Solar System Sizing Tool — Providence, RI

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

Size Your Solar System

$

Local rate: 27.8¢/kWh

ft

Peak sun hours: 4.1h/day

5.1

System Size (kW)

13

Panels Needed

234

Roof Space (sq ft)

$14,633

Est. Cost

7,683

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 Providence, RI:

  • Electricity usage: Your monthly bill is converted to annual kWh consumption using the local rate of 27.8¢/kWh.
  • Solar irradiance: Providence 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 Providence is 1,550 sq ft.

Solar at a Glance: Providence, RI

27.8¢

Avg Rate / kWh

4.1h

Peak Sun Hours / Day

5.1 kW

Avg Recommended Size

13

Avg Panels Needed

$14,633

Est. Cost (before incentives)

Rhode Island Energy

Utility Provider

Other Cities in Rhode Island

Related Resources

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