How Much Can Solar Save in Mason?

Real numbers based on current Ameren Illinois rates and Illinois incentives.

$113

Current Bill/mo

$135

Est. Lease + Battery

25+ yrs

Years of Pure Profit

$40,681

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

$113

Annual Cost

$1,356

25-Year Cost (No Solar)

$74,396

Your Solar Investment

5.5 kW System

$15,125

$6,865

After All IL Incentives

DG Rebate ($300/kW)-$1,650

Illinois Shines RECs (lump sum, ~18 mo)-$6,610

With vs Without Solar in Mason

Metric	Without Solar	With Solar
Monthly Cost	$113/mo	$91/mo (loan)
Monthly Cash Flow	-$0 (all to utility)	+$9/mo
5-Year Cost	$7,322	$5,460
25-Year Cost	$74,396	$33,715
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

$40,681

Without Solar

With Solar

Year 1Profit Starts Here

$1,356

$1,243

Year 5

$7,644

-$227

Year 10

$17,873

$6,692

Year 15

$31,562

$14,395

Year 20

$49,881

$23,236

Year 25

$74,396

$33,716

Year	Without Solar	With Solar	Cumulative Savings
Year 1Profit Starts	$1,356	$1,243	$113
Year 2	$2,793	-$4,108	$6,902
Year 3	$4,317	-$2,833	$7,150
Year 4	$5,932	-$1,540	$7,472
Year 5	$7,644	-$227	$7,870
Year 6	$9,459	$1,108	$8,351
Year 7	$11,382	$2,465	$8,917
Year 8	$13,421	$3,847	$9,574
Year 9	$15,582	$5,255	$10,327
Year 10	$17,873	$6,692	$11,181
Year 11	$20,302	$8,161	$12,141
Year 12	$22,876	$9,662	$13,213
Year 13	$25,604	$11,200	$14,404
Year 14	$28,496	$12,777	$15,720
Year 15	$31,562	$14,395	$17,167
Year 16	$34,812	$16,059	$18,753
Year 17	$38,257	$17,771	$20,486
Year 18	$41,908	$19,535	$22,373
Year 19	$45,779	$21,355	$24,423
Year 20	$49,881	$23,236	$26,645
Year 21	$54,230	$25,182	$29,048
Year 22	$58,840	$27,197	$31,643
Year 23	$63,726	$29,287	$34,439
Year 24	$68,906	$31,458	$37,448
Year 25	$74,396	$33,716	$40,681

Calculate YOUR Savings

Enter your actual Ameren Illinois bill to see a personalized 25-year savings projection.

$Enter Your Information

Average Monthly Electric Bill

Current Utility Rate ($/kWh)

Default: $0.16/kWh (ComEd & Ameren average)

Utility Rate Escalator: 4.5% per year

Conservative (2%)Historical Average (6%)Aggressive (10%)

How We Calculate Your Savings

This calculator uses your custom utility rate (default $0.16/kWh for Illinois) with a 4.5% annual escalator compared to our fixed lease rate of $0.10/kWh (avg.) for 15 years. A low-escalator option is also available for a lower starting payment. After the 15-year lease, you can keep the system for a low fair-market buyout — then your electricity cost drops to near-zero for the remaining life of the panels (25+ years). Your actual savings may vary based on your specific usage patterns and system size.

More Solar Resources for Mason

Solar IncentivesRECs, rebates & tax exemptions Electricity RatesRate trends & bill analysis Solar FAQCommon questions answered

Start Saving in Mason

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, competitive cash pricing, or Solar for All — your choice

Get Your $0 Down Quote

Ameren Illinois rates projected to rise again next year. Lock in savings now.

Or call (618) 217-2001|Info@ltdsolarconsulting.com