How Much Can Solar Save in Mark?
Real numbers based on current ComEd rates and Illinois incentives.
$143
Current Bill/mo
$142
Est. Lease + Battery
5.3 yrs
Payback Period
$50,083
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
$143
Annual Cost
$1,716
25-Year Cost (No Solar)
$94,148
Your Solar Investment
6 kW System
$17,400
$8,767
After All IL Incentives
DG Rebate ($300/kW)-$1,800
Illinois Shines RECs (lump sum, ~18 mo)-$6,833
With vs Without Solar in Mark
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $143/mo | $105/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | +$17/mo |
| 5-Year Cost | $9,266 | $6,300 |
| 25-Year Cost | $94,148 | $44,065 |
| 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
$50,083
Without Solar
With Solar
Year 1Payback Year
$1,716
$1,511
Year 5
$9,673
$964
Year 10
$22,618
$9,533
Year 15
$39,942
$19,216
Year 20
$63,124
$30,499
Year 25
$94,148
$44,065
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1Payback | $1,716 | $1,511 | $205 |
| Year 2 | $3,535 | -$3,789 | $7,324 |
| Year 3 | $5,463 | -$2,232 | $7,695 |
| Year 4 | $7,507 | -$648 | $8,155 |
| Year 5 | $9,673 | $964 | $8,709 |
| Year 6 | $11,970 | $2,607 | $9,363 |
| Year 7 | $14,404 | $4,283 | $10,121 |
| Year 8 | $16,984 | $5,994 | $10,991 |
| Year 9 | $19,719 | $7,743 | $11,976 |
| Year 10 | $22,618 | $9,533 | $13,085 |
| Year 11 | $25,691 | $11,367 | $14,324 |
| Year 12 | $28,949 | $13,249 | $15,700 |
| Year 13 | $32,402 | $15,182 | $17,220 |
| Year 14 | $36,062 | $17,169 | $18,893 |
| Year 15 | $39,942 | $19,216 | $20,726 |
| Year 16 | $44,054 | $21,326 | $22,728 |
| Year 17 | $48,413 | $23,504 | $24,909 |
| Year 18 | $53,034 | $25,756 | $27,279 |
| Year 19 | $57,932 | $28,085 | $29,847 |
| Year 20 | $63,124 | $30,499 | $32,625 |
| Year 21 | $68,628 | $33,004 | $35,624 |
| Year 22 | $74,461 | $35,605 | $38,856 |
| Year 23 | $80,645 | $38,311 | $42,334 |
| Year 24 | $87,200 | $41,128 | $46,072 |
| Year 25 | $94,148 | $44,065 | $50,083 |
Start Saving in Mark
Get a free, personalized solar analysis based on your actual ComEd bill and roof. Lease or own — we'll find the best option.
✓ $0 down lease available — save from day 1 with no upfront cost
ComEd rates projected to rise again next year. Lock in savings now.