How Much Can Solar Save in Limestone?

Real numbers based on current ComEd rates and Illinois incentives.

$157

Current Bill/mo

$150

Est. Lease + Battery

25+ yrs

Years of Pure Profit

$55,717

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

$157

Annual Cost

$1,884

25-Year Cost (No Solar)

$103,365

Your Solar Investment

7.5 kW System

$20,625

$9,031

After All IL Incentives

DG Rebate ($300/kW)-$2,250

Illinois Shines RECs (lump sum, ~18 mo)-$9,344

With vs Without Solar in Limestone

Metric	Without Solar	With Solar
Monthly Cost	$157/mo	$124/mo (loan)
Monthly Cash Flow	-$0 (all to utility)	+$13/mo
5-Year Cost	$10,174	$7,440
25-Year Cost	$103,365	$47,648
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

$55,717

Without Solar

With Solar

Year 1Profit Starts Here

$1,884

$1,732

Year 5

$10,620

-$433

Year 10

$24,833

$9,277

Year 15

$43,852

$20,150

Year 20

$69,304

$32,699

Year 25

$103,365

$47,648

Year	Without Solar	With Solar	Cumulative Savings
Year 1Profit Starts	$1,884	$1,732	$152
Year 2	$3,881	-$5,857	$9,738
Year 3	$5,998	-$4,077	$10,075
Year 4	$8,242	-$2,270	$10,511
Year 5	$10,620	-$433	$11,053
Year 6	$13,142	$1,435	$11,706
Year 7	$15,814	$3,338	$12,476
Year 8	$18,647	$5,277	$13,370
Year 9	$21,650	$7,256	$14,394
Year 10	$24,833	$9,277	$15,555
Year 11	$28,207	$11,345	$16,862
Year 12	$31,783	$13,462	$18,321
Year 13	$35,574	$15,633	$19,941
Year 14	$39,592	$17,860	$21,732
Year 15	$43,852	$20,150	$23,702
Year 16	$48,367	$22,506	$25,861
Year 17	$53,153	$24,933	$28,220
Year 18	$58,226	$27,437	$30,789
Year 19	$63,604	$30,024	$33,580
Year 20	$69,304	$32,699	$36,605
Year 21	$75,346	$35,469	$39,878
Year 22	$81,751	$38,341	$43,410
Year 23	$88,540	$41,323	$47,218
Year 24	$95,737	$44,422	$51,315
Year 25	$103,365	$47,648	$55,717

Calculate YOUR Savings

Enter your actual ComEd 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 Limestone

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

Start Saving in Limestone

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

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