How Much Can Solar Save in Greenfield?
Real numbers based on current Ameren Illinois rates and Illinois incentives.
$120
Current Bill/mo
$137
Est. Lease + Battery
6.6 yrs
Payback Period
$37,987
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
$120
Annual Cost
$1,440
25-Year Cost (No Solar)
$79,005
Your Solar Investment
6 kW System
$17,400
$9,595
After All IL Incentives
DG Rebate ($300/kW)-$1,800
Illinois Shines RECs (lump sum, ~18 mo)-$6,005
With vs Without Solar in Greenfield
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $120/mo | $105/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | $-1/mo |
| 5-Year Cost | $7,776 | $6,300 |
| 25-Year Cost | $79,005 | $41,018 |
| 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
$37,987
Without Solar
With Solar
Year 1
$1,440
$1,456
Year 2Payback Year
$2,966
-$3,075
Year 5
$8,117
$1,470
Year 10
$18,980
$9,567
Year 15
$33,517
$18,566
Year 20
$52,971
$28,863
Year 25
$79,005
$41,018
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1 | $1,440 | $1,456 | -$16 |
| Year 2Payback | $2,966 | -$3,075 | $6,042 |
| Year 3 | $4,584 | -$1,582 | $6,166 |
| Year 4 | $6,299 | -$67 | $6,367 |
| Year 5 | $8,117 | $1,470 | $6,647 |
| Year 6 | $10,044 | $3,032 | $7,012 |
| Year 7 | $12,087 | $4,621 | $7,466 |
| Year 8 | $14,252 | $6,238 | $8,014 |
| Year 9 | $16,547 | $7,886 | $8,662 |
| Year 10 | $18,980 | $9,567 | $9,413 |
| Year 11 | $21,559 | $11,284 | $10,275 |
| Year 12 | $24,293 | $13,039 | $11,254 |
| Year 13 | $27,190 | $14,836 | $12,355 |
| Year 14 | $30,262 | $16,677 | $13,585 |
| Year 15 | $33,517 | $18,566 | $14,952 |
| Year 16 | $36,968 | $20,506 | $16,463 |
| Year 17 | $40,627 | $22,501 | $18,125 |
| Year 18 | $44,504 | $24,557 | $19,948 |
| Year 19 | $48,614 | $26,675 | $21,939 |
| Year 20 | $52,971 | $28,863 | $24,108 |
| Year 21 | $57,590 | $31,124 | $26,466 |
| Year 22 | $62,485 | $33,464 | $29,021 |
| Year 23 | $67,674 | $35,889 | $31,785 |
| Year 24 | $73,174 | $38,405 | $34,770 |
| Year 25 | $79,005 | $41,018 | $37,987 |
Start Saving in Greenfield
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