How Much Can Solar Save in Limestone?
Real numbers based on current ComEd rates and Illinois incentives.
$157
Current Bill/mo
$150
Est. Lease + Battery
5.8 yrs
Payback Period
$52,635
25-Year Savings
What You're Paying Now
Without solar, here's what ComEd electricity will cost you over time at 6% annual rate increases.
Monthly Bill
$157
Annual Cost
$1,884
25-Year Cost (No Solar)
$103,365
Your Solar Investment
7.5 kW System
$21,750
$10,959
After All IL Incentives
DG Rebate ($300/kW)-$2,250
Illinois Shines RECs (lump sum, ~18 mo)-$8,541
With vs Without Solar in Limestone
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $157/mo | $132/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | +$5/mo |
| 5-Year Cost | $10,174 | $7,920 |
| 25-Year Cost | $103,365 | $50,730 |
| 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
$52,635
Without Solar
With Solar
Year 1Payback Year
$1,884
$1,823
Year 5
$10,620
$826
Year 10
$24,833
$10,992
Year 15
$43,852
$22,320
Year 20
$69,304
$35,325
Year 25
$103,365
$50,729
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1Payback | $1,884 | $1,823 | $61 |
| Year 2 | $3,881 | -$4,872 | $8,753 |
| Year 3 | $5,998 | -$3,001 | $8,998 |
| Year 4 | $8,242 | -$1,102 | $9,344 |
| Year 5 | $10,620 | $826 | $9,794 |
| Year 6 | $13,142 | $2,785 | $10,356 |
| Year 7 | $15,814 | $4,779 | $11,035 |
| Year 8 | $18,647 | $6,809 | $11,838 |
| Year 9 | $21,650 | $8,879 | $12,770 |
| Year 10 | $24,833 | $10,992 | $13,841 |
| Year 11 | $28,207 | $13,151 | $15,056 |
| Year 12 | $31,783 | $15,359 | $16,424 |
| Year 13 | $35,574 | $17,621 | $17,953 |
| Year 14 | $39,592 | $19,940 | $19,653 |
| Year 15 | $43,852 | $22,320 | $21,532 |
| Year 16 | $48,367 | $24,767 | $23,600 |
| Year 17 | $53,153 | $27,286 | $25,867 |
| Year 18 | $58,226 | $29,881 | $28,345 |
| Year 19 | $63,604 | $32,559 | $31,045 |
| Year 20 | $69,304 | $35,325 | $33,979 |
| Year 21 | $75,346 | $38,186 | $37,160 |
| Year 22 | $81,751 | $41,149 | $40,602 |
| Year 23 | $88,540 | $44,222 | $44,318 |
| Year 24 | $95,737 | $47,413 | $48,324 |
| Year 25 | $103,365 | $50,729 | $52,635 |
Start Saving in Limestone
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