
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1 | $1,512 | $1,570 | -$58 |
| Year 2Payback | $3,115 | -$3,348 | $6,463 |
| Year 3 | $4,814 | -$1,739 | $6,553 |
| Year 4 | $6,614 | -$108 | $6,722 |
| Year 5 | $8,523 | $1,547 | $6,976 |
| Year 6 | $10,547 | $3,228 | $7,319 |
| Year 7 | $12,691 | $4,936 | $7,755 |
| Year 8 | $14,965 | $6,674 | $8,291 |
| Year 9 | $17,375 | $8,445 | $8,930 |
| Year 10 | $19,929 | $10,250 | $9,679 |
| Year 11 | $22,637 | $12,093 | $10,544 |
| Year 12 | $25,507 | $13,976 | $11,531 |
| Year 13 | $28,550 | $15,902 | $12,648 |
| Year 14 | $31,775 | $17,875 | $13,900 |
| Year 15 | $35,193 | $19,898 | $15,295 |
| Year 16 | $38,817 | $21,975 | $16,842 |
| Year 17 | $42,658 | $24,109 | $18,548 |
| Year 18 | $46,729 | $26,306 | $20,423 |
| Year 19 | $51,045 | $28,570 | $22,475 |
| Year 20 | $55,620 | $30,906 | $24,714 |
| Year 21 | $60,469 | $33,318 | $27,151 |
| Year 22 | $65,609 | $35,814 | $29,795 |
| Year 23 | $71,058 | $38,398 | $32,659 |
| Year 24 | $76,833 | $41,078 | $35,755 |
| Year 25 | $82,955 | $43,860 | $39,095 |
Start Saving in Greenville
Get a free, personalized solar analysis based on your actual Ameren Illinois bill and roof. Lease or own — we'll find the best option.
✓ $0 down lease available — save from day 1 with no upfront cost
Ameren Illinois rates projected to rise again next year. Lock in savings now.