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ISONE ISO-NE Generation by Fuel Category

ISO-NE generation in megawatts by fuel category across five-minute operating intervals, with a marginal-fuel flag.

Published by ISO-NE Web Services (opens in a new tab)Cadence: ISO-NE source publicationGenerationISO-NE market
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About this data

Each row gives generation for one fuel category in a five-minute operating interval, along with a flag for the marginal fuel, as published through ISO-NE Web Services. It is the New England fuel mix at its native resolution, and the marginal flag shows which fuel was setting the price.

What people use it for

  • See New England's fuel mix at five-minute detail
  • Find the marginal fuel in each interval
  • Track gas, nuclear and renewables in ISO-NE

TermsLocational marginal pricing (LMP)

Where to use it

In Ask the Grid

Ask about it, see it live

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

ISO-NE market

In ATG Data

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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

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Questions

Which data provider has ISONE ISO-NE Generation by Fuel Category data?
Ask the Grid has it, from ISO-NE Web Services. 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 ISONE ISO-NE Generation by Fuel Category come from?
It comes from ISO-NE Web Services. This page links to the original publication, so any value can be checked against it.
How do I download or query ISONE ISO-NE Generation by Fuel Category?
Open the iso_ne.fuel_mix 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 ISONE ISO-NE Generation by Fuel Category in plain English?
Yes. The grid agent reads this data when a question needs it, for example "what is iso-ne's fuel mix right now", and every answer names the dataset it read.