How Much Can Solar Save in Oakland?
Real numbers based on current Ameren Illinois rates and Illinois incentives.
$119
Current Bill/mo
$138
Est. Lease + Battery
6.1 yrs
Payback Period
$40,914
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
$119
Annual Cost
$1,428
25-Year Cost (No Solar)
$78,347
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 Oakland
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $119/mo | $97/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | +$9/mo |
| 5-Year Cost | $7,711 | $5,820 |
| 25-Year Cost | $78,347 | $37,433 |
| 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
$40,914
Without Solar
With Solar
Year 1Payback Year
$1,428
$1,323
Year 5
$8,050
$1,289
Year 10
$18,822
$8,655
Year 15
$33,238
$16,858
Year 20
$52,530
$26,273
Year 25
$78,347
$37,432
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1Payback | $1,428 | $1,323 | $105 |
| Year 2 | $2,942 | -$2,843 | $5,784 |
| Year 3 | $4,546 | -$1,485 | $6,032 |
| Year 4 | $6,247 | -$109 | $6,356 |
| Year 5 | $8,050 | $1,289 | $6,761 |
| Year 6 | $9,961 | $2,709 | $7,251 |
| Year 7 | $11,986 | $4,154 | $7,832 |
| Year 8 | $14,134 | $5,625 | $8,508 |
| Year 9 | $16,410 | $7,125 | $9,285 |
| Year 10 | $18,822 | $8,655 | $10,167 |
| Year 11 | $21,380 | $10,218 | $11,161 |
| Year 12 | $24,090 | $11,818 | $12,273 |
| Year 13 | $26,964 | $13,455 | $13,509 |
| Year 14 | $30,010 | $15,134 | $14,875 |
| Year 15 | $33,238 | $16,858 | $16,380 |
| Year 16 | $36,660 | $18,629 | $18,031 |
| Year 17 | $40,288 | $20,453 | $19,835 |
| Year 18 | $44,133 | $22,331 | $21,802 |
| Year 19 | $48,209 | $24,270 | $23,939 |
| Year 20 | $52,530 | $26,273 | $26,257 |
| Year 21 | $57,110 | $28,345 | $28,765 |
| Year 22 | $61,964 | $30,491 | $31,473 |
| Year 23 | $67,110 | $32,717 | $34,393 |
| Year 24 | $72,565 | $35,029 | $37,536 |
| Year 25 | $78,347 | $37,432 | $40,914 |
Start Saving in Oakland
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Ameren Illinois rates projected to rise again next year. Lock in savings now.