How Much Can Solar Save in Colp?
Real numbers based on current Ameren Illinois rates and Illinois incentives.
$114
Current Bill/mo
$134
Est. Lease + Battery
6.8 yrs
Payback Period
$35,296
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
$114
Annual Cost
$1,368
25-Year Cost (No Solar)
$75,055
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 Colp
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $114/mo | $105/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | $-6/mo |
| 5-Year Cost | $7,387 | $6,300 |
| 25-Year Cost | $75,055 | $39,759 |
| 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
$35,296
Without Solar
With Solar
Year 1
$1,368
$1,437
Year 2Payback Year
$2,818
-$3,115
Year 5
$7,712
$1,359
Year 10
$18,031
$9,297
Year 15
$31,842
$18,071
Year 20
$50,323
$28,050
Year 25
$75,055
$39,758
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1 | $1,368 | $1,437 | -$69 |
| Year 2Payback | $2,818 | -$3,115 | $5,933 |
| Year 3 | $4,355 | -$1,644 | $5,999 |
| Year 4 | $5,984 | -$153 | $6,137 |
| Year 5 | $7,712 | $1,359 | $6,353 |
| Year 6 | $9,542 | $2,894 | $6,649 |
| Year 7 | $11,483 | $4,453 | $7,030 |
| Year 8 | $13,540 | $6,038 | $7,501 |
| Year 9 | $15,720 | $7,652 | $8,068 |
| Year 10 | $18,031 | $9,297 | $8,734 |
| Year 11 | $20,481 | $10,975 | $9,506 |
| Year 12 | $23,078 | $12,688 | $10,390 |
| Year 13 | $25,831 | $14,440 | $11,391 |
| Year 14 | $28,749 | $16,233 | $12,516 |
| Year 15 | $31,842 | $18,071 | $13,771 |
| Year 16 | $35,120 | $19,956 | $15,164 |
| Year 17 | $38,595 | $21,892 | $16,703 |
| Year 18 | $42,279 | $23,884 | $18,395 |
| Year 19 | $46,184 | $25,935 | $20,248 |
| Year 20 | $50,323 | $28,050 | $22,273 |
| Year 21 | $54,710 | $30,233 | $24,477 |
| Year 22 | $59,361 | $32,490 | $26,870 |
| Year 23 | $64,290 | $34,826 | $29,464 |
| Year 24 | $69,516 | $37,247 | $32,269 |
| Year 25 | $75,055 | $39,758 | $35,296 |
Start Saving in Colp
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Ameren Illinois rates projected to rise again next year. Lock in savings now.