Solar System Sizing Tool — Carmel, IN

Use our interactive tool to determine the right solar system size for your home in Carmel. Adjust your monthly electricity bill and home size to see a personalized recommendation based on local solar conditions.

Size Your Solar System

$

Local rate: 15.5¢/kWh

ft

Peak sun hours: 4.2h/day

8.1

System Size (kW)

21

Panels Needed

378

Roof Space (sq ft)

$23,029

Est. Cost

12,387

Annual kWh

100%

Energy Offset

Energy Offset100% of your usage covered by solar
0%50%100%

How We Calculate Your System Size

Your recommended solar system size is based on several factors specific to Carmel, IN:

  • Electricity usage: Your monthly bill is converted to annual kWh consumption using the local rate of 15.5¢/kWh.
  • Solar irradiance: Carmel receives an average of 4.2 peak sun hours per day, which determines how much energy each panel produces.
  • Panel specifications: We use 400W panels, each requiring approximately 18 sq ft of roof space, which is standard for modern residential installations.
  • Roof space: The total roof area needed depends on the number of panels. The average home in Carmel is 2,300 sq ft.

Solar at a Glance: Carmel, IN

15.5¢

Avg Rate / kWh

4.2h

Peak Sun Hours / Day

8.1 kW

Avg Recommended Size

21

Avg Panels Needed

$23,029

Est. Cost (before incentives)

Duke Energy Indiana

Utility Provider

Other Cities in Indiana

Related Resources

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