How Much Can Solar Save in San Jose?
Real numbers based on current Ameren Illinois rates and Illinois incentives.
$111
Current Bill/mo
$129
Est. Lease + Battery
6.8 yrs
Payback Period
$32,907
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
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 San Jose
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $111/mo | $97/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | $-4/mo |
| 5-Year Cost | $7,193 | $5,820 |
| 25-Year Cost | $73,080 | $40,173 |
| 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
$32,907
Without Solar
With Solar
Year 1
$1,332
$1,384
Year 2Payback Year
$2,744
-$2,717
Year 5
$7,509
$1,625
Year 10
$17,557
$9,411
Year 15
$31,004
$18,138
Year 20
$48,998
$28,205
Year 25
$73,080
$40,172
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1 | $1,332 | $1,384 | -$52 |
| Year 2Payback | $2,744 | -$2,717 | $5,461 |
| Year 3 | $4,241 | -$1,293 | $5,534 |
| Year 4 | $5,827 | $154 | $5,673 |
| Year 5 | $7,509 | $1,625 | $5,884 |
| Year 6 | $9,291 | $3,122 | $6,170 |
| Year 7 | $11,181 | $4,647 | $6,534 |
| Year 8 | $13,183 | $6,201 | $6,982 |
| Year 9 | $15,306 | $7,789 | $7,518 |
| Year 10 | $17,557 | $9,411 | $8,146 |
| Year 11 | $19,942 | $11,070 | $8,872 |
| Year 12 | $22,471 | $12,769 | $9,702 |
| Year 13 | $25,151 | $14,511 | $10,640 |
| Year 14 | $27,992 | $16,300 | $11,692 |
| Year 15 | $31,004 | $18,138 | $12,866 |
| Year 16 | $34,196 | $20,029 | $14,167 |
| Year 17 | $37,580 | $21,977 | $15,603 |
| Year 18 | $41,166 | $23,986 | $17,181 |
| Year 19 | $44,968 | $26,060 | $18,908 |
| Year 20 | $48,998 | $28,205 | $20,793 |
| Year 21 | $53,270 | $30,425 | $22,845 |
| Year 22 | $57,799 | $32,726 | $25,073 |
| Year 23 | $62,598 | $35,113 | $27,485 |
| Year 24 | $67,686 | $37,593 | $30,093 |
| Year 25 | $73,080 | $40,172 | $32,907 |
Start Saving in San Jose
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Ameren Illinois rates projected to rise again next year. Lock in savings now.