How Much Can Solar Save in Springfield?
Real numbers based on current Ameren Illinois rates and Illinois incentives.
$135
Current Bill/mo
$143
Est. Lease + Battery
7 yrs
Payback Period
$39,050
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
$135
Annual Cost
$1,620
25-Year Cost (No Solar)
$88,881
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 Springfield
| Metric | Without Solar | With Solar |
|---|---|---|
| Monthly Cost | $135/mo | $123/mo (loan) |
| Monthly Cash Flow | -$0 (all to utility) | $-10/mo |
| 5-Year Cost | $8,748 | $7,380 |
| 25-Year Cost | $88,881 | $49,831 |
| 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
$39,050
Without Solar
With Solar
Year 1
$1,620
$1,742
Year 2Payback Year
$3,337
-$3,499
Year 5
$9,132
$1,954
Year 10
$21,353
$11,700
Year 15
$37,707
$22,575
Year 20
$59,593
$35,061
Year 25
$88,881
$49,830
| Year | Without Solar | With Solar | Cumulative Savings |
|---|---|---|---|
| Year 1 | $1,620 | $1,742 | -$122 |
| Year 2Payback | $3,337 | -$3,499 | $6,836 |
| Year 3 | $5,157 | -$1,709 | $6,866 |
| Year 4 | $7,087 | $108 | $6,979 |
| Year 5 | $9,132 | $1,954 | $7,178 |
| Year 6 | $11,300 | $3,831 | $7,469 |
| Year 7 | $13,598 | $5,741 | $7,857 |
| Year 8 | $16,034 | $7,688 | $8,346 |
| Year 9 | $18,616 | $9,673 | $8,943 |
| Year 10 | $21,353 | $11,700 | $9,653 |
| Year 11 | $24,254 | $13,772 | $10,482 |
| Year 12 | $27,329 | $15,891 | $11,438 |
| Year 13 | $30,589 | $18,063 | $12,526 |
| Year 14 | $34,044 | $20,289 | $13,755 |
| Year 15 | $37,707 | $22,575 | $15,132 |
| Year 16 | $41,589 | $24,925 | $16,664 |
| Year 17 | $45,705 | $27,343 | $18,361 |
| Year 18 | $50,067 | $29,835 | $20,232 |
| Year 19 | $54,691 | $32,406 | $22,286 |
| Year 20 | $59,593 | $35,061 | $24,532 |
| Year 21 | $64,788 | $37,806 | $26,982 |
| Year 22 | $70,296 | $40,649 | $29,647 |
| Year 23 | $76,133 | $43,595 | $32,538 |
| Year 24 | $82,321 | $46,653 | $35,668 |
| Year 25 | $88,881 | $49,830 | $39,050 |
Start Saving in Springfield
Get a free, personalized solar analysis based on your actual Ameren Illinois bill and roof. Lease or own — we'll find the best option.
✓ $0 down lease available — save from day 1 with no upfront cost
Ameren Illinois rates projected to rise again next year. Lock in savings now.