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Transmission Line, Substation & ISO/RTO Lookup

Find the nearest transmission line and substation to any US lat/lon, plus the serving utility and ISO/RTO. Includes 69 kV sub-transmission. No API key.

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Transmission Line & Substation Distance API by Coordinates
Transmission Line & Substation Distance API by Coordinatesmalonestar/hifld-grid-proximity-screener
Asset label
Grid access tier
Nearest line distance (mi)
Nearest line voltage (kV)
+25 fields
Text
Number
Boolean
List
Object

Input

Assets (sites to screen)(required)
lat:39.017+3
lon:-77.46+3
label:Ashburn VA data center site (PJM)+3
Search radius (miles):10
Screen electric substations:true
Screen power plants and storage:true
Resolve serving utility and ISO/RTO:true
Flag non-authoritative planned lines (advanced):true
Skip ERROR rows (do not emit or bill them):false
Max assets to screen:500

Output fields

Asset label
Grid access tier
Nearest line distance (mi)
Nearest line voltage (kV)
Nearest line voltage class
Nearest line owner
Lines within radius
Sub-transmission lines within radius
Max existing line voltage within radius (kV)
Nearest substation name
Nearest NAMED substation
Nearest substation distance (mi)
Nearest substation max voltage (kV)
Nearest substation line count
Named substations within radius
Substations within radius
Nearest power plant name
Nearest power plant distance (mi)
Nearest power plant capacity (MW)
Nearest power plant fuel
Power plants within radius
Generation within radius (MW)
Battery storage within radius (MW)
Serving utility
ISO / RTO
Balancing authority code
Utility customer count
Transmission line source
Error

How it works

Sign up on Apify or log in

The Transmission Line & Substation Distance API by Coordinates Actor is ready to run with the inputs already set for "Transmission Line, Substation & ISO/RTO Lookup". Sign up or log in and you'll land in Apify Console with a copy of this exact task.

Start the "Transmission Line, Substation & ISO/RTO Lookup" task

The Transmission Line & Substation Distance API by Coordinates Actor will start running based on the input automatically. You can also change all the input fields, like assets (sites to screen), search radius (miles), and more, to match your specific use case.

Receive the "Transmission Line, Substation & ISO/RTO Lookup" output

Monitor the progress in real time. You will be notified as soon as your dataset is complete and ready for review. Each result includes data such as asset label, grid access tier, nearest line distance (mi), and more.

Integrate into your workflow

The final output is delivered in JSON, CSV, or Excel format, ready to be plugged into your workflow. You can also run the "Transmission Line, Substation & ISO/RTO Lookup" task via API.

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