HIFLD

Live

US critical infrastructure — 77K electric substations, 94K transmission lines. Free, no auth required.

What is HIFLD?

HIFLD (Homeland Infrastructure Foundation-Level Data) provides free public access to US critical infrastructure datasets. Query 77,946 electric substations and 94,619 transmission lines by state, county, voltage, owner, or geographic proximity. Ideal for data center siting, energy infrastructure analysis, and power grid assessment.

Available Tools

searchSubstations
Search 77K electric substations by state, county, voltage, owner, or bbox
countSubstations
Count substations matching filters
getSubstation
Find a substation by name
getSubstationsByVoltage
Find substations at or above a voltage threshold (e.g., 345kV+)
getNearbySubstations
Find substations near a lat/lng point within a radius
searchTransmissionLines
Search 94K transmission lines by owner, voltage class, or bbox
countTransmissionLines
Count transmission lines matching filters
getNearbyTransmissionLines
Find transmission lines near a lat/lng point
getTransmissionLinesByVoltage
Find transmission lines at or above a voltage
getInfrastructureNearLocation
Get both substations AND transmission lines near a point
getStateInfrastructureSummary
Get infrastructure summary for a state with high-voltage details

Requirements

No authentication required
Free public data. Toggle on from the MCP Servers page — no API key or account needed.

Quick Setup Guide

Follow these steps to connect your AI agents to this connector

Go to /mcp, find HIFLD under Energy connectors, and toggle it on. No credentials needed.

Use searchSubstations with state='TX' to find Texas substations, or getNearbySubstations with lat/lng for proximity search.

Connect to Your AI Assistant

Choose your AI assistant below for specific setup instructions

Follow these steps to connect HIFLD to Claude:

Step 1: Open Claude Settings

Launch Claude → Click the profile button (bottom left) → Navigate to Settings

Step 2: Access Connectors

Scroll down to the Connectors tab → Navigate to the bottom → Click “Add Custom Connector”

Step 3: Name Your Connector

Enter any name you'd like for this connector

Step 4: Get the Connector URL

Step 5: Add the Connector

Paste the URL in the “Remote MCP Server URL” text box → Click Add

Step 6: Start Using

Your connector is now ready to use in Claude

Follow these steps to connect HIFLD to ChatGPT:

Step 1: Enable Developer Mode

Go to Settings → Connectors → Advanced → Enable Developer mode

Step 2: Create New Connector

Go back to Connectors page → Click “Create” (top right)

Step 3: Name Your Connector

Enter any name you'd like for this connector (descriptions are optional)

Step 4: Get the Connector URL

Step 5: Add the URL

Paste the URL in the “MCP Server URL” text box

Step 6: Set Authentication

Click the authentication dropdown → Select “No authentication” (PatchOps handles authentication internally)

Step 7: Create the Connector

Click “I understand and want to continue” checkbox → Press Create

Step 8: Using the Connector

Start a new chat → Click the + button (left of text box) → Open dropdown → Hover over three dots labeled “More” → Select your connector

Instructions for connecting HIFLD to GitHub Copilot:

Coming Soon

Detailed setup instructions for GitHub Copilot will be added here.

For other MCP-compatible platforms:

Step 1: Get the Connector URL

Step 2: Add to Configuration

Add this configuration to your MCP settings file. Replace the URL with your specific connector URL from the /mcp page:

"HIFLD-MCP": {
  "url": "https://patchops.ai/api/mcp/...",
  "type": "http"
}

Example Configuration

Here’s an example using PatchOps MCP:

"PatchOps-MCP": {
  "url": "https://patchops.ai/api/mcp/...",
  "type": "http"
}