How much will solar cost for a 2000 square foot home?

A: This is a trick question! There is no direct correlation between square footage and watts of solar to power the home.

Unfortunately there is no per square foot "average" since the cost of a system actually depends on your daily energy usage and how many full sun hours you receive per day; and if you have other sources of electricity. To accurately size a system to meet your needs, you need to know how much energy (kilowatt-hours, kWh) you use per day. If your home is connected to the utility grid, simply look at your monthly electric bill. If not, you can fill out our load evaluation form. Using this information, we can design a system to meet your needs.

 

Want some examples?


(All figures are in monthly averages)

 

Some examples of household usage

Solar Electric Info

 


Square Footage

Electrical usage (kwh)

average kwh/ square foot

# of watts of PV to cover 100% of electricity usage

Watts PV/ Square Foot

Main heating source

1000

377

.377

2200

2.2

Oil

1270

250

.197

1500

1.1

Gas

1800

250

.139

1500

1.1

Propane

2000

295

.148

1700

0.9

Oil

2650

1175

.44

6900

2.9

Oil

2800

1010

.36

5900

2.1

Oil/wood

3000

1555

.518

9100

3

Gas/wood

 

Here is a chart showing the above information. Although these examples represent only a small sample of possible combinations of electricity usage for households, hopefully we have demonstrated that the amount of PV it will take to power your needs depends upon your electricity use and NOT the square footage of your home.

Chart showing watts
There is no direct calculation between square footage and PV watts.
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