How Much Can Solar Save in Waterloo?
Real numbers based on current Ameren Illinois rates and Illinois incentives.
$157
Current Bill/mo
$154
Est. Lease + Battery
6.2 yrs
Payback Period
$50,028
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
$157
Annual Cost
$1,884
25-Year Cost (No Solar)
$103,365
Your Solar Investment
7 kW System
$20,300
$11,194
After All IL Incentives
DG Rebate ($300/kW)-$2,100
Illinois Shines RECs (lump sum, ~18 mo)-$7,006
With vs Without Solar in Waterloo
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $157/mo | $123/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | +$8/mo |
| 5-Year Cost | $10,174 | $7,380 |
| 25-Year Cost | $103,365 | $53,337 |
| 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
$50,028
Without Solar
With Solar
Year 1Payback Year
$1,884
$1,790
Year 5
$10,620
$2,240
Year 10
$24,833
$12,409
Year 15
$43,852
$23,902
Year 20
$69,304
$37,282
Year 25
$103,365
$53,337
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1Payback | $1,884 | $1,790 | $94 |
| Year 2 | $3,881 | -$3,398 | $7,279 |
| Year 3 | $5,998 | -$1,551 | $7,549 |
| Year 4 | $8,242 | $327 | $7,914 |
| Year 5 | $10,620 | $2,240 | $8,380 |
| Year 6 | $13,142 | $4,189 | $8,952 |
| Year 7 | $15,814 | $6,177 | $9,637 |
| Year 8 | $18,647 | $8,208 | $10,439 |
| Year 9 | $21,650 | $10,284 | $11,365 |
| Year 10 | $24,833 | $12,409 | $12,424 |
| Year 11 | $28,207 | $14,586 | $13,620 |
| Year 12 | $31,783 | $16,820 | $14,963 |
| Year 13 | $35,574 | $19,114 | $16,460 |
| Year 14 | $39,592 | $21,473 | $18,119 |
| Year 15 | $43,852 | $23,902 | $19,950 |
| Year 16 | $48,367 | $26,405 | $21,962 |
| Year 17 | $53,153 | $28,989 | $24,164 |
| Year 18 | $58,226 | $31,659 | $26,567 |
| Year 19 | $63,604 | $34,421 | $29,183 |
| Year 20 | $69,304 | $37,282 | $32,022 |
| Year 21 | $75,346 | $40,249 | $35,098 |
| Year 22 | $81,751 | $43,329 | $38,422 |
| Year 23 | $88,540 | $46,532 | $42,008 |
| Year 24 | $95,737 | $49,865 | $45,872 |
| Year 25 | $103,365 | $53,337 | $50,028 |
Start Saving in Waterloo
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Ameren Illinois rates projected to rise again next year. Lock in savings now.