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Download Project Sunroof Data

The data in the Project Sunroof data explorer is available for download, making it easy to compare different areas, incorporate the data into other analyses, or include it in reports and communications. Data in the .CSV format can be used in spreadsheet applications and other analytical tools. For a description of each field, see metadata.csv.

Alternatively, data is available in Google BigQuery by U.S. postal code.

The use of this data is subject to Google's Terms of Service. Feel free to include this data from Project Sunroof in other analyses, materials, reports, and communications with the following attribution:

Source: Google Project Sunroof data explorer (December 2024).
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Estimated rooftop solar potential of Gary, IN

Last updated: {{ $ctrl.details.getDateUpdatedMillis() | date:'MM/yyyy' }}
Sunlight on rooftops visibility
Shady Sunny
Existing solar arrays visibility_off
Median household income visibility_off
Buildings
69%
solar-viable
9
existing solar installations

Based on 93% data coverage over buildings in this geographic area. All estimates are based on buildings viable for solar panels. Included panels receive at least 75% of the maximum annual sun in the county. For Gary, the threshold is 974 kWh/kW. Read about Project Sunroof’s methodology for defining solar viability below.

Estimated solar installation potential

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Overall

Total estimated size and solar electricity production of viable roofs for Gary, IN

Roofs
69%
Roofs
30.5K
Roof space
28.5M
sq ft
Capacity
647
MW DC
Electricity
736K
MWh AC per yr

Total installation size (MW DC)

Total yearly energy generation potential (MWh AC)

Per roof

Median estimated system size and solar electricity production per viable roof for Gary, IN

Roof space
317
sq ft
Capacity
7.7
kW DC
Electricity
8K
kWh AC per yr

Rooftop solar capacity distribution (number of roofs, < 50kW)

Rooftop solar capacity distribution (number of roofs, > 50kW)

Potential impact

If all the viable solar installations were implemented, the amount of avoided CO2 emissions from the electricity sector in Gary would be:

Carbon dioxide
650K
metric tons
=
Passenger cars
141K
taken off the road for 1 yr
=
Tree seedlings
10.8M
grown for 10 yrs

Solar incentives

Sector
Type
External link
Federal ITC Full Rate Base Credit
COMMERCIAL
FEDERAL TAX CREDIT
Federal PTC Base Rate Base Credit
COMMERCIAL
PRODUCTION
Federal PTC Base Rate Energy Community Bonus
COMMERCIAL
PRODUCTION
Federal ITC Base Rate Domestic Content bonus (Com
COMMERCIAL
FEDERAL TAX CREDIT
IN Solar Renewable Energy Certificate (SREC)
RESIDENTIAL
PRODUCTION
Federal ITC Full Rate Domestic Content bonus
COMMERCIAL
FEDERAL TAX CREDIT
Federal ITC Tax Credit
RESIDENTIAL
FEDERAL TAX CREDIT
Federal PTC Full Rate Base Credit
COMMERCIAL
PRODUCTION
Federal ITC Base Rate Energy Community bonus
COMMERCIAL
FEDERAL TAX CREDIT
Federal ITC Base Rate Domestic Content bonus
COMMERCIAL
FEDERAL TAX CREDIT
Federal PTC Base Rate Domestic Content Bonus
COMMERCIAL
PRODUCTION
Federal ITC Base Rate Energy Community bonus (Com
COMMERCIAL
FEDERAL TAX CREDIT
IN Solar Renewable Energy Certificate (SREC)
COMMERCIAL
PRODUCTION
Federal PTC Full Rate Energy Community Bonus
COMMERCIAL
PRODUCTION
Federal ITC Base Rate Base Credit
COMMERCIAL
FEDERAL TAX CREDIT
Federal PTC Full Rate Domestic Content Bonus
COMMERCIAL
PRODUCTION
Federal ITC Full Rate Domestic Content bonus (Com
COMMERCIAL
FEDERAL TAX CREDIT
Federal ITC Full Rate Energy Community bonus
COMMERCIAL
FEDERAL TAX CREDIT

Estimate methodology

This tool estimates the technical solar potential of all buildings in a region. Technical potential includes electricity generated by the rooftop area suitable for solar panels assuming economics and grid integration are not a constraint. There are many definitions of technical potential, and other definitions may affect results by 25% or more. Based on Project Sunroof’s definition of technical potential, installations meet the following criteria:

Sunlight
Every included panel receives at least 75% of the maximum annual sun in the county. For Gary, the threshold is 974 kWh/kW.
Installation size
Every included roof has a total potential installation size of at least 2kW.
Space & obstacles
Only areas of the roof with enough space to install 4 adjacent solar panels are included. Obstacles like chimneys are taken into account.
Read more methodology

Attribution

Feel free to include data from Project Sunroof in other materials, reports, and communications with the following attribution:

Source: Project Sunroof data explorer ({{ $ctrl.details.getDateUpdatedMillis() | date:'MMMM y' }}).
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