How Much Can Solar Save in Thebes?
Real numbers based on current Ameren Illinois rates and Illinois incentives.
$108
Current Bill/mo
$130
Est. Lease + Battery
6.7 yrs
Payback Period
$33,789
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
$108
Annual Cost
$1,296
25-Year Cost (No Solar)
$71,104
Your Solar Investment
5.5 kW System
$15,950
$8,795
After All IL Incentives
DG Rebate ($300/kW)-$1,650
Illinois Shines RECs (lump sum, ~18 mo)-$5,505
With vs Without Solar in Thebes
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $108/mo | $97/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | $-3/mo |
| 5-Year Cost | $6,998 | $5,820 |
| 25-Year Cost | $71,104 | $37,315 |
| 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
$33,789
Without Solar
With Solar
Year 1
$1,296
$1,331
Year 2Payback Year
$2,670
-$2,827
Year 5
$7,306
$1,325
Year 10
$17,082
$8,714
Year 15
$30,166
$16,913
Year 20
$47,674
$26,279
Year 25
$71,104
$37,315
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1 | $1,296 | $1,331 | -$35 |
| Year 2Payback | $2,670 | -$2,827 | $5,497 |
| Year 3 | $4,126 | -$1,463 | $5,589 |
| Year 4 | $5,670 | -$79 | $5,748 |
| Year 5 | $7,306 | $1,325 | $5,981 |
| Year 6 | $9,040 | $2,751 | $6,289 |
| Year 7 | $10,878 | $4,201 | $6,677 |
| Year 8 | $12,827 | $5,677 | $7,150 |
| Year 9 | $14,893 | $7,180 | $7,712 |
| Year 10 | $17,082 | $8,714 | $8,369 |
| Year 11 | $19,403 | $10,279 | $9,124 |
| Year 12 | $21,863 | $11,879 | $9,985 |
| Year 13 | $24,471 | $13,516 | $10,956 |
| Year 14 | $27,236 | $15,193 | $12,043 |
| Year 15 | $30,166 | $16,913 | $13,253 |
| Year 16 | $33,272 | $18,679 | $14,593 |
| Year 17 | $36,564 | $20,495 | $16,069 |
| Year 18 | $40,054 | $22,364 | $17,690 |
| Year 19 | $43,753 | $24,291 | $19,462 |
| Year 20 | $47,674 | $26,279 | $21,395 |
| Year 21 | $51,831 | $28,333 | $23,497 |
| Year 22 | $56,236 | $30,459 | $25,778 |
| Year 23 | $60,907 | $32,660 | $28,246 |
| Year 24 | $65,857 | $34,944 | $30,913 |
| Year 25 | $71,104 | $37,315 | $33,789 |
Start Saving in Thebes
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.