Solar System Sizing Tool — Biddeford, ME

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

Size Your Solar System

$

Local rate: 22.8¢/kWh

ft

Peak sun hours: 4.1h/day

5.3

System Size (kW)

14

Panels Needed

252

Roof Space (sq ft)

$15,236

Est. Cost

8,000

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 Biddeford, ME:

  • Electricity usage: Your monthly bill is converted to annual kWh consumption using the local rate of 22.8¢/kWh.
  • Solar irradiance: Biddeford receives an average of 4.1 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 Biddeford is 1,550 sq ft.

Solar at a Glance: Biddeford, ME

22.8¢

Avg Rate / kWh

4.1h

Peak Sun Hours / Day

5.3 kW

Avg Recommended Size

14

Avg Panels Needed

$15,236

Est. Cost (before incentives)

Central Maine Power

Utility Provider

Other Cities in Maine

Related Resources

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