How Much Can Solar Save in Latham?
Real numbers based on current Ameren Illinois rates and Illinois incentives.
$116
Current Bill/mo
$134
Est. Lease + Battery
8.7 yrs
Payback Period
$26,652
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
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 Latham
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $116/mo | $140/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | $-41/mo |
| 5-Year Cost | $7,517 | $8,400 |
| 25-Year Cost | $76,371 | $49,719 |
| 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
$26,652
Without Solar
With Solar
Year 1
$1,392
$1,884
Year 2Payback Year
$2,868
-$4,220
Year 5
$7,847
$1,611
Year 10
$18,348
$11,853
Year 15
$32,400
$22,997
Year 20
$51,206
$35,435
Year 25
$76,371
$49,720
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1 | $1,392 | $1,884 | -$492 |
| Year 2Payback | $2,868 | -$4,220 | $7,088 |
| Year 3 | $4,432 | -$2,298 | $6,730 |
| Year 4 | $6,089 | -$355 | $6,444 |
| Year 5 | $7,847 | $1,611 | $6,235 |
| Year 6 | $9,710 | $3,602 | $6,107 |
| Year 7 | $11,684 | $5,620 | $6,064 |
| Year 8 | $13,777 | $7,666 | $6,111 |
| Year 9 | $15,996 | $9,743 | $6,253 |
| Year 10 | $18,348 | $11,853 | $6,494 |
| Year 11 | $20,841 | $13,999 | $6,841 |
| Year 12 | $23,483 | $16,183 | $7,299 |
| Year 13 | $26,284 | $18,409 | $7,875 |
| Year 14 | $29,253 | $20,679 | $8,574 |
| Year 15 | $32,400 | $22,997 | $9,403 |
| Year 16 | $35,736 | $25,366 | $10,370 |
| Year 17 | $39,272 | $27,790 | $11,482 |
| Year 18 | $43,021 | $30,273 | $12,748 |
| Year 19 | $46,994 | $32,820 | $14,174 |
| Year 20 | $51,206 | $35,435 | $15,771 |
| Year 21 | $55,670 | $38,123 | $17,547 |
| Year 22 | $60,402 | $40,890 | $19,513 |
| Year 23 | $65,418 | $43,740 | $21,678 |
| Year 24 | $70,735 | $46,682 | $24,054 |
| Year 25 | $76,371 | $49,720 | $26,652 |
Start Saving in Latham
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Ameren Illinois rates projected to rise again next year. Lock in savings now.