How Much Can Solar Save in Westchester?
Real numbers based on current ComEd rates and Illinois incentives.
$181
Current Bill/mo
$161
Est. Lease + Battery
5.5 yrs
Payback Period
$61,643
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
$181
Annual Cost
$2,172
25-Year Cost (No Solar)
$119,166
Your Solar Investment
8 kW System
$23,200
$11,690
After All IL Incentives
DG Rebate ($300/kW)-$2,400
Illinois Shines RECs (lump sum, ~18 mo)-$9,110
With vs Without Solar in Westchester
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $181/mo | $140/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | +$14/mo |
| 5-Year Cost | $11,729 | $8,400 |
| 25-Year Cost | $119,166 | $57,523 |
| 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
$61,643
Without Solar
With Solar
Year 1Payback Year
$2,172
$1,999
Year 5
$12,244
$1,195
Year 10
$28,629
$12,478
Year 15
$50,555
$25,175
Year 20
$79,898
$39,902
Year 25
$119,166
$57,523
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1Payback | $2,172 | $1,999 | $173 |
| Year 2 | $4,474 | -$5,084 | $9,558 |
| Year 3 | $6,915 | -$3,025 | $9,940 |
| Year 4 | $9,502 | -$933 | $10,435 |
| Year 5 | $12,244 | $1,195 | $11,049 |
| Year 6 | $15,150 | $3,361 | $11,789 |
| Year 7 | $18,231 | $5,569 | $12,662 |
| Year 8 | $21,497 | $7,823 | $13,675 |
| Year 9 | $24,959 | $10,124 | $14,835 |
| Year 10 | $28,629 | $12,478 | $16,151 |
| Year 11 | $32,518 | $14,887 | $17,631 |
| Year 12 | $36,642 | $17,357 | $19,284 |
| Year 13 | $41,012 | $19,892 | $21,120 |
| Year 14 | $45,645 | $22,496 | $23,148 |
| Year 15 | $50,555 | $25,175 | $25,380 |
| Year 16 | $55,761 | $27,935 | $27,826 |
| Year 17 | $61,278 | $30,781 | $30,498 |
| Year 18 | $67,127 | $33,719 | $33,408 |
| Year 19 | $73,327 | $36,757 | $36,570 |
| Year 20 | $79,898 | $39,902 | $39,996 |
| Year 21 | $86,864 | $43,162 | $43,702 |
| Year 22 | $94,248 | $46,544 | $47,704 |
| Year 23 | $102,075 | $50,059 | $52,016 |
| Year 24 | $110,371 | $53,715 | $56,656 |
| Year 25 | $119,166 | $57,523 | $61,643 |
Start Saving in Westchester
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.