How Much Can Solar Save in Mount Prospect?
Real numbers based on current ComEd rates and Illinois incentives.
$206
Current Bill/mo
$171
Est. Lease + Battery
5.6 yrs
Payback Period
$68,498
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
$206
Annual Cost
$2,472
25-Year Cost (No Solar)
$135,625
Your Solar Investment
9 kW System
$26,100
$13,151
After All IL Incentives
DG Rebate ($300/kW)-$2,700
Illinois Shines RECs (lump sum, ~18 mo)-$10,249
With vs Without Solar in Mount Prospect
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $206/mo | $158/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | +$15/mo |
| 5-Year Cost | $13,349 | $9,480 |
| 25-Year Cost | $135,625 | $67,127 |
| 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
$68,498
Without Solar
With Solar
Year 1Payback Year
$2,472
$2,294
Year 5
$13,935
$1,597
Year 10
$32,583
$14,628
Year 15
$57,538
$29,358
Year 20
$90,934
$46,518
Year 25
$135,625
$67,127
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1Payback | $2,472 | $2,294 | $178 |
| Year 2 | $5,092 | -$5,626 | $10,719 |
| Year 3 | $7,870 | -$3,260 | $11,130 |
| Year 4 | $10,814 | -$853 | $11,667 |
| Year 5 | $13,935 | $1,597 | $12,337 |
| Year 6 | $17,243 | $4,095 | $13,148 |
| Year 7 | $20,750 | $6,642 | $14,107 |
| Year 8 | $24,467 | $9,244 | $15,222 |
| Year 9 | $28,407 | $11,905 | $16,502 |
| Year 10 | $32,583 | $14,628 | $17,955 |
| Year 11 | $37,010 | $17,418 | $19,592 |
| Year 12 | $41,702 | $20,280 | $21,422 |
| Year 13 | $46,677 | $23,221 | $23,456 |
| Year 14 | $51,949 | $26,245 | $25,704 |
| Year 15 | $57,538 | $29,358 | $28,180 |
| Year 16 | $63,462 | $32,568 | $30,894 |
| Year 17 | $69,742 | $35,881 | $33,861 |
| Year 18 | $76,399 | $39,305 | $37,094 |
| Year 19 | $83,455 | $42,848 | $40,607 |
| Year 20 | $90,934 | $46,518 | $44,416 |
| Year 21 | $98,862 | $50,325 | $48,537 |
| Year 22 | $107,266 | $54,278 | $52,988 |
| Year 23 | $116,174 | $58,389 | $57,785 |
| Year 24 | $125,616 | $62,668 | $62,949 |
| Year 25 | $135,625 | $67,127 | $68,498 |
Start Saving in Mount Prospect
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.