How Much Can Solar Save in Cuba?
Real numbers based on current Ameren Illinois rates and Illinois incentives.
$111
Current Bill/mo
$130
Est. Lease + Battery
8.2 yrs
Payback Period
$26,674
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
$111
Annual Cost
$1,332
25-Year Cost (No Solar)
$73,080
Your Solar Investment
7 kW System
$20,300
$11,194
After All IL Incentives
DG Rebate ($300/kW)-$2,100
Illinois Shines RECs (lump sum, ~18 mo)-$7,006
With vs Without Solar in Cuba
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $111/mo | $123/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | $-30/mo |
| 5-Year Cost | $7,193 | $7,380 |
| 25-Year Cost | $73,080 | $46,406 |
| 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
$26,674
Without Solar
With Solar
Year 1
$1,332
$1,697
Year 2Payback Year
$2,744
-$3,593
Year 5
$7,509
$1,685
Year 10
$17,557
$11,028
Year 15
$31,004
$21,304
Year 20
$48,998
$32,911
Year 25
$73,080
$46,405
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1 | $1,332 | $1,697 | -$365 |
| Year 2Payback | $2,744 | -$3,593 | $6,337 |
| Year 3 | $4,241 | -$1,856 | $6,097 |
| Year 4 | $5,827 | -$98 | $5,924 |
| Year 5 | $7,509 | $1,685 | $5,823 |
| Year 6 | $9,291 | $3,494 | $5,797 |
| Year 7 | $11,181 | $5,331 | $5,850 |
| Year 8 | $13,183 | $7,197 | $5,987 |
| Year 9 | $15,306 | $9,095 | $6,211 |
| Year 10 | $17,557 | $11,028 | $6,529 |
| Year 11 | $19,942 | $12,997 | $6,945 |
| Year 12 | $22,471 | $15,007 | $7,464 |
| Year 13 | $25,151 | $17,059 | $8,092 |
| Year 14 | $27,992 | $19,157 | $8,835 |
| Year 15 | $31,004 | $21,304 | $9,700 |
| Year 16 | $34,196 | $23,503 | $10,692 |
| Year 17 | $37,580 | $25,760 | $11,820 |
| Year 18 | $41,166 | $28,077 | $13,090 |
| Year 19 | $44,968 | $30,459 | $14,510 |
| Year 20 | $48,998 | $32,911 | $16,088 |
| Year 21 | $53,270 | $35,437 | $17,833 |
| Year 22 | $57,799 | $38,044 | $19,754 |
| Year 23 | $62,598 | $40,737 | $21,862 |
| Year 24 | $67,686 | $43,522 | $24,165 |
| Year 25 | $73,080 | $46,405 | $26,674 |
Start Saving in Cuba
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