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PG&E Feeder and Substation Load Profiles

PG&E's published load profile for each feeder and substation: the low and high load in kW for every month and hour, refreshed weekly.

Published by PG&E Grid Resource Integration Portal (opens in a new tab)Cadence: weekly snapshotLoadCAISO market
Ask the agentOpen in Data (opens in a new tab)

About this data

For each PG&E feeder and substation, this holds the load profile PG&E publishes on its Grid Resource Integration Portal: twelve months by twenty-four hours, giving the low and high load in kW for each month and hour. It is refreshed as a weekly snapshot. It shows how loaded a piece of the distribution system tends to be at different times of year and day.

What people use it for

  • See how loaded a PG&E feeder or substation is by hour
  • Find seasonal load patterns in the distribution grid
  • Screen locations for new load or generation

Where to use it

In Ask the Grid

Ask about it, see it live

The grid agent reads it to answer questions about CAISO. Every answer names the data it read and links back here.

CAISO market

In ATG Data

Build with the full table

Schema, full history, coverage and query rules live in Data, where you can browse every row, run SQL and connect it to your own code.

Plans and access

Latest data

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Questions

Which data provider has PG&E Feeder and Substation Load Profiles data?
Ask the Grid has it, from PG&E Grid Resource Integration Portal. You can browse every row in Ask the Grid Data, query it with SQL or the Ask the Grid API, reach it from an AI assistant over MCP, or ask the grid agent about it in plain English.
Where does PG&E Feeder and Substation Load Profiles come from?
It comes from PG&E Grid Resource Integration Portal. This page links to the original publication, so any value can be checked against it.
How do I download or query PG&E Feeder and Substation Load Profiles?
Open the pge_grip.load_profiles table in Ask the Grid Data to browse every row and run SQL against it, call it from code through the Ask the Grid API, or connect an MCP client. Full history can be delivered on a schedule to Snowflake, Databricks or your own storage.
Can I ask questions about PG&E Feeder and Substation Load Profiles in plain English?
Yes. The grid agent reads this data when a question needs it, for example "how loaded is a pg&e substation in august", and every answer names the dataset it read.