How Much Can Solar Save in Mapleton?
Real numbers based on current Ameren Illinois rates and Illinois incentives.
$120
Current Bill/mo
$134
Est. Lease + Battery
6.9 yrs
Payback Period
$34,744
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 Mapleton
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $120/mo | $105/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | $-7/mo |
| 5-Year Cost | $7,776 | $6,300 |
| 25-Year Cost | $79,005 | $44,261 |
| 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
$34,744
Without Solar
With Solar
Year 1
$1,440
$1,519
Year 2Payback Year
$2,966
-$2,944
Year 5
$8,117
$1,825
Year 10
$18,980
$10,386
Year 15
$33,517
$19,989
Year 20
$52,971
$31,076
Year 25
$79,005
$44,261
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1 | $1,440 | $1,519 | -$79 |
| Year 2Payback | $2,966 | -$2,944 | $5,911 |
| Year 3 | $4,584 | -$1,380 | $5,965 |
| Year 4 | $6,299 | $209 | $6,090 |
| Year 5 | $8,117 | $1,825 | $6,292 |
| Year 6 | $10,044 | $3,471 | $6,574 |
| Year 7 | $12,087 | $5,147 | $6,940 |
| Year 8 | $14,252 | $6,856 | $7,396 |
| Year 9 | $16,547 | $8,602 | $7,946 |
| Year 10 | $18,980 | $10,386 | $8,595 |
| Year 11 | $21,559 | $12,211 | $9,348 |
| Year 12 | $24,293 | $14,080 | $10,212 |
| Year 13 | $27,190 | $15,998 | $11,193 |
| Year 14 | $30,262 | $17,966 | $12,296 |
| Year 15 | $33,517 | $19,989 | $13,528 |
| Year 16 | $36,968 | $22,071 | $14,898 |
| Year 17 | $40,627 | $24,216 | $16,411 |
| Year 18 | $44,504 | $26,428 | $18,076 |
| Year 19 | $48,614 | $28,713 | $19,901 |
| Year 20 | $52,971 | $31,076 | $21,895 |
| Year 21 | $57,590 | $33,522 | $24,068 |
| Year 22 | $62,485 | $36,056 | $26,429 |
| Year 23 | $67,674 | $38,687 | $28,987 |
| Year 24 | $73,174 | $41,419 | $31,755 |
| Year 25 | $79,005 | $44,261 | $34,744 |
Start Saving in Mapleton
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